HVAC not blowing air

Tiny
TRULY
  • MEMBER
  • 2004 CHEVROLET IMPALA
  • 3.9L
  • V6
  • 2WD
  • 129,000 MILES
I have the car listed above with a 3.4L and my AC/heat does not blow.
Sunday, September 13th, 2020 AT 12:58 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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
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Sunday, September 13th, 2020 AT 1:38 PM

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