Where is the Mode door actuator located?

KIRKY91

MEMBER
2015 CHEVROLET TAHOE
3.8L
V8
4WD
AUTOMATIC
160,000 MILES

Hello, I just replaced my blend door actuator. As well as replace my condenser. However, I am still not getting air out of my front vents. I get air out of the foot and defrost vents though. So I am assuming I need to replace my mode door actuator. Does anyone know where it is located and can provide an image? As well as a part number.

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

To access the mode door actuator, you need to remove the floor duct on the driver's side of the vehicle.

If you look below, I attached the directions for replacing it. (See pics 1 and 2). Once the new one is installed, it will need to be calibrated. Pic 3 below provides the directions for recalibration.

Let me know if this helps or if you have questions.

Take care,

Joe

See pics below.

Images (Click to make bigger)

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Sunday, September 17th, 2023 AT 9:05 PM

KIRKY91

MEMBER
3 POSTS

I did that and still didn’t get anything using the alternate calibration. Can the doors become dislodged or something else block the vents or ducts?

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Friday, October 25th, 2024 AT 12:33 PM

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi,

Yes, they can get stuck or damaged. When you had the actuator out, did you note if you were able to manually move the doors?

Also, most of the time if one is stuck, it will cause the plastic gears in the actuator to make a clicking sound. Do you notice anything like that?

Joe

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Friday, October 25th, 2024 AT 11:18 PM