A/C - Little/No Air Flow From Side Window Defroster Duct
Bulletin: 93-1-11Date: June '93
Ref.No.: 93-153-1
Corp.Ref.No.: 331212
SUBJECT:
LITTLE TO NO AIR FLOW FROM SIDE WINDOW DEFROSTER DUCTS
(SEAL DOOR DUCT MATING SURFACE)
MODELS AFFECTED:
1991-93 LESABRE, PARK AVENUE/ULTRA MODELS
CONDITION:
Little to no air flow from side window defroster ducts in any heat or A/C mode.
CAUSE:
Air flow bleeding off between door pad and side defroster duct due to a variation in mating surfaces.
CORRECTION:
Remove -
1. Door trim pad, refer to service manual procedure in Section 10-6.
2. Side window defroster duct.
3. Seal perimeter of defroster duct at all mating surfaces with RTV silicone.
Install -
1. Defroster duct to door pad.
Notice:
If duct was stapled in place, install with screws, P/N 11515959, (3 screws required for each duct).
2. Door pad to door, refer to service manual procedure in Section 10-6.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
Labor Operation Number: T3341
Labor Time: .9 hrs (both sides)