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ac/heat not blowing right

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Old May 25, 2011 | 09:34 PM
  #1  
90cherokeeguy's Avatar
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From: jackson nj
Year: 1990
Model: Cherokee
Engine: 4.0
Default ac/heat not blowing right

the heat/ac on brothers 99 will olny blow through the defrost setting any ideas
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Old May 25, 2011 | 09:42 PM
  #2  
Superfuman's Avatar
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Model: Cherokee
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I had the same issue a while back. Check the vacuum line going to the ball canister in the front bumper. If they get disconnected or have hole, the ac will only blow through the defroster so your windshield doesn't fog up and cause an accident.
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