Question about 2002 Pontiac Grand Prix
The vent actuator has gone bad, you can try relearning the actuators by removing the fuse to your HVAC system for 5 min and reinstalling it or by disconnecting the battery for 5 min and reconnecting it. This will recalibrate the heater/ac vent actuator, if it does not reset the actuator. It has gone bad and will need to be replaced, very common for the actuator to go bad after a few years. The internal parts to the actuators are plastic and eventually wear out or crack, causing them to freeze on one spot.
Thank you for using fixya and hope doing the recalibration fixes the problem.
Posted on May 08, 2010
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Posted on Jan 02, 2017
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