REAR DOOR GLASS CHATTER (ATTACH LOW FRICTION TAPE)

SUBJECT: REAR DOOR GLASS CHATTER-ATTACH LOW FRICTION TAPE ON DOOR GLASS EDGES

MODELS/YEARS: 1992 ACHIEVA SEDAN

CONDITION:

---------- Some 1992 Achieva sedans may exhibit rear door glass chatter upon operation of rear electric windows.

CAUSE:

------ Excessive friction between glass and upper and lower run channels, resulting in an erratic glass movement known as glass chatter.

CORRECTION:

----------- Attach six pieces of low friction segmented tape, Kit P/N 22586239, on rear door glass edges per following procedure:

A. Remove rear door glass per 1992 Achieva Service Manual procedure. B. Clean glass edges wit 3M 08984 all purpose cleaner, or equivalent. C. Attach low friction segmented insulator tape as follows:

1. Brown strip to be used on the front edge of glass, (P/N 22585829) is part of kit P/N 22586239. 2. White strip with hole punched in backing paper, P/N 22585830 is to be used on rear edge of the glass. The side of tape with a hole punched in the backing paper is the narrow side. That side should be applied to the outside surface of glass. 3. Remove protective backing from tape. 4. Begin by placing the first strip of tape approximately 5.0 mm from the corner at the top of glass as shown in the illustration. 5. Allow 5.0 mm clearance between tape strips. 6. Reinstall the rear door glass in the vehicle. 7. Repeat procedure on opposite side of glass.

See the current Labor Time Guide for warranty information. Parts are currently available from GMSPO.

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.