Learn how to reset the hvac actuator with acdelco.
Chevy blend door actuator reset.
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.
Replaced clicking blend actuator on my 1999 new body style z71 silverado 5 3 cannot get it to reset disconnected the battery pulled the fuses still nothing.
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.
Now it blows hot when set on cold and cold when set on hot.
I have read that many people have had this problem.
How do you fix it.
This grind or click sound is actually the plastic gears stripping inside.
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Parts counter people call this the upper actuator.
A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.
There are many different opinions.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.