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2003 F150 Climate Control

vegas78vegas78 Member Posts: 1
edited July 2017 in Ford
When I turn on the AC it will blow air to just the defrost vents and other times it works like it should?


  • thecardoc3thecardoc3 Member Posts: 5,574
    Does your truck have the manual or automatic AC control system? If it is the manual system it operates with vacuum controlled door motors and a system switching to defrost suggests a loss of vacuum. (leak)
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