Front and Rear Door Glass Sash Channel - Attachment
88buick01Bulletin 87-10-12A
Date Jan., '88
Ref. No. 87-093-12A
Corp. Ref. No. 701006R
SUBJECT: MECHANICAL ATTACHMENT OF FRONT AND REAR DOOR GLASS SASH CHANNEL REPLACING BONDED ON METHOD
MODELS AFFECTED: ALL 1987 LESABRES BUILT AFTER VIN 480000 ALL 1987 ELECTRA/PARK AVENUES BUILT AFTER VIN 435882 ALL 1988 LESABRES AND ELECTRA/PARK AVENUES
NOTICE: This bulletin supersedes 87-10-12 to include a new style expandable rivet to prevent recurrence of a rivet to glass click noise.
All 1987-88 LeSabre and Electra/Park Avenues built after above VIN's have a rivet retained door glass sash channel. The subject door glasses should be serviced using the factory installed method. To replace an adhesive retained sash channel or door glass, refer to Section 5C of the 1987 Body Service Manual.
The procedure to replace a rivet retained sash channel is as follows:
Removal (See Illustration)
CAUTION: Safety glasses and work gloves should be worn to reduce the change of personal injury, should the glass break.
1. Remove the door glass as specified in Section 5 of the 1987 Body Service Manual.
2. Place the door glass on a protective surface.
3. Drill out rivets (Item 4) using a 4.8 mm (3/16") drill bit, taking care not to enlarge hole in sash channel. If sash channel is enlarged during drilling operation, a new sash must be used.
4. Remove sash (3) and spacer (2).
Installation
1. Locate spacer (2) to door glass and sash channel (3) to spacer and glass.
2. Align holes in door glass, spacer and sash channel.
3. Connect sash and spacer to glass using a new type expandable rivet, available through GM Service Parts, Part Number 20743322.
4. Install door glass as specified in Section 5 of the 1987 Body Service Manual.