2004 Ford F 250 Al Airflow Comes Out Defrost Vents Regardless Which Setting

2004 FORD F-250
89,690 MILES
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EDFORD
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  • 1 POST
al of the airflow comes out of the defrost vents regardless which setting is chosen
Oct 20, 2012 at 5:35 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
check for vacuum leaks under the hood to inside the truck.

there are mode doors that can get jammed with debris. they need to be checked.


Roy
Oct 20, 2012 at 5:37 PM
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RIVERMIKERAT
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edford, can you hear anything moving in the airbox under the dash when you change from heater to vent to AC to defrost? Also check to make sure all cables, wires, and vacuum connectors are properly connected.
Oct 23, 2012 at 12:47 PM
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