Question about 1991 Subaru Legacy

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Air lock in 1991 subaru legacy cooling system

I've replaced the water pump and thermostat on my Subaru legacy. The top hose is hot but the bottom hose is ice cold. The thermostat isn't opening so the engine is over heating. How do I bleed the cooling system?

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Posted on Jan 02, 2017

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SOURCE: 1990 subaru legacy

make sure you bleed the air out of the system on the top left hand side of the radiator or the car will overheat due to air lock

Posted on Nov 08, 2008

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  • 17 Answers

SOURCE: Overheating 93 Subaru Legacy

water pump could be bad again. if the seal is out lets air in around pump propeller and it won't move water and it over heats. its a lot of work but you can fix it your self

Posted on Dec 21, 2008

  • 119 Answers

SOURCE: 2002 subaru legacy heater not working

heater core could be plugged,try removing both heater hoses to core and back flush

Posted on Aug 17, 2009

germcelchar
  • 389 Answers

SOURCE: how do i bleed my power steering rack on subaru legacy rs turbo

A power steering dosent need bleeding. If you replaced it a week ago and was fine until now then it's not an air problem. Power steering fluid is pumped through the system even when the steering is not being used. Definatly not an airlock problem. Cheer's

Posted on Oct 16, 2009

  • 30 Answers

SOURCE: We have a 1997 Subaru Legacy overheating, we

Pretty common on subaru's, try elevating the front of the car whilst bleeding the cooling system.

Posted on Nov 23, 2009

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1 Answer

Running hot


You could be low on antifreeze, bad water pump, bad thermostat or a collapsed hose. Assuming you do have plenty of antifreeze and hoses are in good shape, do you have good heat inside the car? When car is still warming up open the radiator cap and visually see if antifreeze is circulating. If it's not you can remove the thermostat and then check if you have circulation. If yes then replace the thermostat, if no then replace water pump. That's how I troubleshoot old school cooling systems.

Feb 09, 2012 | 1993 Subaru Legacy

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1990 subaru legacy- overheats, I"ve


Most likely you put the thesmostat in upsid down. Good luck

Aug 17, 2011 | 1990 Subaru Legacy

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99 subaru legacy overheats...


it may have a blown head gasket if it keep over heating or there could be just an air lock in the cooling water,, you will need to bleed the air out to stop the over heat as the water is not going around the engine its not opening the thermostat so it cant bleed its self take off a water pipe thats the higest pipe you can find it may have a bleed vent in a pipe were you can bleed it from ,,,top up the rad and header tank take off the bleed nippel when water with no air is coming out and the jobs a good un? run the motor for a time or go for a drive to check its not ever heating again and the heater should by now be blowing hot air,, top up the rad and header tank when its coold down

Nov 16, 2009 | 1999 Subaru Legacy

1 Answer

2002 subaru legacy heater not working


heater core could be plugged,try removing both heater hoses to core and back flush

Aug 15, 2009 | 2002 Subaru Legacy

1 Answer

Running Hot


Sounds like the water pump.Check if you see coolant or coolant residue behind the water pump pulley.

Dec 06, 2008 | 1995 Subaru Legacy

2 Answers

1990 subaru legacy


Both head gaskets have to be replaced and the heads need to be resurfaced, be sure you go thru the torque specs and sequence correctly, it is a strange process, but has to be done. subaru puts out a product called cooling system conditioner, it's advised to install this.

Sep 21, 2008 | 1990 Subaru Legacy

2 Answers

Thermostat Replacement for a Subaru


I have a 95 Legacy Wagon and by the shop manual the therostat sets on the bottom of the water pump. It is accessed from the bottom of engine by 2 bolts that hold the lower hose on.

May 30, 2008 | 1995 Subaru Legacy

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