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I bought a 95 T/A a couple days ago that has developed an overheating problem. I'm stumped. Its modded and tuned. The fans kick on at 180°, I put a 180° thermostat in it. It will run a constant 180 for a long time and then all of the sudden the temp will shoot up to 240 and the radiator will boil over back through the reservoir. I also changed the cap. Could the radiator possibly be bad?
The fans are fighting the t'stat. A 180 only starts to open at 180. It isn't fully open until about 200. The fans are set for a 160 t'stat. The 180 is basically staying closed.
Make sure the air dam underneath the car is on. Aside from that, bleed the system and readjust the fans or put a 160° stat in it and see what happens
If it's boiling, it's probably not holding pressure. See if you can find someone with a pressure tester and put it to the system and see if it's holding pressure or not.
THIS and bleed ur system.Quote:
Originally Posted by Injuneer
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OK. The thermostat is what I was thinking.
would it be okay to run it without thermostat until the new one comes in?
No.
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nooooo:2cents:Quote:
Originally Posted by 97bluebird
Buy a new radiator cap too. Like sean said, if the system isn't holding pressure its going to boil over at 212.
New cap, radiator and Hypertech thermostat installed today. now my car runs a very happy 175 degrees.
EXCELLENTQuote:
Originally Posted by 97bluebird
Great news!
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