HVAC not blowing air

2004 CHEVROLET IMPALA
129,000 MILES • 3.9L • V6 • 2WD
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TRULY
  • MEMBER
  • 1 POST
I have the car listed above with a 3.4L and my AC/heat does not blow.
Sep 13, 2020 at 5:58 AM
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ASEMASTER6371
  • Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

The most common cause is the blower motor for this but needs to be verified.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

Do you have a test light or voltmeter to do some testing?

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

I attached a diagram for you to view for our testing.

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

Roy
Sep 13, 2020 at 6:38 AM
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