Heat doesn't work

Asked by May 02, 2017 at 07:19 AM about the 2004 Pontiac Grand Prix GT1

Question type: Maintenance & Repair

My blower mother comes on but it doesn't get hot
it's stays cold

3 Answers

Try changing the thermostat it may be sticking or old and worn out

Ok

73,045

Yes, if the thermostat is not working, stuck open, then the engine can not get to operating temperature. You should notice this in the temperature gauge. Another way to tell is if the heater hoses are not getting hot. Also just check the coolant, may be low. One other thing would be with the climate control not working keeping the blend door closed.

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