1999 Buick Regal

Tiny
HEAVENLYLULU2U
  • MEMBER
  • 1999 BUICK REGAL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 16,000 MILES
The ac blows cold air on the passenger side but hot air on the driver side
Wednesday, June 10th, 2009 AT 5:06 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
You need to check for vacuum leaks. The vents are actuated by vacuum. If there is a leak, the AC may not be directed to both vents. Check under the dash. With the engine running, listen for hissing sounds that may indicate a leak.
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Saturday, June 27th, 2009 AT 7:25 PM

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