Question about 1998 Chevrolet Cavalier

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My temperature gauge will go half way then drop

When i drive for a little bit my temperature gauge will go half way then drop down to cold on my 98 cavalier

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  • catvaman May 11, 2010

    In most cases it is a defective temp-sender switch for coolant gauge only. If you have the 2.2 engine, it will be located near or under the thermastat housing.

  • Samuel Charles Spriggs May 11, 2010

    Sounds like the thermostat is not closing. Likely needs replacing. Charlie

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  • Chevrolet Master
  • 6,674 Answers

First thing you need to do obviously, is check your coolant level. If coolant level has been checked and all is well, then I'd look at replacing the thermostat.

Posted on Sep 12, 2009

  • Mike Butler
    Mike Butler Sep 12, 2009

    Be sure to bleed air out well in system after changing thermostat, and make sure heater is on while doing so, and adding coolant back into the system.

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