GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 22912-B Split Plate Bearing Puller
    • J 8433 Two Jaw Puller

    Object Number: 647851  Size: SH

    Important: Do not disassemble the countershaft assembly unless an inspection shows bearing or gear damage.

  1. Remove the countershaft front bearing race using J 22912-B  (1) and J 8433  (2).

  2. Object Number: 647852  Size: SH
  3. Remove the retaining ring from the front of the countershaft.

  4. Object Number: 647853  Size: SH
  5. Remove the following gears one at a time using a hydraulic press from the countershaft:
  6. 3.1. The 6th gear (1)
    3.2. The 5th gear (2)
    3.3. The 4th gear (3)
    3.4. The 3rd gear (4)