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Where are the bleeder screws for coolant system?

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The bleeder screw is on the passenger side front of engine. It is a small 1/4" square head bleeder bolt. Turn it counter clockwise making sure coolant level is full. After coolant is coming out then tighten back down.

Posted on Mar 23, 2014

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SOURCE: where is the coolant bleeder screw located on a 2001chevy impala

On the top of the thermostat housing

Posted on Jun 28, 2012

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Toyota Corrolla 1995. The heater does not work, I replaced the thermostat and have put a lot of antifreeze.

bleed cooling system, probably there is air trapped in the heater core preventing warm coolant to circulate into the heater core. try this
1 open radiator cap fill coolant and put heater in hi heat
2 start engine and wait until you see the coolant start to circulate
3 squeeze hose several times watching if coolant volume decrease
4 add more coolant and repeat 3 until coolant volume stays same or start overflowing.
5 check if heater giving off warm air or repeat 3 and 4 until warm air blows on heater.
or find the coolant bleeder screw, do 1 and 2
open bleeder screw until coolant come out, do this several times until no air comes out when opening bleeder screw, fill coolant in radiator.

Dec 11, 2013 | Cars & Trucks

1 Answer

2006 Chevy equinox ls 3.1 how do you bleed the radiator coolant system

If you look on the passenger front of the engine you should see a pipe coming up from the water pump housing. There should be a bleeder screw on the top. use a 9/32" socket to loosen the bleeder. Start the engine and keep bleeder open until coolant comes out. Close it and let the engine come up to temp while periodically opening the bleeder to let any additional air out. Keep an eye on the coolant level and top off as necessary.

Dec 15, 2012 | 2006 Chevrolet Equinox

1 Answer

2000 cherokee keeps overheating after changing rad with an inline 4l

Did you bleed the air from the system as stated in the factory manual? If not do so. There should be a bleeder valve on the top of the engine.
The best way I know to tell you how to do bleed the system is to explain to you exactly how I do it. So here goes! Okay, you have fixed the cooling system, and now you are ready to fill it back up. So pour in the proper coolant mixture for your car in the cooling system reservoir until it comes to the top, and you cannot add any more. Then look at the point where the upper radiator hose meets the engine. This is usually the thermostat housing. The thermostat should be changed as a maintenance item, see your owner manual for the maintenance intervals. Anyways, on that thermostat housing, there should be a small bleeder screw. If it is not on the thermostat housing, just look for the highest point on the engine, ad there will be a small bleeder screw (if your vehicle requires it) If not, then don't look too hard for it, because your vehicle might not even need one. At this point you are going to open (or remove) that screw. Once the bleeder screw is out, you can crank the engine and turn the heater on. Turning on the heater circulates the coolant throughout the entire cooling system, so you can 'chase' the air out of it. So with the heater on, and the bleeder screw open, add the rest of the coolant until it comes out the bleeder screw without any air bubbles. It should be a steady stream. Once you get that steady stream of coolant, you can replace the bleeder screw, and the radiator cap. Continue to let the engine run, while you check your work for leaks. A good way to find out if there is a leak is to place a clean piece of cardboard under the engine and areas of it that you were working on. If anything drops down on that cardboard, you will be able to see it right away.

Jul 10, 2012 | Cars & Trucks

1 Answer

Check engine light is on with code number p1285 cylinder overheat. wat is causing this?

First check your coolant level. If low you have a leak somewhere. You may also be low &/or have an air pocket in cooling system. You will need to bleed system cold just open bleeder screw on top of waterpump then fill cooling system till coolant runs out of bleeder. Snug bleeder. Then run till warm loosen bleeder slowly make sure only coolant not air comes out. Be careful do not get burned. Also clear codes. Then see if thats all it was.If no more problems your done. If code reappears you have a leak or blown head gasket.

Jun 08, 2010 | 2001 Ford Mustang

2 Answers

93 bmw car is running HOT, what s going on?

bad thermostat and coolant maybe low. when a engine gets to hot at certain boiling point it evaporates

May 31, 2010 | 1993 BMW 5 Series

1 Answer

Bleeding a4 (b6)cooling system?

bleeder screw on metal water pipe above inlet manifold. loosen bleeder screw, fill coolant at coolant resivoir untill all air pushed out bleeder.

May 12, 2010 | 2002 Audi A4

1 Answer

How do I bleed the air out of the coolant on a 2000 Monte Carlo LS 3.4L?

Look for a bleeder screw at the highest point of the coolant system, it is usually located on the thermostat housing. Once located open screw with engine off and cool, and pour coolant into the coolant resevoir/ radiator until steady stream of coolant starts to come out of bleeder screw.

Nov 24, 2009 | Chevrolet Monte Carlo Cars & Trucks

2 Answers

Dakota 4.7 liter engine heating

run the engine when warm, open bleeder screw slightly. air should come out, wait for steady stream of coolant. Then lock down bleeder screw.

Jul 26, 2009 | 2000 Dodge Dakota Quad Cab

1 Answer

I used the bleeder screw to release the air pocket on my 2002 PT Cruiser but the air pocket keeps forming again.

fill coolant with bleeder open until the coolant comes out of the bleeder. if it still over heat and has air in the system replace the head gasket. hope this helps

Jul 01, 2009 | 2002 Chrysler PT Cruiser

3 Answers


the thermostat (on bmw replacement parts) have an arrow that has to be installed facing upward.if this was done correctly,to bleed the system usually there is a bleeder screw on or near the expansion tank(where you fill the coolant) and possibly on the thermostat housing. i would recommend opening both bleeders and keep filling the system with coolant closing the lower bleeder first and then allow the rest of the air purge from the other bleeder screw.make sure the coolant stays full and be patient you can't wait TOO long.

Apr 20, 2009 | 1995 BMW 5 Series

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