2004 Pontiac Montana AC and rear heat

Tiny
BRIANGCC1997
  • MEMBER
  • 2004 PONTIAC MONTANA
  • 104,000 MILES
First I have no AC in the van. My wife was driving, said she heard a "clunk" and then the AC cut out. We've had it checked for AC pressure and its fine. This is also affecting the rear vent controls.

Also, in regards to the rear vents, there's a racket made but no air flowing through the vents. Thoughts on that?

Thanks!
Monday, July 29th, 2013 AT 11:29 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Is the blower motor working? Is the ac compressor engaging? Can you check for applicable hvac trouble codes? Some of the national brand autostores will check codes for free.
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Monday, July 29th, 2013 AT 11:49 AM

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