GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • DT 48802 Bearing Installer
    • J 8092 Drive Handle
    • J 21426 Outer Output Shaft Seal Installer
    • J 36190 Universal Driver Handle
    • J 39437 Bushing Installer
    • J 39439-3 Rear Case Bushing Installer
    • J 39546 Bearing Race Installer
        For equivalent regional tools, refer to Special Tools.

    Object Number: 1938448  Size: SH
  1. Using J 36190 universal driver handle  (1) and J 39439-3 bushing installer  (2), install the extension housing bearing.

  2. Object Number: 1938449  Size: SH
  3. Snap the oil funnel into the NEW extension housing countershaft bearing.
  4. Using J 36190 universal driver handle  (1) and DT 48802 bearing installer  (2), install the NEW extension housing countershaft bearing.

  5. Object Number: 1887611  Size: SH
  6. Install the mainshaft bearing race, using the J 39546 race installer  (1) and the J 8092 drive handle  (2).

  7. Object Number: 1887612  Size: SH
  8. Install the mainshaft bearing race retainer ring.

  9. Object Number: 1887613  Size: SH
  10. Install the output shaft inner and outer seals using the J 21426 seal installer .

  11. Object Number: 38436  Size: SH
  12. Apply sealer GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the transmission case drain plug.
  13. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1887614  Size: SH
  14. Install the transmission case drain plug and tighten to 18 N·m (13 Ib ft).