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Vents not working

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Old 10-22-2009, 07:53 PM
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Year: 1985
Model: Cherokee
Engine: 2.5 FOUR BANGER!
Default Vents not working

So in my '85 XJ the heater/Vent system works fine.
But the directional switch does not.
It stays on Defrost weather I change the switch or not.

It used to work and well now it does not.

-Mikel-
Old 10-22-2009, 07:58 PM
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Year: 1996
Model: Cherokee
Engine: I6 4.0 HO
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You most likely have a vaccum line broken or leaking somewhere.
Old 10-22-2009, 08:11 PM
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Year: 1987
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Engine: 4cyl
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defrost is the safety setting. If it goes bad it will stay on defrost. When I installed my stereo I accidentally knocked the vacuum off the bad of the controls
Old 10-22-2009, 09:35 PM
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did you fix the problem
Old 11-08-2009, 11:28 AM
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I had the same issue, and looked on here for a fix. There's a huge plastic vac line coming from behind the front bumper (there's a can there) and the line routes past the battery and up the fender into the cab. Mine was broke in two right by the battery. I slipped some rubber hose on the ends for a repair and it works like a champ now. Good luck
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