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1995 Subaru Legacy auto

Tiny
JOE ZUERLEIN
  • MEMBER
  • 1995 SUBARU LEGACY
  • 4 CYL
  • AWD
  • MANUAL
  • 135,000 MILES
I have a1995 subrau legacy with a 2.2 engine here, s my problem when I let the motor idle for more 20 minites or so the temp gauge goes way up so I check the radiator cap it is not hot fans are working fine when I rev the engine up 2000 rpm the gauge starts to drop to normal range also when I drive up high mountain passes it does not overheat I had the coolant temp sensor replaced themostat replaced also and the water pump changed
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Tuesday, June 17th, 2008 AT 1:31 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
When the fans are on does it blow hot air? If not the t-stat could be defective, or some other flow restriction. Does it use coolant? No leaks in the system?
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Wednesday, June 18th, 2008 AT 7:53 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi joe zuerlein,

Does switching the AC on and off repeatedly cause the gauge to move up quickly?

If yes, you have a poor ground for the gauge.
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Wednesday, June 18th, 2008 AT 11:04 AM

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