EXHAUST MOAN/BOOM (INSTALL EXHAUST BRACKETS). Oldsmobile Cutlass Supreme 1996

SUBJECT: EXHAUST MOAN/BOOM (INSTALL EXHAUST BRACKETS AND DAMPENER)

MODELS: 1996 OLDSMOBILE CUTLASS SUPREME 1996 PONTIAC GRAND PRIX WITH 3.4L ENGINE (VIN X - RPO LQ1)

CONDITION:

SOME OWNERS MAY COMMENT ON AN EXHAUST MOAN/BOOM AUDIBLE IN THE VEHICLE PASSENGER COMPARTMENT WHEN THE ENGINE IS OPERATED AT APPROXIMATELY 2300 RPM.

CAUSE:

CONDITION MAY BE DUE TO VEHICLE EXHAUST SYSTEM EXCITED BY ENGINE EXHAUST PULSE INDUCED VIBRATION.

CORRECTION:

FOLLOWING INSTRUCTIONS AND ILLUSTRATIONS CONTAINED IN EXHAUST MOAN SERVICE UNIT, P/N 10294800, INSTALL NEW REAR UPPER MUFFLER HANGER BRACKETS AND EXHAUST DAMPENER ASSEMBLY.

PARTS INFORMATION:

PARTS ARE EXPECTED TO BE AVAILABLE MAY 1, 1997.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: L2008 LAOBR OPERATION TIME: 0.3 HR ADD: 0.6 HR (FOR BRACKET INSTALLATION)

FIGURES: 00 ATTACHMENTS: 00

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.