2004 CHRYSLER PACIFICA

  • Tiny
  • rayharris
  • 2004 Chrysler Pacifica
  • 6 CYL
  • AWD
  • automatic
  • 85,000 miles

The heat will not blow out of defrost or floor it only blows on the dash vents. Is there a fuse that runs this or what can I check for?

Tuesday, January 4th, 2011 AT 3:55 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

The air flow is changed by vent doors in the HVAC system. The doors are actuated by engine vacuum. Check for vacuum leaks under the dash. If you are lucky, with the engine running, you may hear a hissing sound from the leak.

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Monday, January 10th, 2011 AT 12:47 AM

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