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Old 07-03-2018, 08:58 AM   #7
MASTERBrian
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Join Date: Jan 2017
Location: Wichita
Posts: 639
Re: No AC on 2003 Suburban

Quote:
Originally Posted by greasemonkey View Post
Glad you got it figured out. I've had a handful of actuators fail on me, and they always went to full heat. It didn't sound likely you would have every actuator fail simultaneously and go full heat mode, but, well...
Thank you for following up with your solution. This will help someone later down the road, I am sure.
Wondering if one or more actuators failed was a concern and part of my initial trouble shooting, but like you say unless they all failed it wouldn't explain no cold air. I also was wondering about the head unit, but again wouldn't explain why no cold I the rear because I do believe the front controls and actuators are totally separate from the rear unit. Correct me if I'm wrong.
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