Center Stop Lamp - Contacts Rear Window

91chevy24

Number: 91-415-10

Section: 10

Date: SEPT. 1991

Corporate Bulletin No.: 131034

ASE No.: B1


Subject: CENTER HIGH MOUNTED STOP LAMP CONTACTS REAR WINDOW


Model and Year: 1991 BERETTA


Condition: Owners of some 1991 Beretta models may comment on a rattling noise coming from the Center High Mounted Stop Lamps (CHMSL) when experiencing rough road conditions.

Cause: The CHMSL loosens from the support because the current CHMSL mounting screws cannot be tightened enough to provide the proper clamping load without stripping. The rattling noise is caused by a vibration that originates from the rear wheels and is transmitted to the rear shelf panel. This vibration causes the loose CHMSL to contact the rear window and create the noise.

Correction: Replace current CHMSL 4.2 mm mounting screws with new 4.8 mm screws, P/N 11505446. Position CHMSL fully forward on the support before inserting and tightening new mounting screws. Tighten screws securely without stripping.

Parts are currently available from GMSPO.

Labor Operation Number: N1600