Still only cold the passenger side

Tiny
KACKME
  • MEMBER
  • 2003 CHEVROLET AVALANCHE
On my truck the a/c - heater. On the driver side doesn't want to blow hot only cold I changed the control unit and still only cold the passenger side will blow cold and hot so what could this be. Thank you
Friday, February 26th, 2010 AT 7:51 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This sounds like a blend door issue so that means we need to start with checking this by removing it and moving the door manually. If it is able to get cold, then the actuator is likely the issue.

I am attaching the process from the manual below but here is a guide that will help with this:

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

Please see the process below and let me know if you have questions.

Thanks
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Wednesday, June 22nd, 2022 AT 6:26 PM

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