Overheating heat stop working

Asked by Nov 16, 2016 at 01:56 PM about the 2008 Pontiac Grand Prix Base

Question type: Maintenance & Repair

I have a 2008 grand Prix and my  heat stop working
and my car is overheating anybody know what's
going on

6 Answers

2,150

thermostat stuck closed? low coolant? coolant leak?

1 people found this helpful.

Coolant good how do I check to see if the thermostat stuck?

2,150

http://www.wikihow.com/Tell-if-Your-Car's-Thermostat-Is-Stuck-Closed

1 people found this helpful.
2,150

there is also another way to do it, but you have to remove the thermostat and test it in water..

1 people found this helpful.
5,955

Thermostats are cheap. Just replace it and see if your problem goes away.

1 people found this helpful.

On these cars Pontiac Grand Prix on that issue...There are coolant elbows...1 on top by the supercharger and one underneath the altenator...I just finished replacing Both but instead I went with the aluminum the newer stuff instead of going back with the plastic and all my overheating problems went away.

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