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
JACOBANDNICKOLAS
MECHANIC
109,709 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.