Mode door actuator CAM alignment

Tiny
THOM T
  • MEMBER
  • 2013 CHEVROLET MALIBU
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 79,000 MILES
One of the HVAC door gears was stripped and needed to be replaced. Because of the location it’s hard to tell what the proper alignment should be when I replaced them. Do you have a diagram showing me the positions of the gears when installed? The proper alignment so the defrost works.
Monday, August 4th, 2025 AT 6:41 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Yes, the gear has a little notch on it so that must be aligned with pivot gear. Here is a diagram to help with the repair. Check out the images (below). Let us know what you find.
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Tuesday, August 5th, 2025 AT 9:46 AM

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