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A/C Issue

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Old May 14, 2017 | 12:54 AM
  #1  
nixandrew3's Avatar
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Default A/C Issue

I have a 99 XJ that when I crank my jeep it is on Max AC but it blows out the defroster. Sometimes when I'm driving it will so out but then start back working, I noticed that if the air is blowing out of the vent and I accelerate like going up a hill it will go from the top vents to defrost. I'm not really sure my my air and vent selection has intermittent issues
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Old May 14, 2017 | 03:18 AM
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freegdr's Avatar
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
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Sounds like vacuum leak or vacuum ball not holding.
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Old May 14, 2017 | 09:15 AM
  #3  
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Default Ac

Originally Posted by freegdr
Sounds like vacuum leak or vacuum ball not holding.

How can I test ?
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