TORQUE CONVERTER SHRUDDER / CHUGGLE ON TCC

SUBJECT: TORQUE CONVERTER SHUDDER/CHUGGLE ON TCC APPLY (REPLACE TORQUE CONVERTER)

MODELS: 1994 CHEVROLET CAMARO 1994 PONTIAC FIREBIRD WITH 3.4L ENGINE (VIN S - RPO L32) AND HYDRA-MATIC 4L60-E (RPO M30)

CONDITION: (FIGURE 1)

SOME OWNERS OF THE LISTED VEHICLES, BUILT BEFORE FEBRUARY 1, 1994 MAY COMMENT AN AUDIBLE DRIVELINE DISTURBANCE WHICH CAN BE HEARD AND FELT IN THE REAR OF THE VEHICLE WHILE IN FOURTH GEAR WHEN THE TORQUE CONVERTER CLUTCH ENGAGES OR DISENGAGES.

THIS CONDITION CAN BE DUPLICATED WHEN THE VEHICLE IS UP TO OPERATING TEMPERATURE AND DRIVEN IN FOURTH GEAR. TAKE YOUR FOOT OFF THE ACCELERATOR AND YOU WILL FEEL IT AND HEAR IT. IF YOU REAPPLY THE ACCELERATOR, YOU WILL HEAR IT AND FEEL IT AGAIN ONLY LOUDER. THIS CONDITION DOES NOT OCCUR WHEN TCC IS FULLY LOCKED.

CAUSE:

INADEQUATE DAMPENING OF THE TORQUE CONVERTER CLUTCH AND/OR DEGRADED TCC FRICTION MATERIAL.

CORRECTION:

REPLACE THE TORQUE CONVERTER.

SERVICE PARTS INFORMATION

NEW PART NUMBER DESCRIPTION

24202947 TORQUE CONVERTER ASM

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION

LABOR CODE: K7020 LABOR TIME: USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 1 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.

COPYRIGHT 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.