Car Problem Reports

Chevrolet Silverado 3500 Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

Chevrolet Silverado 3500 Problem
7 Reports
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Model Years Affected: 2001, 2002, 2003, 2004

Average Mileage: 164,500 mi (127,000 mi - 202,000 mi)


One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

  • Visitor, , 202,000 mi

    If u switch from a/c to heat or vis- versa the heat or a/c stay on when you want the other if i shut off motor an cool it for several minutes upon restart the heat- a/c you wanted starts.

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