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2000 Jeep Cherokee vent system

Tiny
BRYANKE
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
Hi, I have heat and airconditioning. When I turn the selector switch for floor or vents or defrost, nothing moves. Is there a fuse or a relay out that can fis this problem? THANKS
Wednesday, November 25th, 2009 AT 1:36 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
IT sounds like you have a vacuum leak. The vent doors are actuated by vacuum. Check under the dash for a leak and follow the source through the firewall to the engine. If you have the engine running, you may hear a hissing sound from the leak.

Let me know what you find.

Joe
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Saturday, November 28th, 2009 AT 2:05 AM

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