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1993 Oldsmobile Cutlass hey

Tiny
SHERRIG26
  • MEMBER
  • 1993 OLDSMOBILE CUTLASS
Air Conditioning problem
1993 Oldsmobile Cutlass 6 cyl Front Wheel Drive Automatic

my airconditionong is coming through my defrost and not through my vents. What could be the problem? Thank you
Saturday, June 20th, 2009 AT 12:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
The air is directed by vent doors that are actuated by vacuum. Chances are there is a vacuum leak under the dash or from the supply at the engine. Check under the dash first. With the engine running, you may hear a hissing sound to indicate there is a leak.
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Monday, August 10th, 2009 AT 12:44 AM

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