2CarPros - Car Questions & Answers

2004 Pontiac Grand Prix Repair Question


Topics covered: Thermostat, Engine, Radiator.
Mileage: 130,000 miles.

Asked on February 4, 2013

Pontiac Grand Prix Thermostat Problem

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
Avatar Asked by rward47

Answer

Replied on 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.

Tiny Answered by mhpautos (expert)
27,079 answers provided
Replied on February 6, 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

Tiny Response from rward47
3 questions asked