Air not blowing out vents
Thread Starter
Senior Member
Joined: Apr 2010
Posts: 926
Likes: 6
From: Raleigh, N.C.
Year: 1986
Engine: 2.8 V6
Air not blowing out vents
The vents in my cherokee arent blowing out any air at all, hot nor cold. The defroster works and it does blow from the top of the dash but not from any of the 4 vents, any ideas? I gave up
Senior Member
Joined: Mar 2011
Posts: 503
Likes: 0
From: Louisville, KY
Year: 2000
Model: Cherokee
Engine: 4.0
Vent direction is controlled by vacuum. It has nothing to do with air conditioning specifically. Directs heat as well as air. If you have only air coming out of the defroster, you have a vacuum leak. Start at the vacuum ball behind the driver side front bumper and trace your line back to thew driver side of the firewall where it enters the cabin.
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