Question about 2003 Pontiac Grand Prix
1. during the winter once ive turned on the heat the car simply does not blow hot air. when it did work the car would blow hot air and once i was at a light it would start to blow cool air can u tell me why and how to fix it?
2. during the summer the drivers side blows cool air and the drivers side blows hot air once ive turned the a/c on can u help?
Is it leaking antefreeze?
The thermostat might be gone or needs a bigger thermostat
It could be a vaccum leak for the drivers side blowing cool air and the passenger side blowing warm air
Does it have dual air control switches one for drivers side and one for passengers side?
Posted on Jan 10, 2009
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Posted on Jan 02, 2017
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