GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 44707 T Bar Push Puller
    • J 44736 Bridge and Forcing Screw
    • J 44737 Shift Rail Bearing Remover
    • J 44738 Bearing Remover

    Object Number: 722718  Size: SH
  1. Remove the back-up lamp switch.

  2. Object Number: 663703  Size: SH
  3. Remove the reverse gear idler shaft bracket bolt with the O-ring seal.
  4. Remove and discard the O-ring seal.

  5. Object Number: 663708  Size: SH
  6. Remove the reverse gear idler shaft bracket. Rotate the bracket to aid in removal.

  7. Object Number: 663710  Size: SH
  8. Remove the reverse gear idler shaft.
  9. Remove the reverse idler gear bearings.
  10. Remove the reverse idler gear.

  11. Object Number: 663700  Size: SH
  12. If RWD, remove the mainshaft rear oil seal and discard.

  13. Object Number: 741640  Size: SH
  14. If 4WD, remove the mainshaft rear bearing O-ring seal and discard.

  15. Object Number: 722212  Size: SH

    Important: Only remove the bearings if replacing the bearings. Do not use the bearings again after removal.

  16. Inspect the bearings for damage or wear. Refer to Bearings and Spacers Cleaning and Inspection .
  17. Remove the rear case shift rail bearing using the J 44707  (1) and the J 44737  (2). Expand the J 44737 to fit securely in the bearing.

  18. Object Number: 722211  Size: SH

    Important: Only remove the bearings if replacing the bearings. Do not use the bearings again after removal.

  19. Inspect the bearings for damage or wear. Refer to Bearings and Spacers Cleaning and Inspection .
  20. Remove the countershaft rear bearing from the rear case using the J 44736  (1) and the J 44738  (2). Expand the J 44738 to fit securely in the bearing.