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2004 Chevrolet Tahoe AC Question

Tiny
BIGPROFITT
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • 5.3L
  • V8
  • RWD
  • AUTOMATIC
  • 178,000 MILES
I have a 2004 Chevrolet Tahoe with dual air. At times the AC in front will turn from cold to hot. Turning the vehicle off and back on normally fixes the problem for a while.

I was watching your YouTube video at http://www.youtube.com/watch?v=Eqf-H3COtSo. Is this blend door what I need to replace to fix this issue?
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Wednesday, September 10th, 2014 AT 11:38 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may just need to have the actuators reset pull fuse ofr 60 seconds with key on then reinstall. The blend door controls temp and it's the actuator most of t he time. But resetting it may fix it.
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Wednesday, September 10th, 2014 AT 12:02 PM
Tiny
BIGPROFITT
  • MEMBER
  • 2 POSTS
It only blows hot on the driver side. I will try doing that with the fuse.

The rear air always blows hot. I believe the actuator for the rear air is in the back left beneath a plastic panel?

Thanks so much for the help.
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Wednesday, September 10th, 2014 AT 12:09 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yes the rear actuator is where yousay it is. Is this thing full of Freon? But it blows cold in one place it must be.
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Wednesday, September 10th, 2014 AT 3:23 PM

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