No air flow to defrost vent

Tiny
DKELLOGG1
  • MEMBER
  • 2003 OLDSMOBILE SILHOUETTE
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
Good air flow (heat) dash but not sure about foot (floor) "no air flow to defrost vent".
Wednesday, February 21st, 2018 AT 11:01 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

There is a mode door that controls air flow to the floor and defrost. It is under the right side of the dash. Common failure for this failure.
Picture attached. You can get the replacement at any parts store.

Roy
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Wednesday, February 21st, 2018 AT 11:46 AM

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