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Overheating

90 Integra overheats slightly but when I turn the heater on it goes to normal and stays there. Is this enough info to point to a stuck thermostat? Since turning on the heater results in lower temps, this would indicate that coolant is flowing thru the block so I'm a little confused.
Reply to
Martik
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When you say it overheats, do you mean the needle goes into the red zone?

Reply to
John S.

"Martik" wrote in news:UzySg.36376$cz3.22425@edtnps82:

Exactly when and under what conditions does it overheat?

If turning the heater on works, you've either got a plugged rad, or the rad fins are corroded and falling off.

Reply to
TeGGeR®

My first guess would be a radiator that just isn't up to snuff anymore. You can have it rodded out or just replace it.

Steve B.

Reply to
Steve B.

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