Air conditioning switch will not change from floor or legs to face or upper vents.

2002 DODGE TRUCK
217,785 MILES • 4.7L • V8 • 2WD • AUTOMATIC
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KENNETH A IDLE
  • MEMBER
  • 1 POST
That's all.
Sep 15, 2014 at 1:41 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
The vent doors are vacuum actuated. Check for vacuum leaks both under the dash and check for the supply that will go through the firewall to the engine. Most likely, there is a leak.
Sep 15, 2014 at 6:23 PM
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