How to Bleed Air Out of Your Cars Cooling System

If you are having overheating, no heat from your heater or even poor idle issues you could have air inside your cooling system and in this video I show you the best methods for getting those stuck air bubbles out of your cooling system.

[@Arcturian1111]

1995 Honda Accord... My idle RPM was going up and down when my car got warm. So I did the bleed.. Ran it for 20 minutes, so far so good. Idle is normal. Thank you.

[@reyp5323]

I did this and nothing happened except coolant overflowed all over my apartment driveway. My landlords gonna kill me! Thanks for the great automotive advice :)

[@narule2695]

Bleeder valve is like driving to work and you hit all green lights

[@lefrerehill2012]

thank you. this helped so much. i didnt even need the funnel to release the air either.

[@samhan7048]

Aren't you supposed to jack up the front end or park on a hill to where your front end is higher than the rear? That is so the air bubbles can find it's way out by flowing out the highest part of the car.

[@diyautorepairvideos110]

+Sam Han As long as you have a funnel it will work fine. Raising the front or parking up a hill helps though.

[@dalepeer7898]

Sam Han

[@DexterGoneWild]

When the upper hose gets hot that means your thermostat is open. the upper hose only gets coolant when the thermostat opens.

[@superbeeflyyproductions9948]

Saved my ass, now I know it's not the heater core! Ty!

[@Coldspark5]

Thanks so much u have no idea how much this video helped me

[@francisgabrielsalvador9805]

Quick question, aren't you bend the hose connecting to the coolant reservoir so that it will not suck air or coolant from the reservoir while performing this task?

[@GymChess]

How long can air be stuck in the system? Days, weeks, months... Years?

[@87gallardo87]

Thanks man ..you look like the main character in office space

[@eriks8382]

Oscar?

[@VedafoneYT]

Dear Mr. Eric; could you please make a video of how to use automatic air vents on coolant circuits just to take off the air bubbles automatically from the system. thanks

[@alb12345672]

My 96 Explorer with the 4.0L OHV never heated up right, gauge always swings. Confirmed temp with IR thermometer, scan tool, and dash gauge. Two motorcraft tstats, never go above 186, cycle at 174 (barley touches the bottom of the thermometer icon). Gauge never reaches center. Tstat rating says `190 or 197. Was like this 60K miles, since I got it, never lost a drop of coolant. Tried different methods of burping, used funnel, squeezed hoses, seems there are always bubbles coming out when I squeeze upper hose. No bubbles otherwise. Thinking maybe steam formation, also tested for bad HG. This engine is weird, no external bypass, there was some TSB with a kit that is not made anymore. Never bought the kit because it was like $150 and the ford tech I asked there said it will run forever like that and don't waste money. That has to be a band aid masking some other problem. Maybe I'll try a stant stat.

[@timnagel7294]

hey Eric, I got a 96 Sebring and flushed the whole cooling system. Water does flow freely through the heater core. I attached some of those tea valves and ran system water only through the heater core. I still got no heat in the cab I just fixed the I put a new climate control in the control seem to be moving freely. The recirculation one is kind of stuck. I have to look at that it's acting weird but I have not been able to get any heat in this car. It has the 2.5 L V-6 and I guess it's a pressurized coolant system. I can't find the bleeder valve on this car but it's the GX a convertible.

[@number001yepremian6]

Hey thanks man we are on it now just needed to locate it. Spot on video you're legit

[@MarvinResper]

Thanks for the information

[@CheekyMonkey888]

Good video But pretty sure coolant flows clockwise from rad to lower hose to engine to thermostat to upper hose and back to rad

[@johnny-cc4in]

Can you get the air out with one of those Stant radiator caps that have the red thing to lift and release pressure. When the car is hot, turn it off, lift red valve. Then blup, blup, blup the bubbles and air go into the reservoir tank. Or no??

[@corruptdevil2957]

No so its pretty much a safe way to release pressure without spraying yourself with coolant nothing more unfortunately

[@tonimayfield3227]

this work the same way on a 97 Integra?

[@IGniTuv]

Did this method and everything went nicely...at first. Had a nice bubble going then bubbling got overly violent, spray out and around the funnel in a three foot radius. Thermostat? Head gasket? I have both heat and ac. I just replaced the radiator, could a huge airpocket cause it? Should I try burping again? I realize now I should have checked the thermostat while I did the radiator but im new to this. I have a subaru outback 2008 btw. Thanks for any input. Also, water pump was replaced within the last couple years but i did not check that either

[@swaggattarius4355]

IGniTuv Did you ever find out what the problem was? My Honda Civic did the EXACT same thing. The only difference, when I had the radiator and fan replaced, I did not do the water pump.

[@IGniTuv]

Aim I cant be certain but I think it was just an airpocket. IT ended up bleading itself out over a few days, just filled up on coolant through the radiator cap first then reservoir second on day one, then topped off the reservoir over the next 3 days and I was good to go. Good luck! Be safe with the volcano coolant lol

[@DrHogfan]

Wife's 08 Pacifica would not blow hot air. Looked under hood and for some reason(knucklehead service dude?) the Cap was not on the coolant reservoir. Luckily it had come to rest were I could find it. Filled reservoir up to line and now car has hot air. QUESTION: can I expect air pockets to interupt hot air?

[@DustinisDooDoo]

would you still top off radiator even if the reservoir was full before starting this procedure

[@eeenimo4769]

what do I squeeze to rev the engine? i kind of saw in the video, but not quite sure. thanks!

[@robertmunguia250]

Hello, I'm having trouble with chevy Silverado 1500 2wd 2001 and I replaced coolant but heater not working. How do you bleed air from this type of unit?

[@24Dinho]

i installed a new radiator on my car, thurmastat open and my air conditioner blows cold and hot air. the only problem is that my fans dont turn on automatically. what can i do to fix this problem ?

[@duckprotectoralex4433]

I wonder why we need to open the bleeding screw and close it and keep filling the radiator until the coolant visible in the funnel? why not just ignore the bleeding screw and keep filling the funnel until the coolant is visible.

[@Luddynetwork]

You're the phucking best

[@ehabfamer]

I applied same procedures but am wondering that water on yellow bot returned back to the coolant plastic reservoir that’s happened only when I press on gas pedal to increase rpm ! Then the coolant water reservoir is above the F level ! Any suggestions please

[@rcorbett117]

Thanks, helps a lot.

[@roadworthy6901]

How long do you wait on the fans? say if its been idling for 25 minutes and it still didnt cut on, its about 50°F out

[@xart23x]

Hold RPM's to 3k and the fans will come on in 5-10 minutes.

[@tubo85able]

Turn the ac on.

[@raczyk]

do you recommend the same procedure when flushing with distilled water? or should I just replace coolant without a flush? my car is 1p yes old and never had it,s coolant swapped.

[@vinny1010]

3:25 - You should also put the heat on

[@mckinneytexaszeds5922]

Awesome vid!

[@rtfdxn]

Does it have to be jacked up??

[@stevejohnson6155]

So what happens when the funnel is full of coolant and you need to pull it out? Do you just let the coolant spill down your radiator?

[@samvelking]

his type of funnel usually comes with a plug to hold the coolant after hes finished bleeding the system. basically just a yellow stopper.

[@MrWd2528]

If you dont have a stopper you can use a screw driver and a rag. Wrap the rag around your screw driver end and shove it down the funnel. Then bring out the funnel and empty it into a waiting container.

[@amasoak47]

The coolant temperature switch by the thermostat and the one in front of engine where the upper hose connect, are these the same like part number wise for 95 accord?

[@δημοςαναστασιδης]

except from the problem of head gasket . what can cause air into the cooling system

[@swaggattarius4355]

δημος αναστασιδης Or fuel injectors

[@marparr9549]

06 ford Escape. Had a Garage replace transmission. Everything seemed ok till went to turn heat on. NO Heat. took it back said My heat don't work. Service Manager said. You need a heater core and its going to cost a lot of money. I said My heat worked when I brought it here. I googled no heat before I came and it said theres probably air in the lines if You just had work done.He says we don't have the equipment to bleed the line and if there was air in them it should have worked out by now. Then he says we didn't mess with or do anything to your heating system. replacing the transmission doesn't effect it. He has on my bill 20.95 for antifreeze? Help Me please.

[@teelowteelow356]

Any updates?

[@albertolivera7271]

When it starts rising too much I have to put the cap on? Because I lost all my coolant and it got too hot that I had to shut the car off

[@raczyk]

also have a 2007 nissan sentra, can i use generic coolant or go have to use nissans oem coolant?

[@extremerecluse2095]

I changed out my radiator. I did not do this. I destroyed my engine after driving 2000 miles. Expensive. The engine was at normal temperature, but radiator was cold.

[@swaggattarius4355]

So it’s not necessary to elevate the front end?

[@metal882]

Aim nah, keeping it on a level surface is fine

[@dzitiatri]

good engine for a turbo

[@suffism100]

Dear Sir I got a Nissan pathfinder R 50 , 2005 model ( Qatar - Middle East) , unfortunately I could not find the bleeder valve or air out valve, please help me muhammad

[@MrCludwig24]

+Ismail Suffiyan it could not be equipped with a bleeder valve. ive never used bleeder valve before myself.

[@javiloc]

what happens when the funnel is full of coolant and you need to remove it? have it spill all over the engine?

[@swanginfleet]

That specific kit has a handle with a plug on the end that you stick down in the funnel before pulling off of the radiator.

[@dalepeer7898]

Javier Avila

[@gautamkumar38gk]

nice

[@God_is_Justice]

what accent is this? I've never heard this before. Turkish?

[@ram-ham]

+Jesus was a carpenter I was thinking that he is suppressing the urge to go full Cholo. I don't intend to offend but it is a different accent.

[@God_is_Justice]

David Hamilton what accent is it?

[@blackrifleguy556]

+Jesus was a carpenter it is a hispanic accent so spanish speaking

[@visammansur2163]

Guys, the whole episode of trapping excess coolant in the funnel is absolutely unnecessary. I have no idea which bright mechanic initiated such bright practice! Just pour the coolant in the radiator to the brim. Remove the funnel if u r using one and just run the car. While the car starts heating, the excess coolant and bubbles start flowing to the reservoir tank. The reservoir tank is engineered and installed for this purpose. I always change the coolant this way. Let excess coolant fluid flow through the hole at the top of the radiator neck to the reservoir, wa ssalam amk

[@willmcneill6595]

some engines are subject to cavitation..which will ultimately leave you with not enough coolant after you have filled your radiator to the brim. you could actually be short to the point that your heat no longer works. So this brilliant idea as it were is 100% necessary in many instances.

[@mckinneytexaszeds5922]

You must don't work on cars much. SOmetimes the car pushes the coolant out during waiting on the tstat to open. Yes it's a good idea to have that on so you don't spill radiator fluid every damn where

[@1188clean]

Visam Mansur my thoughts exactly.

[@henryramirez4214]

omg your a life savior keep up the good work

[@DannyRamey86]

Sound like Eric the car guys video ! Lol

[@sodent8638]

how about on a 04 civic ????

[@GTR_NICK]

hey bro I have a 2001 is300 but when I turn on my heat only the passenger vent gives warm air and all the others are cold

[@cameronsaleem7489]

the part calles actuator you changed you be good

[@mickblock]

OK.

[@iamkalewillis]

I think someone bled your soul out of your petcock