GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 8001 Dial Indicator Set
    • J 24773-A Oil Pump Remover
    • J 25022 End Play Fixture Adapter (245 mm and 258 mm)
    • J 25025-7A Dial Indicator Mounting Post
    • J 34725 End Play Checking Adapter (298 mm)
    • J 43205 End Play Fixture Adapter (300 mm)

    Object Number: 327528  Size: SH

    Note: Torque converter size is model dependent.

  1. Install an end play fixture adapter.
  2. • Use J 25022 adapter (245 mm and 258 mm) for a 245 mm and 258 mm turbine shaft (1).
    • Use J 34725 adapter (298 mm) for a 298 mm turbine shaft (2).
    • Use J 43205 adapter (300 mm) for a 300 mm turbine shaft (3).

    Object Number: 327530  Size: SH
  3. Install the J 24773-A pump remover .

  4. Object Number: 327533  Size: SH
  5. Remove an oil pump bolt.
  6. Install J 25025-7A mounting post (or a 278 mm or 11 in bolt) and lock nut.
  7. Install J 8001 dial indicator set .

  8. Object Number: 1552917  Size: SH
  9. Set the J 8001 dial indicator set to zero.
  10. Pull up on J 24773-A pump remover .
  11. Proper end play should be 0.13-0.92 mm (0.005-0.036 in).

  12. The selective thrust washer (616), which controls the end play, is located between the input housing (621) and the thrust bearing (615) on the oil pump hub.
  13. If the end play measurement is incorrect, refer to End Play Specifications. Choose a new selective thrust washer (616) based on the original selective washer and the information contained in the table.

    If the dial indicator shows no end play, the selective thrust washer (616) and thrust bearing (615) may have been misassembled.

  14. Correct the end play by changing the selective thrust washer (616).