Workshop Repair and Service Manuals GMC SIERRA
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Ventilation Doors

Mode Door Replacement - Upper Mode Control Door      Removal Procedure Note:The upper mode door is serviced with the upper HVAC modulecase. Remove the HVAC module. Refer toAir Conditioning and Heater Module Assembly Removal and Installation.Disconnect the electrical...
PIT5082A HVAC Inop Temperature Or Air Distribution Mode Will Not Change - (Aug 28 2012)      Subject: HVAC Inop Temperature Or Air Distribution Mode Will Not Change Models:  2007 - 2013 Cadillac Escalade all models 2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC Sierra,...