POPPING, BANGING, RATTLING ON HARD ACCELERATION. Buick Century 1995

SUBJECT: POPPING, BANGING, RATTLING ON HARD ACCELERATION (REPLACE EXHAUST PIPE WITH CONVERTER ASSEMBLY)

MODELS: 1995 BUICK CENTURY (BEFORE VIN 1G4AG53M6S6486773) 1995 OLDSMOBILE CUTLASS CIERA (BEFORE VIN 1G3AJ55M6S6399250) WITH 3100 V6 ENGINE (VIN M - RPO L82)

CONDITION:

SOME OWNERS MAY COMMENT ON A POPPING, BANGING, RATTLING NOISE ON HARD ACCELERATION.

CAUSE:

THE EXHAUST PIPE FROM THE EXHAUST MANIFOLD CONTACTS THE FRAME RAIL UNDER HARD ACCELERATION.

CORRECTION:

FOR VEHICLES BUILT PRIOR TO THE VEHICLE IDENTIFICATION NUMBERS LISTED ABOVE, THIS CONDITION CAN BE REPAIRED BY REPLACING THE EXHAUST MANIFOLD PIPE WITH CONVERTER ASSEMBLY, P/N 24503701, WHICH ALSO REQUIRES AN OXYGEN SENSOR LOCATION PLUG, P/N 25509274.

PARTS INFORMATION

QTY P/N NAME

1 24503701 CONVERTER ASSEMBLY WITH EXHAUST MANIFOLD PIPE

1 25509274 PLUG

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR CODE: L2300 CONVERTER, REPLACE LABOR TIME: USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 0 ATTACHMENTS: 0

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.