1992 Subaru Legacy Overheating

Tiny
NATE8643
  • MEMBER
  • 1992 SUBARU LEGACY
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 220,000 MILES
I replaced a leaking radiator in this car. Now it will idle fine and the temp gauge stays in the middle, but if you hold the rpm's up around 2500 or drive it the coolant boils up out of the radiator. If you shut the car off the coolant will bubble back down after a couple minutes. I have also replaced the t-stat. The car wasn't overheated. The upper hose and the right side of the radiator get hot, but the lower hose(t-stat side) and the left side of the radiator are cold. It passes a CO test. I'm thinking the radiator is plugged? Any ideas? Thanks
Wednesday, March 26th, 2008 AT 9:06 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like you have found the problem-Clogged Up- The temperature should equal across the Radiator.
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Thursday, March 27th, 2008 AT 8:01 AM
Tiny
NATE8643
  • MEMBER
  • 2 POSTS
Thanks for your advice, I pulled the hoses off and sprayed water through the radiator, it seems to flow well. Now that I finally got this thing up on a hoist I was able to pull the t-stat back out and examine the water pump, it doesn't turn. The water pump appears to locked up.
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Friday, March 28th, 2008 AT 6:58 AM

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