This grind or click sound is actually the plastic gears stripping inside.
Chevy blend door actuator reset.
Learn how to reset the hvac actuator with acdelco.
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.
Access our free reset procedure repair guide for grand caravan 2008 through autozone rewards.
Now it blows hot when set on cold and cold when set on hot.
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.
I have read that many people have had this problem.
How do you fix it.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
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.
An actuator can go bad in of two ways.
There are many different opinions.
Once you sign in follow these instructions to access our repair guides.
Access our grand caravan 2008 reset procedure repair guide by creating an account or signing into your autozone rewards account.
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.