Question about 2002 Pontiac Grand Prix

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I have a reostat type hot/cold control on my 02 bonneville, and it will not blow hot, always cold. please advise . . . . .

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  • Pontiac Master
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This sounds like the hot cold blend door is not working and is always stuck on hot, this is located on the heaterbox,you will need to locate by watching as you move all controls until you find the one that doesnt move, then remove it and turn door by hand and try to see if hot air comes out, you will need to make sure when the blower is turned on the door doesnt swing back you may need to hold as you test and then is you get hot air replace that one. hope this is helpful.

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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