GM Service Manual Online
For 1990-2009 cars only

    Object Number: 749470  Size: SH
  1. Remove the 1-2 reverse carrier thrust washer (590).
  2. Remove the 1-2 reverse carrier gear assembly (591).
  3. Remove the 1-2 reverse internal gear thrust washer (590).

  4. Object Number: 749472  Size: SH
  5. Remove the 1-2 reverse internal gear front thrust bearing assembly (593).
  6. Remove the 1-2 reverse internal gear (594).
  7. Important: Depending on the production date of the transmission, it may have the 1-2 reverse internal gear shim (596). Early production transmission did not use the shim.

  8. Remove the 1-2 reverse internal gear shim (596), if equipped.
  9. Remove the 1-2 reverse internal gear rear thrust bearing assembly (595), from the 1-2 reverse internal gear (594).