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Old 03-15-2005, 11:52 AM   #1
Scooby Newbie
Member#: 83040
Join Date: Mar 2005
Default 94 legacy overheating

I have a 94 legacy wagon AWD, 2.2L. It has a tendency to overheat, It used to only do it when I drove it over an hour an a half. Now it happens almost at once. I have already changed the thermostat (twice), new radiator, waterpump, and timing belt. Head gaskets have been tested. No coolant in oil. Nothing leaks. I'm bypassing the heatercore today to see if that changes anything. I cant beleive the heatercore is the problem but Im doing it just to rule it out.
Anyone encoutered this before?
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Old 03-15-2005, 12:08 PM   #2
Scooby Newbie
Member#: 32316
Join Date: Jan 2003
Chapter/Region: South East
Location: Western NC
98 2.5RS


How did you test the the head gaskets? A pressure test may not always find it.
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Old 03-15-2005, 10:18 PM   #3
Subie Gal
Super Moderator
Member#: 301
Join Date: Sep 1999
Chapter/Region: NWIC
Location: WA
1970 FF-1 & '70 Van
02 WRX/01 RS


check for hydracarbons in the coolant

money says you have a headgasket issue...

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Old 03-15-2005, 11:11 PM   #4
Scooby Guru
Member#: 64673
Join Date: Jun 2004
Chapter/Region: NWIC
Location: portland
1990 Legacy wagon
goes 12.387 @ 116.5


Did you burp it?

If you didnt, this could cause the overheating. To eliminate burping (which is a pain in the arse), I drill a 1/16th hole in the thermostat so that air and water can seep through and I don't have to burp, much less worrry about it.

I bought a 1990 sedan for $450 because the owner didnt burp it and thought he had blown head gasket(s). I burped it accidentally after I towed it home and never overheated in the next two weeks once. Then the clutch went. Another story.
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