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Air conditioning left side air vents

Tiny
BONZI13
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
When AC is turned on the left side air vents on dasboard front blow hot air but all other air vents blow cold air which is normal. Am concerned about the left side of dashboard vents blowing hot air. Need to know cause and solution to the problem.
Thanks much
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Wednesday, June 27th, 2018 AT 10:44 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
Yes, the left hand temperature blend door actuator needs to be replaced. Here is a guide and the location for your car below to help you see how to fix the problem:

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

Check out the actuator diagrams (below). Please let us know what happens.

Cheers, Ken
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Thursday, June 28th, 2018 AT 12:44 PM
Tiny
BONZI13
  • MEMBER
  • 11 POSTS
Thanks very much Ken! The information you sent also the video is invaluable! I am able to do this job. I never have done the job but after reviewing the step by step instructions and video provided by you I do not foresee this project giving me the "blues". Thanks again. Will inform you when job is completed.
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Thursday, June 28th, 2018 AT 4:07 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
Good to hear. Let me know how it goes. :)
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Friday, June 29th, 2018 AT 12:24 PM

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