IMPROPER SEATING OF SIDE DOOR WINDOW (NEW SEATING CLIP)

SUBJECT: IMPROPER SEATING OF SIDE DOOR WINDOW (NEW WINDOW CHANNEL SEATING CLIP) (Revised to Correct Part Number)

VEHICLES AFFECTED: 1988-90 C/K TRUCKS

Some 1988-90 C/K Trucks may experience a condition where the window will not seal properly in the window channel when raising the window at highway speed ABOVE 72 KPS (45 MPH). This condition can create poor window seal and customer comments regarding increased wind noise.

TO CORRECT THIS CONDITION:

A new window channel clip with a revised ramp angle has been released.

REPAIR PROCEDURE:

1. Roll down window.

2. Pull back window weatherstrip to expose channel clip rivets.

3. Drill out rivets and remove channel clip.

4. Position new channel clip where old one was and rivet using rivet part number #15562787 or comparable.

5. Reposition weatherstrip.

PARTS INFORMATION:

P/N Description Quantity Required ----- ------------------ ----------------- 15667246 CHANNEL CLIP SIDE WINDOW 1 per door

15562787 RIVET (1/8" X 1/4" or longer 2 per door

Use the most applicable Labour Operation and Time from the Canadian Labour Time Guide. 0300b/79

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.