Question about 2001 Subaru Legacy Outback

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Does my car have a bleeder screw for the cooling system?

Hopefully my car has a bleeder valve or screw to bleed air from the coolant system. I see 2 valves (like the kind you see on tires) with blue covers on them connected to the cooling system. Are these the bleeders? And if so, how am I supposed to compress them?

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  • Subaru Master
  • 5,342 Answers

Those valves sound like fuel pressure test ports. Press down the center of valve and see if gas comes out. If it does, those valves are on the fuel rail, not in the coolant system.
A bleed valve is a bit different. Looks kind of like a grease zerk, with a small hole on its little round head. You put a small wrench on the valve and turn it as if loosening it, but only a turn or two to open it and let coolant or air out the hole on the valve. Look for it on or just close to the thermostat housing.
If you have no bleed valve, best practice is to fill radiator and overflow tank, then start car with the radiator cap off, and let engine run until the thermostat opens (upper radiator hose will get hot when thermostat opens). Now turn off engine and replace radiator cap. This usually gets all the air from coolant system, but sometimes you have to do it again.

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

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shinehutt
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SOURCE: cant find cooling bleeder valve on 2000 subaru

coolant bleeder valve is on r/s passenger side on top of rad is a phillips plug to eliminate air bubbles and make filling easy i remove upper raqd hose at rad lift hose pour coolant into hose till full and coolant starts to come out of rad then attatch hose to rad finish filling fluid till full you will fill system full and no air bubbles just a trick i use tell no one else lol

Posted on Jan 15, 2011

patandjess
  • 171 Answers

SOURCE: location of the coolant bleeder plug.

the "bleeder plug" also known as pet **** should be on the bottom of the radiator toward the drivers side it looks almost like a wing nut

Posted on Apr 09, 2009

  • 1 Answer

SOURCE: 1997 subrau legacy 2.5,put a

I assume your question was how to get the air out. Park it on a hill with the front of the car up the highest. With the radiator cap off let the car run, you may also have to bounce it some at the front bumper.

Posted on Oct 10, 2008

  • 316 Answers

SOURCE: Can`t get the piston to compress on the calibers

You won't get the pressure you need with a hammer handle, especially if the piston is stuck. Use a "C" clamp or a large pair of channellocks. If it still won't compress from there, you need to get a new caliper.

I hope this helps you, and I wish you luck on your repair.

Posted on May 13, 2009

johnjohn2
  • 5763 Answers

SOURCE: When compressing the front brake calipers do you

no you dont have to open bleeder,you will not mess anything up i do it all day long, the reason for opening the bleeder is so they say you dont push debris from caliper into abs, but every time you step on the brake and release it fluid is flow in and out of abs, if you feel better by opening bleeder go ahead youll just have to bleed brakes when your done , good luck, hope this is helpful.

Posted on Nov 13, 2009

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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.

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Automotive cooling system has no bleeder valve. Removing trapped air (bleeding) from the system is done by loosening the upper radiator hose with the engine running, and letting some coolant to ooze out. If the coolant coming out already has no bubbles with it, then you already expelled out the trapped air. Simply running the system with out the radiator cap will also do the trick.

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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.
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