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2007 Buick Rainier Question: heat does not come out of the front vents of vehicle.



Visitor, 4.2L 6 Cylinder, Austin, TX, November 25, 2010, 22:43

the battery was replaced and maybe the positive lead was taken of vs. the ground lead. Would that cause for Heat not to blow out?

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  • Answer #1

    November 26, 2010, 00:41

    The A/C system may need to have the system re-calibrated after disconnecting the battery. (Doesn't matter which cable was removed)
    The vent and temperature controls are controlled by little motors and these motors are what need to be calibrated.

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    Visitor, March 24, 2011, 08:10

    How do you calibrate the motors

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    Bret Bodas, March 24, 2011, 13:39

    It varies by manufacturer, and I'm not sure how GM does it, sorry.
    You can try getting a repair manual:

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