need help
08-03-2009, 10:40 PM
#3
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Year: 1999
Model: Cherokee
Engine: 4.0
What year is your Jeep? Mine is a 99 and does the same thing. I believe the newer Cherokees are vacuume actuated vents, so if yours is a later model, you probably have a vacuume issue.
08-03-2009, 10:50 PM
#4
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Location: Sticks, NC
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Year: 1994
Model: Cherokee
Engine: 4.0
check for vacuum leaks on the rear connections to your climate control and under the hood. your's is almost definitely a vacuum switching control. good luck