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

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.

by in Albany, NY on March 01, 2012
2 answers
ANSWER by on March 01, 2012
First, check your coolant level and top off if necessary. It may be the thermostat is starting to malfunction and need replaced.
ANSWER by on February 06, 2013
I would top up antifreeze and pressure test system for leaks

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