For 1990-2009 cars

# RAIN NOISE ON ROOF (INSTALL SOUND DEADENER)

REVISION

THIS BULLETIN IS BEING REVISED TO INCLUDE THE 1994-95 MODEL YEARS AND UPDATE WARRANTY INFORMATION.

PREVIOUS DIVISIONAL PUBLICATION NUMBERS WERE: BUICK 93-10-17 GM OF CANADA 93-10-174 OLDSMOBILE 93-T-45 PONTIAC 93-10-18 ----------------------------------------------------------------------

#### SUBJECT: RAIN NOISE ON THE ROOF (INSTALL SOUND DEADENER PATCHES)

#### MODELS: 1991-95 BUICK LESABRE, PARK AVENUE 1991-92 CADILLAC FLEETWOOD 1991-93 CADILLAC DEVILLE 1991-95 OLDSMOBILE EIGHTY EIGHT, NINETY EIGHT 1991-95 PONTIAC BONNEVILLE

#### CONDITION:

SOME OWNERS MAY COMMENT ON RAIN NOISE ON THE ROOF IN HEAVY RAIN FALLS.

#### CORRECTION:

TO CORRECT THIS CONDITION, LOWER THE HEADLINER AS OUTLINED IN THE APPROPRIATE SERVICE MANUAL. INSTALL SIX SOUND DEADENER PATCHES, P/N 20742581 TO THE ROOF PANEL IN THE LOCATIONS SHOWN IN FIGURE 1. FOR VEHICLES WITH A SUNROOF, IT IS NECESSARY TO TRIM FOUR PATCHES TO A WIDTH OF 7 INCHES AND INSTALL THE FOUR PATCHES BETWEEN THE CROSS CAR RIB SUPPORT. REINSTALL THE HEADLINER.

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: C3108 LABOR TIME: .8 HR. (BUICK/OLDS. C-CAR) .7 HR. (BUICK/OLDS. H-CAR) .8 HR. (PONTIAC H-CAR) 1.1 HR. (CADILLAC 2 DOOR) 1.0 HR. (CADILLAC 4 DOOR) ADD: .2 HR. (WITH SUNROOF)

FIGURES: 1

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.

COPYRIGHT 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.