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Air conditioner fan issue

Tiny
JORDANBALL341
  • MEMBER
  • 2007 AUDI A4
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
My car has two cooling fans. The driver side is bigger. When I turn my air conditioner on the passenger side fan does not go on and the driver side runs on maximum speed. It has never done this before. I also notice the cooling does not work like it did before, but still manage to cool but longer. I think the driver side fan is picking up slack working twice as hard and I fear it my damage it.
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Wednesday, July 6th, 2016 AT 3:15 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You could be right. Someone has to follow a wiring diagram to determine if and where there may be a problem.
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Wednesday, July 6th, 2016 AT 3:28 PM
Tiny
JORDANBALL341
  • MEMBER
  • 2 POSTS
Any possible reason why?
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Wednesday, July 6th, 2016 AT 3:38 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
There are a dozen different possible causes. Bad motor, bad wiring, bad relay, bad computer, bad pressure sensor, etc.
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Wednesday, July 6th, 2016 AT 3:41 PM

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