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Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Old Aug 1, 2022 | 05:52 PM
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ciduncan
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Joined: Aug 2022
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Model: Cherokee (XJ)
Default HVAC
Heat and air only come out of defrost how do I fix this?
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Old Aug 1, 2022 | 07:25 PM
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4.3L XJ's Avatar
4.3L XJ
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From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
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You have a vacuum leak and the system is defaulting to defrost. First place to check is the vacuum reservoir behind the front bumper
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