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2002 Pontiac Grand Prix Question: The low coolant light came on and the heater blows cool air on and off.

 

Question

voiceman, 3.1L V6, Albany, NY, March 01, 2012, 08:42
 Rookie

The low coolant light comes on after a while it goes off but comes on back again. The heater blows cool air longer than usual it does get hot after a while.

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  • Answer #1

    csubak30 March 01, 2012, 12:55
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     Master

    First, check your coolant level and top off if necessary. It may be the thermostat is starting to malfunction and need replaced.

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  • Answer #2

    goodguy February 06, 2013, 07:07
     Master

    I would top up antifreeze and pressure test system for leaks

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