Rear air and heater are not blowing anything

Tiny
WINGARD
  • MEMBER
  • 2007 GMC ACADIA
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
Rear air and heater are not blowing anything. Front works fine.
Saturday, August 10th, 2019 AT 2:00 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More than likely this is a blower motor issue, so I am attaching the info that you will need to help figure this out.

Here is a guide that will help with this type of info:

https://www.2carpros.com/articles/low-or-no-air-flow-from-vents

I suspect you will have to replace the blower if you have power back at the connector. So I am attaching the info to be able to test for voltage at the blower.

https://www.2carpros.com/articles/how-to-check-wiring

If you have voltage, then I attached the instruction on how to replace the motor.

Please run through this and let us know what you find with this.

Thanks
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Tuesday, November 30th, 2021 AT 11:11 AM

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