For 1990-2009 cars

# INFO. ON CASE EXTENSION BUSHING REPLACEMENT

#### SUBJECT: INFORMATION ON CASE EXTENSION BUSHING REPLACEMENT

#### MODELS: 1998 CHEVROLET CAMARO 1998 PONTIAC FIREBIRD

1998 CHEVROLET AND GMC C, G, M, S MODELS 1998 HOLDEN T WITH HYDRA-MATIC 4L60-E TRANSMISSION (RPO M30)

TRANSMISSIONS BUILT BETWEEN JANUARY 5, 1998 AND APRIL 6, 1998 (JULIAN DATES 005 THROUGH 096) WERE BUILT WITH ONE OF TWO STYLES OF EXTENSION ASSEMBLIES, WITH DIFFERENT BUSHINGS.

THE BUSHINGS ARE NOT INTERCHANGEABLE.

FOR REPLACEMENT OF THE EXTENSION BUSHING, REMOVE THE EXTENSION ASSEMBLY AND INSPECT THE INTERIOR FOR THE PRESENCE OF THREE INTERNAL RIBS. (FIGURE 1)

EXTENSION ASSEMBLIES WITH INTERNAL RIBS USE TEFLON(R) BUSHING, P/N 24207915. (FIGURE 2)

EXTENSION ASSEMBLIES WITHOUT INTERNAL RIBS USE BRONZE BUSHING, P/N 6260048. (FIGURE 2)

#### NOTICE: FAILURE TO FOLLOW THE ABOVE INSTRUCTIONS MAY RESULT IN TRANSMISSION DAMAGE.

EXTENSION ASSEMBLIES WITH INTERNAL RIBS AND TEFLON(R) BUSHING WILL BACK SERVICE 2-PIECE CASE APPLICATIONS FROM 1996 TO 1998.

FIGURES: 02 ATTACHMENTS: 00

FIGURE 1 - PREVIUS AND CURRENT CASE EXTENSIONS FIGURE 2 - PREVIOUS AND CURRENT CASE EXTENSION BUSHINGS

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 1998. GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.