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a/c heat problem

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Old Jan 16, 2016 | 02:35 PM
  #1  
Treonze's Avatar
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Model: Cherokee
Default a/c heat problem

A/c and heat work fine but will only blow from dashboard....not defroster or floor....why
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Old Jan 17, 2016 | 10:45 PM
  #2  
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
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Welcome to CF!

It would be helpful to know which vehicle we're talking about, but check the vacuum supply to the heater. There is a T fitting near the firewall on the passenger's side of the engine compartment.
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