GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 26958 Output Shaft Aligning & Loading Tool
    • J 26958-10B Adaptor Plug
    • J 25025-7A Dial Indicator Post
    • J 28544 Input Shaft Lifter
    • J 8001 Dial Indicator Set

    Object Number: 15738  Size: SH
  1. Rotate the transmission so that the final drive is facing upward.
  2. Install J 26958-10B and J 26958 onto the case (15).
  3. Hand tighten the knob of J 26958 .

  4. Object Number: 15740  Size: SH
  5. Rotate the transmission so that the case cover (401) is facing upward.
  6. Install J 28544 through the left axle shaft seal (31) and into the input shaft (621). Finger tighten the tool.
  7. Install J 8001 and J 25025-7A .
  8. Push down on the lifter to be sure that the lifter and the input shaft are at the bottom of their travel.
  9. Set the indicator gage at zero.
  10. Pull up the lifter. The reading should be 0.10-0.84 mm (0.004-0.033 in).
  11. Record the reading. Compare the reading to the Input Shaft Selective Snap Ring table in End Play Specifications .
  12. Important: Do not remove J 26958 loading tool.

  13. Remove J 8001 , J 25025-7A , and J 28544 .

Tools Required

    • J 26958 Output Shaft Aligning & Loading Tool
    • J 26958-10B Adaptor Plug
    • J 25025-7A Dial Indicator Post
    • J 28544 Input Shaft Lifter
    • J 8001 Dial Indicator Set

    Object Number: 15738  Size: SH
  1. Rotate the transmission so that the right axle seal (117) is facing upward.
  2. Install J 26958-10B andJ 26958 onto the case (15).
  3. Hand tighten the knob of J 26958 .

  4. Object Number: 15740  Size: SH
  5. Rotate the case (15) so that the transmission case cover (401) is facing upward.
  6. Install J 28544 through the left axle shaft seal (31) and into the input shaft. Finger tighten the tool.
  7. Install J 8001 and J 25025-7A .
  8. Push down on the lifter to be sure that the lifter and the input shaft are at the bottom of their travel.
  9. Set the indicator gage at zero.
  10. Pull up the lifter. The reading should be 0.10-0.84 mm (0.004-0.033 in).
  11. Record the reading. Compare the reading to the Input Shaft Selective Snap Ring table in End Play Specifications for the proper selective snap ring.
  12. Important: Do not remove J 26958 loading tool.

  13. Remove J 8001 , J 25025-7A , and J 28544 .