BRIGHTER ODOMETER ILLUMINATION LIGHTPIPE ASSEMBLY CHANGE

CORPORATE ID: 159402

9101T FEBRUARY 1991

SUBJECT: LIGHTPIPE ASSEMBLY CHANGE FOR BRIGHTER ODOMETER ILLUMINATION FOR THE 1991 BUICK C BASE CLUSTERS.

CLUSTERS AFFECTED: 16158954, 16158964, 16158974

FOR IMPROVED CUSTOMER SATISFACTION, THE LIGHTING AROUND THE ODOMETER AREA HAS BEEN MADE BRIGHTER FOR THE 1991 BUICK C GAGE CLUSTERS. THE FOLLOWING PROCEDURE SHOULD BE PERFORMED ON ALL EXCHANGE UNITS CURRENTLY IN INVENTORY AND ALL UNITS RETURNED FOR REPAIR.

1. CHECK THE LIGHTPIPE ASSEMBLY COLORING. IF IT IS A BLUE/GREEN COLOR THEN CONTINUE.

2. CHANGE THE LIGHTPIPE ASSEMBLY ACCORDING TO THE FOLLOWING CHART.

OLD PART NUMBER NEW PART NUMBER DESCRIPTION 25089714 16163258 LIGHTPIPE ASM - MK 25089715 16163260 LIGHTPIPE ASM - KM 25088946 16162937 LIGHTPIPE ASM - K

YOU WILL RECEIVE AN ADDITIONAL .1 HOUR WHEN STEPS 1 AND 2 ARE PERFORMED ON AN IN WARRANTY CLUSTER. WHEN FILLING OUT THE AC-DELCO 1078 FORM, PUT "X" IN THE LABOR CODE COLUMN AND PUT "9101T" IN THE MODEL NUMBER COLUMN.

91-BU-C-02

DE PROPRIETARY COPYRIGHT 1991 DELCO ELECTRONICS CORPORATION. ALL RIGHTS RESERVED.

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.