Chevrolet Silverado 2500 HD Problem Report

Chevrolet Silverado 2500 HD Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

(14 reports)

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.

blowing cold air then after much trying with slide selecters a little heat then nothing.Will take to the shop soon. -
heating truns om when ac is trun on -
Heat or AC would not come out of their respective outlets,so I knew it was the blend door actuator.Ordered one and replaced the actuator all is good. -
Yes, sometimes you turn the ac on and the heater comes on for a while then it will take 5 min or so and it will finally switch to cool air. -
some time it wont go into coling it heat,s instead hasent ben fixed -
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