Why is my Blend door not calibrated properly?

The Dealer calibrated the blend doors but the problem still came back. I think the blend door motor is not regulating across the temperature range. I had a broken blend door gear and the dealer replaced the gear and the blend gear motor.

What happens when you replace the actuator on a blend door?

Once all of the mounting screws have been removed the actuator should become loose. Grasp the actuator and pull it from its mount to remove. Before installing the new actuator it’s a good idea to manually turn the blend door in both directions to ensure it is not stuck which will cause the new actuator to fail.

What’s the difference between old and new blend door motor?

The old blend door motor had a black shaft where the gear is mounted and the new motor, which the dealer installed has a white shaft, where the gear is mounted. Can anybody help me in solving the issue? I have a problem with the blend door motor on the driver side in my Jeep Grand Cherokee 2014.

Where is the gear on a blend door?

I had a broken blend door gear and the dealer replaced the gear and the blend gear motor. The old blend door motor had a black shaft where the gear is mounted and the new motor, which the dealer installed has a white shaft, where the gear is mounted.

Why did my F-150 blend door actuator go out?

If you switch it towards heat a little bit, and the noise stops, your F-150 blend door actuator has gone out. A common issue in these trucks is the failure of the potentiometer that senses when the actuator has turned fully.

Can a heater be removed from a blend door?

If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level.

Why is my Blend door not calibrated properly?