Chevy Blend Door Actuator Calibration

I have cleaned up the original actuator and it worked fine for 6 to 8 months or so.

Chevy blend door actuator calibration.

The topic of how to perform the actuator recalibration procedure on chevrolet gmc and cadillac trucks and suvs has become an ever increasing topic of discussion. Gmc yukon and chevy tahoe blend door calibration. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Ignition off pull the hvac ecas fuse for 10 seconds reinstall and start vehicle without touching any controls wait 40 seconds for the control module to self calibrate.

If there is still a problem the actuator for the temp blend door may have failed. In this video we look at my 2004 gmc drivers side blend door actuator. Fixes problems with heating and ac control please visit our website. This grind or click sound is actually the plastic gears stripping inside.

An actuator can go bad in of two ways. For manual systems it does not matter where the a c controls are set but if you feel the need to do something turn the blower switch on i prefer speed 3 and set the temperature. This actuator assembly might fit a few other models but double check the part numbers for your car. Scan the hvac for codes.