Tools Required

J 22912-B  Split Plate Bearing Puller

Fig 1: View Of Counter Gear Front Bearing & Snap Ring
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Inspect the countershaft gear subassembly before disassemble. Refer to Gears and Shafts Cleaning and Inspection .
1. Remove the snap ring (142) from the countershaft above the counter gear front bearing (128). Discard the snap ring (142).
Fig 2: Removing Counter Gear Front Bearing & Reverse Synchronizer Assembly
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Place the edge of gear on press plate.
2. Using a hydraulic press and J 22912-B  , remove the counter gear front bearing and reverse synchronizer assembly as a unit.
Fig 3: View Of Reverse Gear Components
Courtesy of GENERAL MOTORS CORP.
3. Remove the following components as an assembly:
   • the counter gear front bearing (128)
   • the reverse gear bushing (114)
   • the reverse gear (206)
   • the reverse gear bearing (133)
   • the reverse gear blocking ring (122)
4. Using a magnet, remove the locking ball (194) from the countershaft.
Fig 4: Removing Reverse Gear Spline & 1st Gear
Courtesy of GENERAL MOTORS CORP.
5. Using a hydraulic press and J 22912-B  , remove the reverse gear spline and 1st gear as a unit.
Fig 5: View Of Reverse Gear Spline, 1st Gear & Bearing
Courtesy of GENERAL MOTORS CORP.
6. Remove the reverse gear spline (112).
7. Remove the 1st gear (199).
8. Remove the 1st gear bearing (134).
Fig 6: View Of 1st Gear Synchronizer Cones & 1st Gear Outer/Inner Blocking Ring
Courtesy of GENERAL MOTORS CORP.
9. Remove the 1st gear synchronizer inner cone (96).
10. Remove the 1st gear synchronizer outer cone (97).
11. Remove the 1st gear outer blocking ring (98).
Fig 7: View Of Snap Ring
Courtesy of GENERAL MOTORS CORP.
12. Remove the snap ring and discard.
Fig 8: Removing 2nd Gear & 1-2 Synchronizer Assembly
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Place the edge of gear on press plate.
13. Using a hydraulic press, remove the 2nd gear and the 1-2 synchronizer assembly as a unit.
Fig 9: View of 1st/2nd Gear Assembly
Courtesy of GENERAL MOTORS CORP.
14. Remove the following components as an assembly:
    • The 1st/2nd gear synchronizer sleeve (117)
    • The 2nd gear outer blocking ring (98)
    • The 2nd gear synchronizer outer cone (97)
    • The 2nd gear synchronizer inner cone (96)
    • The 2nd gear (200)
    • The 2nd gear bearing (135)
    • The snap ring (142)
Fig 10: View of J 22912-B and Hydraulic Press
Courtesy of GENERAL MOTORS CORP.
15. Using J 22912-B  and a hydraulic press, remove the cylindrical roller bearing inner race.