An actuator can go bad in of two ways.
Blend door actuator reset.
Have the same problem.
Saturday february 1st 2020 at 2 19 pm.
Hot setting produces cold.
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First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
Learn how to reset the hvac actuator with acdelco.
Turn ignition key to the on position and turn on the hvac system.
The problem is cold setting produces heat.
There is a reset self test feature on the ford digital climate control systems.
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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.
Move the key to the off position.
I found this solution on the web and had to pass it along as it saved me some big money.
This actuator assembly might fit a few other models but double check the part numbers for your car.
I was told that every was ok except that the blend door was binding.
Open hood bonnet for the rhd guys and locate fuse 15 in the fuse box next to the battery.
I have tried at least 7 different ways to reset the actuator but all have failed.
On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.
This test exercises all the vacuum.
Blend door actuator motor calibration.
No cost and no work involved except for pressing a few buttons.
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I installed a new blend door actuator.
The blend door actuator is interchangeable with the actuators for the mode air doors and the recirculation air door.
Parts counter people call this the upper actuator.
If equipped remove the silencer from below the driver side of the instrument panel.
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.
Disconnect and isolate the negative battery cable.
