Problem Reports
GMC Sierra 3500
Report: Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail
GMC Sierra 3500 Problem
5 Reports
Model Years Affected: 2001, 2002, 2003, 2004
Verified
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
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Visitor, 2004 GMC Sierra 3500, 140,000 mi
duel zone AC, one zone will work correctly and the other will blow hot air
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