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1991 Chevrolet Cavalier Question: overheats

 

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junk car, 2.2L 4 Cylinder, Kent, WA, March 14, 2009, 05:42
 Rookie

have new radiator, hoses ok, new thermostat but car overheats. If I run the heater it cools it down a lot

5 Answers
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  • Answer #1

    Bret Bodas from RepairPal Test Shop, March 14, 2009, 08:32
     Master

    Check the radiator fan operation, sounds like it's not doing it's job.

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  • Answer #2

    Visitor, April 23, 2010, 12:09

    possible air pocket in cooling system. try bleeding it

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  • Answer #3

    Visitor, May 28, 2010, 13:48

    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

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  • Answer #4

    Visitor, August 23, 2010, 08:49

    same problem..new fuel pump wire harness or fuel pump..make sure you have the fuse for the heater first

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  • Answer #5

    Visitor, December 31, 2010, 10:54

    check water pump-do you lose radiator flluid

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