Mechanics

PONTIAC GRAND PRIX THERMOSTAT PROBLEM

2004 Pontiac Grand Prix • 130,000 miles

Yesterday my car suddenly hit the red line I pulled into a store and fillied the oveflow with radiator fluid then it went fine then redlined then cooled just below the red line could this be a thermostat failing
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Rward47
February 4, 2013.




I would check thermostat, make sure that the fans are working and that there is no external leaks and the pressure cap is ok.

Mhpautos
Feb 4, 2013.
Took car to shop it was the plastic piece that hold up the belt that connects the water pump to the engine had broken probably due to impact on wood on the hiway
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Tiny
Rward47
Feb 6, 2013.

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