Question about 1990 Subaru Legacy

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90 subaru legacy overheats, wheres the thrmostat

90 subaru legacy overheats, wheres the thermostat ? is it underneath the intake?

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Not to be argumentative, but I have had to replace a number of stuck or sluggish thermostats; though often can stick open and cause inadequate temperature; especially uncomfortable in the winter..
..My 1998 Subaru Legacy, was one of those replaced, though overheating; LeBaron was a problem with the poor design and tendency to blow head gaskets---hence 3 or 4 redesigns and a sticky thermostat was not helpful (about every 3 years on my 1989 model); 80's Accords had frequent thermostat replacements that stick in my mind..
...anyway the legacy has a composite themostat housing (though with metal inserts) so be a bit more careful than usual.
...and more importantly, check for signs of weepage from the water pump (weep hole) (directly above the thermostat and to which it is connected); as failure can certainly cause overheating and bad news. ..Unfortunately, the water pump is driven by the timing belt (inside the black cover at the front of the engine and just above and adjacent to the thermostat housing). So listen for sounds coming from this area while the motor is running (with a stethescope preferably or your ear at the end of a long screwdriver or rod) and even some one to rev the engine a bit.

Posted on Aug 09, 2009

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The thermostat is under the car on drivers side front on the 2.2 liter

Posted on Aug 04, 2009

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When a car overheats it's rarely the thermostat. They just don't go bad that often. If it overheats when you idle a lot, it's the fan and with electric fans, it's almost always the fan motor. But to find the thermostat, follow the top radiator hose to the engine and there it is.

Posted on Aug 01, 2009

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