Sliding Rear Window - Leaks Water and Rattles

91chevy27

GMC NUMBER: 91-10-169

GROUP: 10A3 Glass

DATE: December, 1991


CORPORATE NUMBER: 161508


SUBJECT: SLIDING REAR WINDOW RATTLES AND LEAKS (INSTALL NEW RUN CHANNELS)

MODELS: 1988 - 1991 C/K TRUCKS


Some owners of 1988-1991 C/K trucks built with a sliding rear window (RPO A28) may comment about water leaks and wind noise from the lower glass run channel and glass rattling in the upper glass run channel.

To correct, it is necessary to replace the lower and the upper glass run channels. The new lower glass run channel has nine off-setting drain holes and a felt-like material has been added to the upper channels.

SERVICE PROCEDURE:

1. Remove lower glass run channel.
2. Remove upper glass run channels.
Note: Lubricate the glass run channels with a multi-purpose lubricant before installing.
3. Install lower glass run channel.
4. Install upper glass run channels.

SERVICE PARTS INFORMATION:

Part
Number Description Quantity

15691079 Upper Glass Run Channel 2
15691080 Lower Glass Run Channel 1


Parts are expected to be available on 11/25/91. In case of limited inventory, parts will be placed on 400 control to waive VIP surcharges. Only verifiable emergency orders will be accepted. SPO will make every effort to obtain parts. However, the part will be shipped premium transportation at the dealer's expense and all other order types will be placed on backorder until the 400 control is removed.

WARRANTY INFORMATION:
For vehicles repaired under warranty, use:

Labor Labor
Operation Description Time

C0670 Glass, Back Sliding 0.2 hrs.
Window - Reseal Right

C0671 Glass, Back Sliding 0.2 hrs.
Window - Reseal Left