INFO. ON OIL PUMP - DRIVEN SHAFT AND TURBINE SHAFT

SUBJECT: INFORMATION ON OIL PUMP-DRIVEN SHAFT AND TURBINE SHAFT SERVICE PARTS

MODELS: 1993 CADILLAC ALLANTE, ELDORADO, SEVILLE

TRANSAXLE APPLICATIONS: HYDRA-MATIC 4T80-E (RPO MH1)

STARTING MAY 19, 1993 (JULIAN DATE 139) ALL HYDRA-MATIC 4T80-E UNITS (FIGURE 1) WERE BUILT WITH A NEW STYLE OIL PUMP-DRIVEN SHAFT (207) AND TURBINE SHAFT (410).

(FIGURE 2) WHEN SERVICING THE OIL PUMP DRIVEN SHAFT (207) OR THE TURBINE SHAFT (410) IN A 1993 HYDRA-MATIC 4T80E UNIT BUILT BEFORE THIS DATE, YOU MUST REPLACE THESE PARTS WITH SERVICE KIT (24202213).

THE PREVIOUS STYLE SHAFTS ARE NOT INTERCHANGEABLE WITH THE CURRENT SHAFTS.

THIS NEW SERVICE KIT CONTAINS A NEW TURBINE SHAFT, SNAP RING, OIL PUMP DRIVEN SHAFT AND A TURBINE SHAFT O-RING SEAL. THE STACK UP BETWEEN THE TURBINE SHAFT AND PUMP SHAFT IS CRITICAL.

SERVICE PARTS INFORMATION:

NEW PART NUMBER DESCRIPTION MODELS

24202213 PACKAGE-TURBINE SHAFT/ ALL 1993 PUMP SHAFT

PARTS ARE CURRENTLY AVAILABLE AT GMSPO.

FIGURES: 2 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 OCCURRING 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 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 1994. GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.