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Blend Door Actuator?

Tiny
RACHELDART
  • MEMBER
  • 1 POST
  • 1999 CHEVROLET TAHOE
  • 0.5L
  • V8
  • 2WD
  • AUTOMATIC
  • 256,000 MILES
Replacing it under dash driver side. It’s on and wires connected but the metal arm with a gromlet won’t stay inside the circle keeps coming out. I do see the gromlet is wore out. What do I do here?
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Thursday, September 24th, 2020 AT 10:35 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Is this the door that you have? Can you post a picture of what you see? Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Roy
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Thursday, September 24th, 2020 AT 10:35 AM (Merged)
Tiny
DAMES
  • MEMBER
  • 1 POST
  • 1999 CHEVROLET TAHOE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
When I push the A/C button the blend door actuator rotates to open the heat door.
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Thursday, September 24th, 2020 AT 10:35 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
Hello,

What happens is the electronics inside the actuator go bad creating this issue. here is a guide to help you fix the problem:

https://www.2carpros.com/articles/replace-blend-door-motor

Please run down this guide and report back. Can you please shoot a quick video with your phone so we can see what's going on, that would be great. You can upload it here with your response.

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Thursday, September 24th, 2020 AT 10:35 AM (Merged)

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