Air and heat will not blow out in the back, but front is fine?

Tiny
MSLESLIE02
  • MEMBER
  • 2007 CHEVROLET SUBURBAN
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
The air and heat won’t blow out in the back of the truck. The front is working fine.
Sunday, July 17th, 2022 AT 6:37 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
This happens when the rear blower motor goes out, but to be sure we should check the fuses (rear HVAC 30 amp) in the interior fuse panel. If it's okay, here are the instructions on how to change the blower motor out in the diagrams below:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

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Sunday, July 17th, 2022 AT 11:54 AM

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