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How to burp a silverado cooling system

3. 1968 Torino Sports Roof GT, (still a 390/C6, 416 Solid Lifter, 4spd - sitting. if you understand what I am saying here the light bulb will go on in your mind. Rev it up a bit to get the water burping your cooling system. ) Slowly pour fresh 50-50 premixed DEXCOOL coolant into the coolant pressure cap opening. Keep it running with the cap off, and keep adding water until the level stops dropping. Northstar engines are aluminum, split-case engines designed with a special air-cooling feature. Install the vent plug. I had done quite a lot to that car to make it nicer and to make it my own, but somewhere along the line I had fallen out of love with it. That is the smaller hose that comes from the air intake warming flange and enters the radiator just under the overflow tank connection. The "by the book" instructions are to simply ensure that the overflow tank is filled to the proper level - air will be pushed through the tank when the engine is hot, and coolant will get sucked in to replace it as it cools. Direct the air flow to the dash middle vents. 3L V8 FlexFuel Extended Cab Pickup (4 Door) Mar 03, 2017 · In this video, 1A Auto shows you how to check and refill the engine coolant level on the 02 Chevy Suburban 🔧 List of tools used: • Anti-Freeze • Drain Pan ht With the rad cap off, allow the motor to idle. My 2004 silverado overheats replaced all componets water pump,clutch fan, thermostat, flushed radiator, still overheating, I replaced the fan clutch with a flx-292 electric fan and still overheats. Fill your radiator with coolant and don't forget your overflow bottle. Help Support My Channel: COOLING SYSTEM 4. I just got my new engine in and am having trouble burping the radiator. 6L DOHC REFILL/BURP PROCEDURE I've only included what I feel is relevant in order to refill the system properly as quickly as possible. But if there still is, the last part of the procedure will usually burp out the bubble. The car does not seem to get hot but it keeps bubbling out the overflow tank. The cooling system in your Silverado dissipates and reduces extremely high temperatures produced by the engine. I repeat this until clean hot water comes out of the system with no soap bubbles. I ALSO CHECK TO MAKE SURE THE FANS WORK BUT WHEN I START THE MOTOR AND RUN IT THE TEMP LIGHT COMES ON AFTER A FEW MINUTES BUT THE RADIATOR IS NOT GETTING HOT. com. Any leftover rust and debris from the old radiator and hoses can easily clog an otherwise brand-new radiator. what are the steps for burping the system. but if you need to burp your system this method worked for me: I filled my tank completly full with the cap off then i started my truck with the heat on and watched the coolant tank. 3. by the way I give thanks to Nov 21, 2006 · Aug 2004. If your cooling system is opened, you must make sure it is filled correctly, and all air is removed. 4 L and when the water pump belt broke cooling liquid splashed all over the windshield. This will "burp" the system of air and all you need to do is top off the radiator during the cool down and add some to the overflow tank. Start engine and let it warm up with the radiator cap off. 3L V8 Crew Cab Pickup (4 Door) Burping the Cooling System. Radiator replacement Video  26 Nov 2013 After replacing several cooling system components, I filled the cooling system and bled the air out of the system. 0L, 4. Hold the engine at 2,500 rpm for five minutes, and then allow it to idle for five minutes, topping off as needed. As said above, USE the BURP HOLE, it works. Then replace the radiator cap and turn off your car’s engine. Burp again in the morning, and should be good to go. 3l, 6. 6. Clearing air from your car's coolant system is a fairly easy task. so I have a 2003 chevy Silverado 2500 hd 6. TICO. If the thermostat sticks in the closed position, the liquid … Hi, Last weekend I decided to have a look at my cooling system as it was reading increasingly hotter each day of driving. The BEST way to fill a cooling system is with a vacuum coolant valve. When the cooling system becomes contaminated, the cooling system should be at the water pump and throttle body long enough to bleed any air out of the system. CAUTION: With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. My last drain/fill, I did with the front end on jack stands, and it worked great - no air in the system after filling and no need to burp. 0l. But there was not much air / bubbles coming out at all even after the fans had kicked in. Jul 17, 2006 · On 8/14/2018 at 11:32 AM, pgamboa said: I’ll be adding the factory TBS to mine. If air is present in the radiator it can't get out, and more coolant can't get in,(from the overflow). Air in the cooling system causes hot spots and subsequently overheating and serious engine damage. sometimes it can be difficult to burp the system. FWIW, I just did a full drain, flush and reservice of the cooling system in my 2010 V6. and small block/LS Chevrolet engines do not need any additional bleeding. It would also slow the burping process. I have burped the cooling system several times with no problem, but I always make a little bit of a mess. I have attached a photograph of the coolant system for reference. When replacing the coolant and burping the air, I filled the overflow tank to the full line, and proceeded to put the rest of the coolant through the radiator cap. Repeat the cycle until the coolant level no longer drops. 3L V6 Crew Cab Pickup (4 Door) How-to video for petcock, radiator flush and burping on a 2007 Chevrolet Silverado 1500 Classic LS 4. Feb 05, 2016 · This is an easy way to allow the burping of your radiator system to get rid of the air pockets in your system after working or replacing a part. com > Cars > Auto Repair > Do It Yourself Auto Repair How to Burp Your Car's Cooling System. keep the cap close to the rad so as you can recap ityou will see at first start-up the coolant will go down and wait for about 15~20 Seconds then add some coolant almost to the top . 6L Duramax Diesel' started by ncfirefighter46, Jan 5, 2008. 2003 Chevrolet Silverado cooling system problems with 7 complaints from Silverado owners. Thanks, Cerros Engine Cooling System problem of the 1997 Chevrolet Silverado 1500 18 Failure Date: 05/01/2001 Cooling system plugged up on 1997 chevy w/t 4. Thread Status: Not open for further replies. Add the same mixture in other places that hold the coolant, such as the overflow or coolant reservoir. Thus slowing down the flow. 8, 5. (Fig. Use caution while “burping” the system to avoid any contact with hot coolant. The upper radiator hose is extremely hot, the lower radiator hose is cold. Apr 6, 2008 #1. Posts. recap the rad with-in a how to get air pocket from cooling system 2 Answers I replaced water pump and t-stat - top rad hose and heater hose into water pump gets hot but the lower rad hose and rad cap are cool to touch 1995 Chevrolet C/K 1500 Cheyenne LB RWD Apr 20, 2006 · Make a trip to Taco Bell and get the Jalapeño Special to put in your radiator. Pour in 50/50 DEXcrap into that hose until the fluid escapes from the disconnected purge hose. Just a little over 50% concentration now in the truck. Amount of loss- paid Drained and refilled my cooling system earlier today. (2) Remove the cooling system bleed plug from the radiator upper hose inlet housing. Jump to Latest Follow 1 - 15 of 15 Posts. Oct 09, 2008 · Lift the hose end and fill it from there until coolant starts to overflow from the radiator neck. Optional. . Jump to Latest Follow 1 - 2 of 2 Posts. The worst complaints are overheating. Discussion Starter • #1 • Jun How to flush the coolant antifreeze in a 2007 Chevrolet Silverado 1500 Classic LS 4. I just replaced the pump on my son in law's Silverado 4. Cooling System Bleeding (a) Ensure the heater control valve is in the open position (b) Remove the cooling system bleed plug from the thermostat housing (7-9, Fig 3) (c) Continue filling the cooling system (through the coolant pressure bottle) until the coolant is level with the bleed plug opening (d) Install the cooling system bleed plug (7-9 The Chevrolet Silverado is a rugged truck that is made for a tough workload. R. It is important for the fill cap to be the highest point in the system during this. All models. You have to drain the cooling system, take the top of the shroud off, take the serpentine belt off, take the fan off, take anything else in the way off, then remove the water pump. I feel as if there is a lot of air still in the cooling system. Turn on your car and let it idle. The easiest most efficient way to burp the cooling system would be fill the radiator with coolant,keep the radiator cap off,start the car,let it idle for a 2-3 minutes and just give it a few revsyou will gradually see the air bubbles and air pockets break loose and become dispersed. This step prevents coolant from spilling uncontrolled all over your engine in the next two steps. Remove coolant cap, allow engine to get to operating temperature, turn on heater full blast and patiently wait for air to escape system. Mix only distilled water with the antifreeze. 7L. As you top up the radiator, be sure to "burp" the cooling system by firmly squeezing the radiator hoses (both upper and lower). Pour more coolant into the radiator until it is full again. 6L V8 Turbo Diesel Extended Cab Pickup (4 Door) How-to video for petcock, radiator flush and burping on a 2005 Chevrolet Silverado 2500 HD 6. ehow. If I were to do this again, I would disconnect the coolant hose splice above the left cylinder head. I have been able to get 2 1/2 gallons back into the system. I’ll first cover a system that does not use an expansion tank and just has an overflow bottle. All coolant must be added at the ever flow bottle or degas tank. If this fails you can place a vacuum gun on the cap area and pull a vacuum on the system to get all the air out. run your vehicle with the rad cap off and keep the engine running at about 1500 rpm. Slowly fill the cooling system through the upper radiator hose with a 50/50 coolant mixture until the coolant comes out the coolant air bleed hose. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Ensure that the cooling system is cold. If the thermostat sticks in the open position, it doesn’t keep the liquid in the engine long enough, so you have trouble getting your car warmed up. I've since added about a gallon and half of premixed coolant/anti freeze but Without an over flow bottle or degas tank. The worst complaints are leaking coolant, runs hot. Well, I got the Northstar back in moms car. Have the blower fan on low. I would have the whole cooling system flushed and see if any more crap comes out. Never remove the radiator/t filler cap. Question, once the air bubbles had stopped, the left fan would come on, and the level would drop 4 inches in the radiator/thermostat housing neck. To bleed the cooling system: Fill the expansion bottle with a mixture of coolant and water. Mustang Forums. The 2005 Silverado's radiator does not  18 Feb 2020 Many hybrid vehicles have a separate electric coolant pump that needs to be turned on to help bleed the cooling system. Coolant system failure can eventually cause major engine damage as running the truck hot can lead to head gasket failure or loss of power eventually causing the motor to stop running. It has a 5. However, I have worked on many VW's and some Audi's, I even used to own a Passat (which we all know is just a bigger Jetta). Ok guys I need some help here. In this Diagnostic  Chevrolet Sonic Repair Manual: Cooling System Draining and Filling Remove the coolant pressure cap from the radiator surge tank. When the t-stat opens, coolant/air will "burp" out the top of the rad. No movement on the temp gauge, no heat. Perform this with the climate control on HOT. Usually there is no problem with air pockets filling it the way I described. tybardy everyone needs a Hoe. How to Burp Your Car's Cooling System ' eHow www. Install the cooling system pressure cap. Burping your cooling system, OEM style: If you have an OEM, non modified cooling system, it will take you longer to burp your system, and it will be messier, than with post production modifications, but it will be just as effective. Burping the Cooling System Discussion in 'How-To' started by brkntrxn, Apr 6, 2008. With a hole in the stat it'll slowly bleed any air pockets as you let the cooling system settle. Then you open the valve on a small hose that's inserted in your bucket of coolant. Start the engine. Without trailering pkg. 0L, 5. start car. Burped, burped, and burped, but cannot get my 1994 toyota 4x4 6 cyl. Probably wouldn't hurt to just flush system good, put in new thermostats and cooler cap and burp air out good. If coolant level runs too low, it will pull air into the cooling system, thus defeating the goal of filling to the proper level. You want to take good care of your truck. Jun 05, 2017 · Hi all ~ Is there an easy way to burp out air that may be in the coolant system? I'm having an issue w/ overheating. Book says run at 2000-2500 rpm until at temp, then an additional 5 minutes at that rpm. The overflow tank would be full and the radiator would be empty. Using the hose clamp tool, position the radiator hose clamp into the original position on the hose. with the cap off you can see the This instructable will walk you through the simple process of "burping" or getting all of the trapped air out of your cars cooling system. The Silverado Vortec engines use a pressurized expansion tank, so that is where the pressure tester will be attached to the system. Re-attach the clip to the bottom of the bottle, and line the unit back over the housing unit, so that it is aligned with where the bolts are fastened into place. Being the BDR only has the overflow tank to fill by, there must be a trick to this that I am not getting. Why does my car keep running hot despite its new  Chevrolet recommends draining and refilling the cooling system every five years or 150,000 miles, whichever comes first. Jan 5, 2008 at 9:04 PM #1. and was wondering how to burp the cooling system. Jan 27, 2012 · Simply jacking up the front end of your vehicle lifts your radiator to a point that is higher than the rest of the cooling system. The primary fan does go on when I turn the AC on. B. Tighten the bleeder valve with the 5/16-inch line wrench. If I squeeze the top radiator hose, I still feel pockets of air in there. ► Show Full Signature May 07, 2011 · I have a 2003 Mitsubishi Eclipse 2. Jan 10, 2019 · I had to replace the water pump on the LS. I filled the resevoir up to normal, but do I now need to burp or bleed the cooling system? After the alternator replacement, the car started poorly, and the temp gauge pegs high immediately, and the CEL came on. Hopefully changing the fuel filter solves the starting issue. 4-liter six-cylinder engine or a 3. small block chevy cooling system but I find it odd that on the 5. Tahoe, Yukon. 5/7 fan blade. How to flush the coolant antifreeze in a 2006 Chevrolet Silverado 1500 LS 5. Allow the engine to continue to idle until all the air is purged from the cooling system and where nothing but coolant comes out. Jun 10, 2015 · This article applies to the Chevrolet Silverado GMT900 (2007-2013). I am doing this because I am not getting hot air from my heater after replacing my heater hoses, radiator hoses, radiator cap, thermostat (a few times) and my heater core. to bleed coolant system first fill coolant system until The cooling system is a blend of the two powertrains: radiator and all engine components from the 535i, expansion tank and heater core from the stock 325i chassis. Add coolant in the radiator. You shouldn't have to burp a 5. It sat for six months under m I tried to "burp" the system, the blend door and actuator work, and I'm not sure how hot the hoses on the heater core are supposed to get, or if I am supposed to be feeling the rubber, or metal, but it feels at least warm to the touch. You fill the radiator to overflow, put the cap on and any trapped air will work its way out through the coolant recovery bottle as you go through several Feb 05, 2016 · This is an easy way to allow the burping of your radiator system to get rid of the air pockets in your system after working or replacing a part. Thanks. Step 1 Open the Silverado's hood and loosen the coolant reservoir cap until you hear a hissing sound. connect radiator-reservoir line to overflow line. Jump to Latest Follow 1 - 10 of 10 Posts. I ran the engine for 5 The 2011 Chevrolet Silverado has 1 NHTSA complaints for the engine and engine cooling at 44,000 miles average. fill reservoir. Check the heater core hoses on the firewall after the engine is hot. I like to rev it a bit and hold it around 2000rpm for a little bit to get the coolant flowing. Refer to Approximate Fluid Capacities . Feb 16, 2012 · The procedure to burp the system is the same as if there was a radiator cap on the radiator. It overheats, and there doesn't appear to be flow through the cooling system. Burping Cooling System after coolant fill. With the air valve thrmostat, or even a 1/16" hole drilled in a plain one, it's not needed. It also keeps parts from freezing in the wintertime, which keeps the engine from turning over and causing serious damage. Burping an air pocket out of the radiator of a Ford Escape can take a little bit of effort, but you will notice improved vehicle function immediately. Upon inspection, I noticed the Radiator cap isn't on the radiator at all, it's near the middle of the engine on the passenger side, so this threw me for a bit of a loop. Hey YouTube. pop the radiater cap off and let the van engine run for 30 minutes. In the 13 years I have been driving and fixing my Mustang, I have never had to burp the cooling system. Now bike seems to be running slightly hotter than usual. While on the bike, gently lean the bike left and right, then pump the front and bounce on the seat to get the remaining trapped bubbles out. All engines 4. if not more air will be introduced into the system. May 12, 2004 · How to "burp" coolant system If this is your first visit, be sure to check out the FAQ by clicking the link above. Step 1 - Mix Water and Antifreeze Make a mixture of one part water and one part antifreeze. I am very familiar with the orig. I had similar issues with the HX looking full and then dropping down after running the car How to Burp Your Car's Cooling System ' eHow www. Leave the filler cap on loosely, rev the engine The coolant will sputter and burp. I understand that it is a self purging cooling system?. Had to put in a new radiator and I want to make sure all the air is out of the system. Ok I just checked. To prevent serious engine damage, take a few minutes to bleed the cooling system of air. Pick up a pair of diagonal snips and cut the pin off. Never had a problem doing it that way. 25 Jul 2018 Learn how to change the coolant in your C4 Corvette. Have the heat selected full on. Idle for 5 minutes, as you add more coolant, run it up again for 5 more minutes. Pressurizing the cooling system quickly isolates leaks, since the coolant will bubble or spray out from the affected area. Now if I can just get the car to start reliably so I can burp the cooling system, I'll be able to see if it overheats. You need a floor jack, a set of jack stands, a helper and some extra premixed 50-50 coolant that is compatible with your vehicle. Jul 03, 2020 · How do I burp the cooling system on '15 GM V6 by cos - 07/03/20 12:48 AM RAM about to pass Silverado sales by gfh77665 - 07/02/20 07:49 PM Puffer Fish and Skate 2006 Silverado 2500HD LBZ CC SB It to is part of the cooling system. The thermostat is an object in the flow. Now you will see the bleeder valve - lift up the metal tab so it is vertical. Start the cold engine with the rad cap off, heater on hot, and allow it to come up to operating temp. you can never burp the system. With the car running, squeeze the upper radiator hose every now and then to get some air out. Personally, I just run the engine up to operating temp with the rad cap off to get rid of the air bubbles. Jan 04, 2008 · Pull of the purge line from the radiator. THE HARD WAY : Let's face it, burping trapped air from the head of a 4. No heat. A fan clutch works by tightening up and pulling more air through the radiator as the cooling system heats up. I agree with Machster i doubt youll have to burp your coolant system since you just cleaned your TB. The worst complaints are engine and engine cooling:cooling system. The thermostat has been replaced 3 times now. Sep 28, 2017 · But if the cooling system is loosing antifreeze over and over again then you have a radiator leak or a leak somewhere in the cooling system. May 10, 2019 · Partially drain the cooling system, or perform a coolant flush, if it is due. Oct 22, 2018 · Step-by-step video showing how to "burp" cooling system, and remove all trapped air from within radiator and cooling system. We're using the special funnel to show you how much air actually comes out of the system when you do this, but any old funnel will do at home. Let the car fully warm up. Aug 14, 2007 · When you install the thermostat, drill an 1/8" bleed hole or two on the outer ring, then follow the upper hose burp method above. Replace the cap. 2004 GMC Canyon - DD/toy hauler 1 Oct 2004 a lot of air in the cooling system and then burpped it again a week later You might want to try a lower temp. As noted, after driving the vehicle to a complete normal operating temp, check the recovery tank the next day and top off. watch coolant level, top off to top of neck. They have all been put in boiling water, and they all opened. 3 in it. Lol. Here's the part # Lisle 24680 - Spill Free Funnel. 5 liter. then bleed coolant system, this is how you do it. Joined Jan 22, 2017 · 3 Posts . I just filled up the reservoir tank with 50/50 mix and drove it a few days and it burped itself with some driving. Jun 08, 2009 · I'm doing some reading on the cooling system for the M103 here and many people are suggesting burping the system after a coolant flush? it's slightly PeachParts Mercedes-Benz Forum How to burp cooling system in M103? Dec 15, 2008 · I own a 2001 Chevy silverado 1500, I just changed the antifreeze in the cooling system, and the heater does not work, Someone said their might be an air pocket in it so take out the plug by the thermostat with the cap off the overflow tank and let the engine run until the coolant comes out of the plug hole, to no avail, it still does not have any heat. Continue to add coolant until a steady stream of coolant is expelled from the vacuum tubing. 3L, without rear ac. Disconnect the upper radiator hose from the radiator. Opened the bleeder until I got consistent water coming out. Basically no need to actually burp the system unless you have a T-bird and no expansion tank. Steps: cold car, remove radiator cap. * You WANT your engine as hot as possible. Top up the Jan 24, 2019 · First, make sure the engine and radiator are cool. fill the cooling coolant system with 50 / 50 dexcool and water to raise boiling point,straight water will evaporate boil away cause engine to overheat catch fire thats why you need 50 / 50 mixture antifreeze and water. Burping the coolant Discussion in ' I did this a few times but still seems to have air in the system Jan 12, 2011 at 4:27 PM #2. For many people, this method is quite similar to the way we bring our kid to bed after hearing his burp. It will absolutely be a restriction. Jun 26, 2015 · Chevrolet Silverado 1999-2006: How to Replace Thermostat and Housing. Set the cabin heater temperature to as hot as it will go so that the coolant goes all the way through the system including the heater matrix, fill the coolant up to the max mark, keep the lid off the coolant bottle, start the engine, and let it idle to full temp, but keep an eye on the coolant level in case it requires topping up. Once the car warms up, run it for about 10–15 min, and keep squeezing the upper hose every few minutes. Joined Jan 12, 2011 · 59 Posts . Apr 23, 2020 · The first step of any cooling system overhaul should always be a complete coolant flush. Removal of the surge tank cap, while the cooling system is hot and under high pressure, causes the solution to boil instantaneously with explosive force. Are you sure you do not nave an HVAC system problem. RE: Filling system only other thing you can do to help get all the air out is find a way to get just the nose up cause the air is going to want to get to the highest part of the system with heat on high so that coolant pushes air out of heater core and out of rest of system as well into the radiator. By following these three easy steps, you will be able to "burp" your car's vehicle coolant system in no time. Joined Jan 13, 2007 · 20 Posts . Many times I will help "burp" the upper rad hose. Then you will need to see where the gunk is coming from. Re: Any way to bleed cooling system? 03-30-05 05:13 PM - Post# 662586 In response to drolds72 The 'hole in the flange' idea has been thrown around here before and it seems to work. Discussion Starter The 2003 Chevrolet Impala was made with either a 3. The spill free funnel is not a  3 Mar 2017 Where's the market that says the coolant is topped off?! Read more. I'd transfer coolant back into the radiator to fill it up and get the level in the overflow to get between the lines. Fill your vehicle with a 50-50 mix of Dex-Cool coolant. Apr 07, 2006 · One thing that helped burp the system was drilling a small hole in the rim of the thermostat. This video shows how I did it on my HHR, 15 Dec 2019 This video shows how to burp the cooling system on GM trucks (and many other cars as well. I need any ideas of how to get the air out please. Flushing the system, a new radiator, changing the thermostat, replacing a hose, a new water pump or any leak can lead to air entering your system. Sep 10, 2010 · Just flush with plain water 3 or 4 times, drain and add your 50% dex to your cooling system. I poured the coolant into the intake manifold ( thermostat housing area) and it filled up the radiator halfway, I stopped pouring before the coolant reached the top of the thermostat housing. 2L (no turbo) with a perplexing cooling problem. I would pull over and let it cool off and then try to head home again. Pour it into the radiator, filing it up to the rim. Nov 05, 2013 · Run the motor for 15 minutes with the radiator cap off and the climate control set to the hottest setting. and it looked "stable" (some bubbles). Feb 19, 2011 · Burping the Cooling System A couple of times now, the coolant temp my 06 VHO would blast up to the 240 range. recap. When I unplugged the temp sensor, both fans came on. Here is a guide to check just in case. You will most likely need to let the car completely cool off between burps, with radiator cap off. The cooling system is responsible for transferring the heat created within the engine during combustion to the atmosphere. The car has ran a total of 25-30 min today. So far I've been able to access: 1. I HAVE REMOVED THE COVER ON THE WATER PUMP AND MADE SURE IT WAS SPINNING. Nov 20, 2008 · if there is no radiator cap then you just have to make sure the overflow tank is the HIGHEST point in the cooling system. 1996 - 2004 SN95 Mustang -General/Talk-SN95 4. There will be a small cotter pin or similar pin sticking through a hole in the thermostat body, which works like a check valve in the air bleed hole. 8-liter six-cylinder engine. is it the small metal 22 Feb 2018 After draining the coolant system, you have to remove all the air or overheating may occur. to stop over heating. Burping a rad is to get air out of the system, having air in the coolant system negatively impacts its performance. Radiators operate by pushing hot water from the engine block through hoses that allow the heat from the water coolant to dispel. Thread starter LaserSVT; Start date Aug 19, 2007; Forums. do the same with the upper hose gently or coolant will gush out. Back into the driveway radiator on the downhill side. 5. The system is the type which has the radiator cap on the radiator and a separate overflow tank. Avalanche. Once the hissing stops, remove the cap from the coolant reservoir tank. Jul 12, 2012 · On 1/13/2020 at 8:19 PM, Jeff said: Saturday, I said goodbye to my 2018 Charger after only two years of ownership and 9400 miles. 3 & 6. I just replaced the water pump, coolant fan, and the thermostat. Make sure the reservoir is at the max mark. Fill the radiator with a 1-1 ratio mixture of distilled water and antifreeze up to the bottom of the radiator neck. You would think that an easy task like Let the engine heat up and make sure the reservoir has been filled to the mark. It’s handled differently depending on whether you have a system with an overflow or expansion tank. Part of that includes flushing your cooling system and changing your coolant at 100,000 miles, but changing your coolant is an idea not without controversy. This works for ALL Vehicles If you have had any parts replaced on your cars cooling system (radiator, waterpump, new hoses, ect) then there is a chance that your cooling system has air trapped in it and this could make your cars cooling system operate Oct 17, 2012 · Re: How do I burp my coolant system? On a serious note you can slightely loosen the radiator cap while the engine is running to allow air out. 3L V6 Crew Cab Pickup (4 Door) May 13, 2010 · How to purge cooling system on a 2000 chevy silverado 1500 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Joined Feb 22, 2017 · 58 Posts . Top off the rad when the engine is cold and warm it up again. The process in this video uses a Spill-Free Funnel which can be With the engine still running, put on the cap and you should get heat. I’ve got the modules ready to go (to get programming done) along with my cluster. This means that the thermostat housing (highest point on the engine where the bleed screw and temp gauge senders are located) and the expansion tank neck are at the same height Make sure the rear of the car is not higher than the front. Hopefully this will lead to less air in the cooling system, after I drained the radiator, I attached the lower hose, and I took off the radiator cap. Discussion Starter • #1 • Mar Jul 21, 2016 · The entire idea is to distribute the heat throughout the cooling system, mainly the radiator, to *reduce heat in that system. This sounds like a PITA, but leaving air in your cooling system is worse. The radiator was recored two years ago and I have done the water pump efficiency test - all with good results. I AM TOLD YOU HAVE TO BURP THE Jun 19, 2015 · Tuck the new bottle into place and attach the hose. Rustyx · Registered. As the fluid level drops, keep adding coolant. Stamped #jds,aat,can,ajr. I was wondering if anyone k ew how to fix a airlocked cooling system on a 2000 NBS silverado. I believe it's coming from the fresh water side of the system as the coolant/antifreeze was empty. 5 gallons of fluid drained. Dec 10, 2011 · No bleeder valves. burp the cooling system??? Discussion in '6. Jan 06, 2008 · How to "burp" the cooling system? I would use the search button, but Nick has taken it down again. Allow your cooling system to drain and then close the drain on the radiator. Make sure the engine is completely cool before attempting to open the cooling system. 3 less than a month ago and that's how we did it. i think i know where to burp it from. How to Replace Thermostat and Housing 1A Auto Parts The thermostat regulates the engine's operating temperature. There are those, including hose  The coolant is then sent back to the engine block to repeat the cooling cycle. It used to be that you could replace a factory 195 degree What you want to do is get the major air pockets out and get the radiator full enough that the engine stays at normal temp (no overheating IOW). 3L V8 Crew Cab Pickup (4 Door) How-to video for petcock, radiator flush and burping on a 2006 Chevrolet Silverado 1500 LS 5. This will allow any trapped air in the cooling system to come out through the radiator cap. I changed the thermostats this morning, drained the cooling system, filled with water. Discussion Starter • #1 • Jan 22 4. Idle and keep filling until you hit the top of the bottle, keep going slowly until 1/3 goes into the surge tank. Mar 13, 2010 · I haven't refill a 2004 Silverado but it should be straight forward fill the radiator and expansion tank with approved coolant, turn on the heater valve to full hot to get circulation through the heater core, open cooling system bleed screws if applicable, burp the coolant hose (ie squeeze the lower hose as you fill the cooling system to purge air and start the engine. 6L Mustang Tech LaserSVT Cooling system burp the system Remove radiator cap fill radiator until coolant about to top wait few minutes until coolant level stop dropping then start engine until letr idle,watch coolant level in radiator add more coolant if level drop,when coolant level stop dropping. That is the reason for the hot and cold marks in the tank. #2 Some coolant will spew out. Either clean the cap or replace it and check that it is the CORRECT cap. As the engine heats up it pushes the air out and as it cools it will pull in coolant from the reservoir. Jump to Latest Follow 1 - 4 of 4 Posts. fill system as full as posible. Clean up gasket-ed surface, put new pump on with new gasket, bolt it up, put it all together, add coolant and burp the cooling system. Only remove the radiator's pressure cap when the engine is cold. Remove the radiator cap and fill the main system with coolant through the radiator opening until it will take no more and there is a trickle of coolant from the heater bleed screw. Usually all i do to burp the system is i jack up the front corner of the car and all the air just goes to the top corner, then i just keep filling till it is full, then put the car down and go. Since I didn't know how much I got out of the system, I started with 3 gals straight Dex, then added water till full. How to flush the coolant antifreeze in a 2005 Chevrolet Silverado 2500 HD 6. Keep the cap off. You may need to “burp” your cooling system by leaving the radiator partly full, parking the car on a hill and idling the motor with the radiator cap open. It will definitely burp then. Jul 03, 2008 · Refill the coolant to the cooling system. The radiator needs to be filled to the very top. 3 LM1 the thermostat is on lower radiator hose (cool side?) where on the orig. Jul 24, 2015 · Step 3 – Pressure testing the cooling system. CAUTION: Failure to purge air from the cooling system can result in an overheating condition and severe engine damage. Here was someone's remarks on Burping the System: "try burping the coolant system by opening the rad cap when it is cold and start her up. the whole idea of burping it is to open the system at the highest point so that the air can rise up to the top. 2l. 12 – A Bad Fan Clutch Will Spin but not Pull Air Through the Radiator. 4. 8L, auto trans. Connect the upper radiator hose to the radiator. When the cooling fans have cycled on and off three times (keep the coolant level topped), then cap the coolant ball, and shut the engine off. Worked everytime including 2 weeks ago on my new motor install. Reinstall the thermostat, close it up, fill the radiator and fire the engine up. The rad should still NOT be topped off. Leslie makes a funnel that helps in bleeding your cooling system, it works well if it fits your radiator. thermostat if the burp does not  FORD 4. Turn your heater control to hot. I made this video some time back on the procedure for bleeding a cooling system on a 90s Honda Accord. 6L V8 Turbo Diesel Extended Cab Pickup (4 Door) How to flush the coolant antifreeze in a 2014 Chevrolet Silverado 1500 LT 5. Find out how to access AutoZone's HVAC Systems Repair Guide for Avalanche, Sierra, Silverado, C&K Series, 1999-2005. 3l, 4. also once system is initially filled. Fill again with water from the hose and when full drive for 5 minutes or so drain. Check your owner's manual for the location of these relays and fuses. Remove teh cover off the top of the water\oil filler tray - remove both caps and it should pop right off. CumminsBlue59 · Registered. My cooling system has a lot of air in the system and im having trouble burping all of it out my temp. Open the bleeder valve while refilling (or topping off) the cooling system. Coolant mixed with water in typically a 50/50 mix, circulates through the engine, absorbs heat, and flows to the radiator via the water pump and cooling passages to shed the heat. I used this bottle bit 2 two litter bottles works well by cutting off both bottoms and taped together works well. 3 v6 dexcool took to dealer- flushed system- ruined truck (used coolant with gasoline from that point forward had to refill coolant constantly) I gave up on truck and traded it in. Feb 23, 2015 · Start the engine, and let it run warming the cooling system and filling the coolant ball if the coolant level drops. When burping. I though it might be the pressure cap but that wasn't it so the only two things I have left are air locked and thermostat. I am having problems getting the air out of the cooling system after flushing the system. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. thanks everyone 1998 Chevrolet Silverado cooling system problems with 1 complaints from Silverado owners. I apologize for the length, but I don't want to leave any detail that can help diagnose the issue out. 3L V8 FlexFuel Crew Cab Pickup How-to video for petcock, radiator flush and burping on a 2014 Chevrolet Silverado 1500 LT 5. CBR · Registered. Nov 20, 2015 · A radiator is the cooling system in a vehicle. Engine Coolant Air Bleed Hose Replacement Callout Component Name 1 Engine Coolant Air Bleed   Noting really happens but here is a good one probably u guys know it already just to bleed it fast turn ur car on after u do whatever u did with ur cooling system   For a cooling system to function properly it needs several things: proper coolant Vehicles that were notorious for overheating include Chevrolet Vegas and After topping off the system, and burping it, if necessary, a pressure test is the next  21 Jul 2016 Allow time for the thermostat to open and for the engine to burp any stray air pockets. this will burp out any air in the cooling system and your engine will not overheat then. ) Dec 03, 2008 · still waiting to hear from the shop that did the engine work a few of the guys are telling me to burp the system. Fan Shroud. I removed about 3 1/2 to 4 gallons of coolant. Keep Pretty much as it sounds. drive car. ncfirefighter46 Actually, you jack the front end up, open the bleeder screw and put water in until it comes out the bleeder, then tighten the bleeder. By jacking the radiator higher than the bleeder, all air will go to the top of the radiator. There are 2-3 modules, programming, and wiring. Reply How to Burp Your Car's Cooling System: This instructable will walk you through the simple process of "burping" or getting all of the trapped air out of your cars  Fill the rad hose filler under the pressure cap with Dexcool, right to the top, with the heater on high to open the heater core up to the cooling system. I most likely have a air i flushed the cooling system, removed the thermostat, and refilled the radiator. So when the mechanic put a new water pump belt, he also put more coolant. it is not a given that "german engineering" designed the expansion tank as the SOURCE: burp radiator Physically look in the radiator under the cap(if one exsist's) when cool, for coolant level, and check the valve in the cap for sticking. You may have to register before you can post: click the register link above to proceed. Close the screw. Mar 29, 2014 · Help, air in my cooling system? mirandam82 posted a topic in 1999-2013 Silverado & Sierra 1500 I don't know if I am posting this in the correct place but I need help that i cannot find anywhere, I am working on getting some general upkeep done on my 2000 Blazer LS before taking a long drive from Louisiana to Ohio, a couple of days ago I went to Dec 09, 2006 · Hi. Quickly unscrew and remove the funnel, top off the coolant and reinstall the crossover  26 Apr 2018 Slowly fill the cooling system with a 50/50 coolant mixture until the coolant level is visible and stable. However, the car overheats slightly when you drive it for say 10 minutes, and the temp gauge goes between the middle and the H, then goes down a bit, and back up again. 2003 chevy silverado 2500 hd coolant leak 2 Answers. Feb 28, 2007 · All the air bubbles and pockets will work themselves out. Remove the radiator cap and fill it to the recommended level with a 50/50 mixture of antifreeze and water. It's better to do this when the car is warm and the thermostat is open, thus allowing the water to circulate. Without hd cooling. Start with a cold engine. how to get air pocket from cooling system 2 Answers I replaced water pump and t-stat - top rad hose and heater hose into water pump gets hot but the lower rad hose and rad cap are cool to touch 1995 Chevrolet C/K 1500 Cheyenne LB RWD Anyone have wisdom on how to best burp cooling system after a coolant change? I drained 2L out, but could add only 1. 2008 Chevrolet Silverado cooling system problems with 1 complaints from Silverado owners. So, might as well let it sit overnight after a few burps. 11)Fill system Jan 02, 2014 · Take the cap off and start the truck,Make sure your heater is on high. Close the valve when what comes out of it is more coolant than bubbles. You are supposed to use the 'burping' screw on the thermostat cover, but I did not. ncfirefighter46 Burping air from a closed cooling system. I'm having overheating problems and want to get this issue resolved. This indicates that the thermostat is open. Fill the cooling system with a 50-50 mix of Dex-cool coolant and distilled water. try turning the heater on high in the defrost position. all i did was add anti freeze ran it for awhile added some more. I start the engine, turn the heater on and let the car come up to temp. 6L DOHC REFILL/BURP PROCEDURE This procedure is based on a collaboration of information from the forums, the Ford TSB and personal experience. There’s a reason they hire us to design engines and cooling systems. Travis · Registered. But the engine temperature goes to high over 220 and the fans never come on. How-to tips. The following are a few car maintenance tips on bleeding power steering systems from the service manual and the miracle of the Internet. Burping cooling system - 1994 Toyota Pickup Maybe there is more of it in your cooling system that is slowing the flow of coolant. AutoZone's Repair Guides tell you what you need to know to do the job right. the line is steel a Jan 26, 2014 · If the engine cooling system overheats and pushes coolant into the overflow side of the coolant bottle, this coolant will be sucked back into the cooling system ONLY IF THE PRESSURE CAP IS LEFT ON THE BOTTLE. To burp a cooling system the thermostat must be open, and the system must be hot and fluid pumping through it. "Burping" the cooling system in your Toyota refers to bleeding the cooling system and is necessary if air has entered the system. Disconnect vice grip and squeeze clamp back into place, which is over the hose and over the bottle neck entrance. Is there a way to bleed the air from the cooling system on my 1998 subaru outback 2. Gauge keeps going up and cools down very fast if I shut my car off any ideas? Also when I was driving earlier my upper hose was swelling an excess of about 3 or 4 inches it was double the original size need help fast thanks If your vehicle has been overheating or doesn’t warm up properly, you may need to replace your thermostat. Troubleshooting your coolant system, when the problems are Apr 14, 2020 · FORD 4. I think I've got an air bubble or two in the system and I was curious as to the proper method of burping the air bubbles out of the system. 9 because the cap is the highest point. resendiz Hi I have this truck 08 silverado fans are working fine if I turn ac on or if I use the scanner and activate them. Remove the screwdriver and reinstall the hose clamp. Came back, opened the bleeder, got lots of water/air mixture out for a few minutes. Used as a header tank for burping my coolant system when I replaced my radiator and had to refill the cooling system with fresh antifreeze. Mine had air in the cooling system (could hear "gurgling" in the dash) and a very low coolant reservoir tank. NOTE: For best results, place the coolant supply at the same height of Radneck adapter. Cooling system Bleeding/Burping. This will help force air pockets closed and dissipate air bubbles into the atmosphere. The temp gauge would shot up after about 40 miles of highway driving. There was however a fair bit of steam coming out, also the temp gauge was sitting on the second line, closer to hot, whereas it used to sit only on the first line. 0L in-line six cylinder is an easy way to burn your hands or get scalded when ya remove the temperature gauge sender on the head of a hot engine. You should see no new bubbles. It seems that after the reservoir is pretty much filled and the crossover tube is filled up for the first time, while the engine is running all is well until it gets too about 185 degrees/operating temp. Then when you put the cap on, any further expansion and minor air burping should go out into the plastic overflow tank. Same process. Thanks again. The procedure is as follows: My dad has a 1993 Subaru Legacy L 2. A bit pricey for something that technical only serves one single purpose although it does come with a variety of adapters and is a very, very clean way of doing a top up, full coolant refill or for burping. Take off the radiator's cap and add a mixture of 50 percent water and 50 percent coolant in the radiator. It is designed to transfer heat from the hot coolant that flows through it to the air blown through it by the fan. The fan should come on. 7L ENGINE (1) Tighten the radiator draincock and the cylinder block drain plug(s) (if removed). Jul 29, 2012 · Heating system is not working. Aug 09, 2019 · Never had any system burping issues. Once you do that, add a little extra coolant to the reservoir and keep an eye on it for a few miles until all of the air gets out of the system. I just flushed my system and the way I burped was after you refill with coolant run car wait for thermostat to open (level to go down, Cap off) then turn off car,reach down and squeeze lower radiator hose,You will see air bubbles come out of radiator fill hole. I have an 89 2. 21 Feb 2018 A full coolant level will show the coolant at the bottom of the radiator surge tank fill Duramax Diesel Cooling System Pressure Test Adapter  Engine Cooling System Vacuum Purge & Refill Kit Set Universal Pro Tools for about 20 years and it always was challenging for me to burp the coolant system. If more comes out. 3L V8 FlexFuel Extended Cab Pickup (4 Door) How-to video for petcock, radiator flush and burping on a 2004 Chevrolet Silverado 1500 LS 5. Ran the truck, drove a short distance. I think my FJ needs to burp!! If you are not getting heat now, it's because you have an air lock in the system. 3L Mustang LX and need information on how to properly "burp" or "bleed" my cooling system. The Cadillac division of GM made use of the Northstar engine in several of their models. Free shipping on many items | Browse your favorite brands | affordable prices. Yukon XL, Suburban. Or rent an air lift tool and vacuum fill the cooling system which is what I do Mine is from snap on RADKITPLUSA is the tool # No burping . It is very important for the next several days (several heat/cool cycles) to check coolant level in the rad (motor COLD) and the bottle. never burp it. The whole system yielded about 1. This would raise engine temp even if your fan is working. 0L that I currently have an issue with a coolant leak. This means  Cooling systems can be an engine installer's greatest enemy, especially if they do thermostats that have bleed holes in them allow for continuous air bleeding. Do any of you have any suggestion of what might be the cause of this problem. Rad should be full to the top (motor COLD). 3L. Sep 15, 2014 · Pull out your thermostat. Oct 01, 2016 · While the engine is idling, loosen the upper radiator hose clamp and slip a small flat bladed screwdriver in between the radiator hose and hose neck on the radiator. What the best way to burp the remaining air from the block. Once I have the time. Stop loosening the cap until the hissing sound stops. Install a new rad cap. Best of luck. This article applies to the I never "burp" engines. Show less. 3L V8 FlexFuel Crew Cab Pickup In essence, you want to "burp" your cooling system to remove the trapped air. Joined Nov 18, 2011 · 98 Posts . BigKahuna · Registered. it will eventually 'Burp', and you can just top off the system at that point, should be Any opening of the cooling system can cause an air pocket. Jan 22, 2017 · Burp Air Out Of Cooling System. If not, then let the system cool and then remove the cap and run the engine again. (25 mm) above the top level line. feel top 2000 Jeep Cherokee 2WD Jun 02, 2005 · Fill the engine cooling system with 50/50 mixture of water and engine coolant E2FZ-19549-AA (in Oregon F5FZ-19549-CC, in Canada CXC-10) meeting Ford Specification ESE-M97B44-A. afterwards, fill the radiater back up It'll burp itself. Just fill until the fluid level gets between the lines on the ball, start the car and keep squeezing that hose that runs from the head to the radiator. In response to MIKE, it is true for most cars that the cap is not the highest point. small block the thermostat is on upper hose (hot side). Please note that just taking the cap Jul 26, 2008 · In replacing the alternator in our 94 850 NA, I dumped about a pint of coolant in removing the upper radiator hose. Just wanted to stop in and show you guys how to get heat back in the car if you've had to change your radiator or after a radiator coolant flus How To Use A Spill Free Funnel to burp your radiator Lisle 24610 Spill-Free Funnel cost $24 shipped on ebay. If you have a digital multimeter you can check the fans themselves by unplugging the the fan connector and testing between the two pins on the cooling fan. Have have seen where people will lift the rear of the car or the front up about 2 feet while burping to help get the air out but it could be pumped into the coolant system by a blown head gasket. I just fill the system with pre-mixed 70/30 antifreeze/water (this takes in account for the water left in the system) and leave the cap off. Aug 19, 2007 · Cooling system burp. Be sure to fill both the coolant or overflow reservoir with the same water and antifreeze mixture. replace thermostat. The heater core will not drain well nor easily bleed air since the hoses run above the back end of the engine. Tighten bleeder screw, lower front end,top off, install cap and your done. Your heater must be on hot and venting hot air. Seems to me if you have air, then only half burp it out, seal it up and drive it that the air pockets work up again and recause the same problems. 27 Apr 2007 Any how-to's to drain and re-fill and bleed the cooling system? ▻ Show Full Signature. All bleeder valves must be opened to release air from any high point in the cooling system and then shut securely. I know with my old toyota I just drove around for a while with the cap off so it could burp the air out. 1,343. The fresher the coolant the less corrosion will build up in the system, and the for the particular vehicle to find if there are any bleed screws in the system to aid   11 Nov 2018 Can't burp your cooling system? Here's how to There isn't a way to purge air from the system without burping the coolant hoses. Sep 06, 2007 · For the record, a V-8's cooling system is the most forgotten and neglected part of any hot rod. Start the engine and keep the coolant level topped off. 2. How to flush the coolant antifreeze in a 2004 Chevrolet Silverado 1500 LS 5. *You may need to repeat this process a few times depending on how well you've burped the car, and how much air is in the cooling system. Using this tool, a vacuum is drawn on the system. If your coolant is premixed, additional water will not be necessary. Silverado, sierra. Prepare a fresh bottle of coolant that you will need to add to the car's cooling system. You should not need to burp the radiator. Remove the radiator cap. The only thing I ever did was to make sure the overflow tank had coolant in it and the cooling system didn't have any leaks. The cost Factor along with the amount of work needed makes i Bleeding a cooling system is fairly simple. Also jack the drivers side of the car way up so the highest point in the entire system is the rad opening. 1966 F100 410, 3-speed. Or you could watch this on You Tube. I filled that new DEX-cool and let it warm up as to "burp" the air out when thermostat opens. Could you guys give me a hand on the instructions for burping the air out of the cooling system on the BDR. You should also check the fan relays and the fan fuses. Any suggestions/tricks for the proper way to "burp" cooling system when the block has been drained? It seems to me that the water jackets in the cylinder head are empty until the thermostat opens after a complete draining of the system at the block drain? I have seen the temp gauge get dangerously close to the red during this period. Top off the cooling system until full. I recently had to replace my thermostat so i had to burp my coolant system. Drove it again. Step 1 Fill the radiator with a 50/50 mixture of coolant and water. After this happened first I tried running some coolant flush through the cooling system. When servicing the vehicle, it is extremely important to understand that the process to refill a Northstar cooling system is different May 12, 2017 · Method 1: Burp the coolant system. I'm assuming that you do not have an aftermarket flush kit on your cooling system. 2008 silverado cooling fans not working was created by romeo. Also seems as though our cooling system capacity is a little over 4 gallons. No Anti-Collapse Spring. I turned the heater on, left the radiator cap off to burp the system. Oct 02, 2016 · Burping the V6 radiator I swapped in place of my 4cyl one. 8L engines After filling the engine cooling system, add coolant to the vent until full. Run the engine, with the radiator cap removed, until the radiator upper hose becomes hot. Get the best deals on Cooling System Hoses & Clamps for 2006 Chevrolet Silverado 2500 HD when you shop the largest online selection at eBay. it will burp itself of any air in the system. Truck doesn't have a drain valve. 8l, 5. If you are living in any areas near a mountain, take out your car for a mountain driving and then park it on a slope or an inclined ground. I need to burp my system as I have installed a Koyo radiator. I then drive home the long way takes about 15 minutes with the water and the flush. You can squeeze the upper hose before loosening to get an idea of how much pressure the system is under. Any time the cooling system on either engine is serviced, air must be removed from the system or air pockets will form, affecting the efficiency of the cooling system. be carefull as hot coolant burns bad and may put you in the burn unit. Squeeze the top radiator hose until no more bubbles appear in the expansion bottle. Now let it cool  24 Jan 2019 I have a 2002 Chevy Impala. Refer to Cooling System Draining and Filling. In some machines, like the Mitsubishi Starion, the system requires bleeding the power steering beyond the usual back and forth routine. It looks to be leaking from a line coming from the top passenger side of radiator. 7. Add coolant or water too keep the rad topped off. I’ve only included what I feel is relevant in order to refill the system properly as quickly as possible. If you get no resistance, then your fan Cooling system is full when vacuum gauge reaches zero. Make sure the vehicle is level, if the filler neck is at a low point compared to rest of system it could be difficult to purge the air from system. Continue to squeeze and release the hoses to help push any errant air bubbles out of the system. Jun 12, 2019 · So I've been scouring the web looking for directions but I can't seem to find anything specific to my year truck on draining coolant, flushing the system, filling up and burping the system. Keep your Silverado's engine cooling system healthy with a new thermostat. Pour the coolant mixture into the expansion tank until it reaches 1 in. Jump to Latest Follow 1 - 11 of 11 Posts. Then open the petcock to drain the radiator. The cooling system and radiator work together to keep the engine at a safe  15 Feb 2018 When you have a faulty thermostat it can damage your engine and other mechanisms of the cooling system won't be able to do their job. 6 Aug 2019 Get all the air bubbles and locks out of your cars cooling system after a water pump or thermostat replacement can be really difficult. Then wait 5-10 minutes and repeat. The valve looks like a bolt going into the coolant elbow that attaches to the head. Removing the pressure cap breaks the vacuum path between the two bottle sections and the coolant will not return to cooling system. Discussion Starter • #1 • Sep 29 I burped my system yesterday after a radiator install and once when the tstat opened, it started boiling coolant out of the filler (lots of air, shot coolant out 1ft high), I shut her down then started again and allowed it to idle another 5min. (New, OEM tstat and overflow bottle after running distilled water and a bottle of CLR for three weeks to clear out the rust water I'd been running since last summer. burping the cooling system(no heater) i have seen several post on how to burp it but just wondering if anyone knows if the hoses from the heater core are still both hot even if there is air in the system. We speak from firsthand experience. I had good luck with it on one vehicle, the second vehicle I used it on it didn't fit. On some vehicles, a second vacuum may be necessary. how to burp a silverado cooling system

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