Question about 2003 Pontiac Grand Am
Hey could you help me? My Pontiac is only blowing cold air. The thermastate seems to be fine because the car is heating up. The temperature control dial is digital and the lights for the A/C and the rear defrost arent working either. I tried to replace the fuses or defusers associated but t hey arent blown.
What could be the problem, and should I keep looking at the defusers to find if one is out?
The heater core might be clogged. It's located behind the dashboard usually. Just follow the supply and return lines through your fire wall in the engine compartment. Run the engine for awhile then carefully hold the return line, if it's cold you have a clog and the core needs replacement.
Posted on Jan 01, 2009
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