Question about 2008 Pontiac Grand Prix
On your controle panel in side your car turn on your heater thermostate and if you do not hear any sound from your controle module it is bad should be under your dash .
Posted on Feb 17, 2013
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Posted on Jan 02, 2017
SOURCE: i have a 2006 pontiac grand prix 3.8l my heat only blow cold aair I checked the thermostat and the heart inlet hose is hot but the outlet hose is luke war what could this be maybe clogged heater core.
Ok fellow 2006 Grand Prix owners!! By trial and error, I went through the process of elimination because my car would over heat and had no heat inside. After changing the thermostat, I had to replace the water pump. However, after you do this, you need to open the inlet hose bleeder and let the air out a few times. This solved my issue of overheating and I now have great heat!!!
Posted on Nov 02, 2011
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