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heater / air conditioner controls stuck

   
Old 04-05-2009, 01:51 PM
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Year: 1990
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Default heater / air conditioner controls stuck
I have a 1990 Cherokee with air conditioning. The vents are stuck with it on defrost. No matter what position I put the settings on it still blows up thru the defroster.
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Old 04-05-2009, 02:18 PM
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you have a vacuum line loose or broken
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Old 05-23-2009, 11:45 AM
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I know this post is kind of old but....where do these vacuum lines run and any idea which one is broken?
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Old 04-19-2011, 08:07 PM
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There are two vacuum lines that come out of your firewall right under your coolant bottle on the passenger side
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