Vent Question

Tiny
LVBBRND
  • MEMBER
  • 2002 DODGE DAKOTA
Brakes problem
2002 Dodge Dakota V8 Two Wheel Drive Automatic

The air blows out the defrost and one vent and the floor why?
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Thursday, July 29th, 2010 AT 8:51 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
You have a vacuum leak. The air flow is directed by doors in the HVAC system. The doors are actuated by engine vacuum through small plastic hoses. If there is a leak, this is what happens.

Check under the dash for broken or disconnected vacuum hoses. If you are lucky, with the engine running, you may hear a hissing. Also, if you find nothing under the dash, check under the hood. That is where the vacuum comes from.

Let me know what you find or if you have other questions.

Joe
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Sunday, August 15th, 2010 AT 11:15 PM

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