AC issues

140,000 MILES • V8 • 4WD • AUTOMATIC
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BJ VOGT
  • MEMBER
  • 1 POST
The AC stopped working (in the middle of summer, of course). When I turn the AC on the compressor clutch tries to engage but stops. The relay looks like it is working properly and the system is charged.

I had recently replaced a fuse that was disengaging occasionally, which was causing the driver side portion of the dual zone to stop running AC (would start blowing engine temperature air).

After the AC quit I also noticed that the zone control knob was not working either. No matter which direction I switch it to it always stays on the torso setting for blowing air.

Any thoughts?
Thanks!
Sep 18, 2018 at 3:32 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon.

The first thing I would do is check all the fuses with a test. With the key on, verify power to all the fuses on both sides.

I attached a wire diagram for you to view. Check the pressure switches for power with the key on as well.

Roy

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak
Sep 18, 2018 at 4:44 AM
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