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Overheats

(1991 Chevrolet Cavalier)
in Kent, WA on March 14, 2009
have new radiator, hoses ok, new thermostat but car overheats. If I run the heater it cools it down a lot
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Popular Answer
on March 14, 2009
Check the radiator fan operation, sounds like it's not doing it's job.
on May 28, 2010
check the type of coolant u have they recommend dexcool for all gm vechicles and its the orange color not the green color coolant plus check the fan operation and if thts not it burp the system or flush the system it could be clogged
on April 23, 2010
possible air pocket in cooling system. try bleeding it
on August 23, 2010
same problem..new fuel pump wire harness or fuel pump..make sure you have the fuse for the heater first
on December 31, 2010
check water pump-do you lose radiator flluid
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