1992 Chevy Cavalier Wierd coolant leak-help!

VINTAGETRLRS

MEMBER
1992 CHEVROLET CAVALIER
4 CYL
FWD
AUTOMATIC
89,000 MILES

My cavalier all of the sudden overheated a week ago. The car was full of fluid. I replaced the thermostat, but im not sure if its the way the old one was (old one fell out before I could check its position). It quit overheating. Now one week later, the car is losing fluid both as it runs and while it sits. The antifreeze seems to be coming from the airbox, and its soaking the air filter and running down the engine. I had the heater hose replaced and no luck. Any ideas what this could be? Could this be a result of an improperly positioned thermostat? If so, how do I know the proper position?

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,753 POSTS

Hi:
If it's not overheating, you have it right. As far as coolant coming from the air filter box, that doesn't make sense. Is there any coolant getting into the oil? Or is there oil getting into the coolant? Also, the head gaskets on these have a reputation of going bad in the right front corner. Check there because it could be blowing up on to the air filter box.

Let me know what you find.

Joe

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Sunday, February 22nd, 2009 AT 7:54 PM

VINTAGETRLRS

MEMBER
3 POSTS

Oops forgot to add that: I checked the oil and its clean as can be. And there doesnt seem to be oil in the coolant that leaks out. That head gasket makes sense, because that corner of the engine is always soaked in antifreeze. I will have a closer look tomorrow. Thanks for the quick response!

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Sunday, February 22nd, 2009 AT 8:03 PM

VINTAGETRLRS