Mechanics

PONTIAC GRAND PRIX HEATER PROBLEM

2000 Pontiac Grand Prix • 13,000 miles

I have intermittent heat blows hot then cold
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Danielingram
February 19, 2013.



Check and make sure the engine coolant is full. If it is, you need to check if both heater core hoses are getting hot. If they are not, then flush the heater core. If they are hot, chances are there is an issue with the blend air door.



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