Question about 1993 Chevrolet Caprice

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My car is over heating when i shut it off the coolant resivoir is boiling and brown in color

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It sounds like a faulty thermostat. Follow the main radiator hose to where it hooks onto the engine. The thermostat is located inside that housing. But is the cooling fan operating? Do you see any leaks at the radiator, hoses, or water pump? The water pump should have a "weep hole" and coolant will be coming out of it if the water pump is defective. Hopefully, it is the thermstat, that is an easy fix. Hope this helps and good luck.

Posted on Jul 15, 2009

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