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Check your climate control switches, and vaccuum lines. If you have electronic climate control, you probably need to have it serviced. Quite often in Grand Am's 91-2002 have had minor problems with weak linkages within the housing and routing of the climate control rod's and lines.

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โˆ™ 2006-09-12 04:26:59
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Q: Just blows air out of vents no heat or ac in a 1993 Pontiac grand am what could be wrong?
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