Counter Gear Shaft Assemble

Special Tools

• J 5590:  Bearing and Seal Driver
• J 36614:  Bearing Installer

For equivalent regional tools, refer to Special Tools .

Fig 1: View Of Inner Race
Courtesy of GENERAL MOTORS CORP.
1. Using J 5590:  driver and a press or hammer install the inner race (138).
Fig 2: Identifying Snap Ring
Courtesy of GENERAL MOTORS CORP.
2. Select and install a snap ring (142) with a maximum thickness that can be installed to the counter shaft.
Fig 3: View Of 2nd Gear Components
Courtesy of GENERAL MOTORS CORP.
3. Apply lubricant and install the following components:
   • The 2nd gear bearing (135)
   • The 2nd gear (200)
   • The 2nd gear synchronizer inner cone (96)
   • The 2nd gear synchronizer outer cone (97)
   • The 2nd gear outer blocker ring (98)
   • The 1st/2nd gear synchronizer sleeve (117)

     Refer to Adhesives, Fluids, Lubricants, and Sealers  .

Fig 4: Installing 1st/2nd Gear Synchronizer Sleeve
Courtesy of GENERAL MOTORS CORP.
4. Using a hydraulic press and J 36614:  bearing installer, install the 1st/2nd gear synchronizer sleeve with the boss side facing 2nd gear. The synchronizer ring set and transmission clutch hub are to be aligned when installing the transmission clutch hub assembly.
Fig 5: View Of Retaining Ring
Courtesy of GENERAL MOTORS CORP.
NOTE: The retaining ring is a selected fit. Always install a NEW retaining ring.
5. Select the maximum thickness retaining ring that will fit in the groove. Refer to Countershaft Front and Rear Bearing Retaining Ring Specifications .
Fig 6: View Of Snap Ring
Courtesy of GENERAL MOTORS CORP.
6. Install a NEW snap ring.
Fig 7: View Of 1st Gear Synchronizer Cones & 1st Gear Outer/Inner Blocking Ring
Courtesy of GENERAL MOTORS CORP.
7. Apply lubricant and install the following components:
   • The 1st gear outer blocking ring (98)
   • The 1st gear synchronizer outer cone (97)
   • The 1st gear synchronizer inner cone (96)
Fig 8: View Of Reverse Gear Spline, 1st Gear & Bearing
Courtesy of GENERAL MOTORS CORP.
8. Apply lubricant, install and align the 1st gear bearing (134), 1st gear (199) and the reverse gear spline (112).
Fig 9: Installing Reverse Gear Spline
Courtesy of GENERAL MOTORS CORP.
9. Using a hydraulic press and J 36614:  bearing installer, install the reverse gear spline (112).
Fig 10: Identifying Reverse & Counter Gear Components
Courtesy of GENERAL MOTORS CORP.
10. Apply lubricant and install the reverse gear blocking ring (122).
11. Install the ball (194) to the countershaft.
12. Apply lubricant and install the reverse gear bushing bearing (133).
13. Apply lubricant. Align and install the synchronizer sleeve and reverse gear (206) together.
14. Apply lubricant. Install the reverse gear bushing (114) with ball.
15. Install the counter gear front bearing (128) with groove facing forward.
Fig 11: Installing Counter Gear Front Bearing
Courtesy of GENERAL MOTORS CORP.
16. Using a hydraulic press and J 5590:  driver, install the counter gear front bearing.
Fig 12: View Of Retaining Ring
Courtesy of GENERAL MOTORS CORP.
NOTE: The retaining ring is a selected fit. Always install a NEW retaining ring.
17. Select the maximum thickness retaining ring that will fit in the groove. Refer to 1st and 2nd Gear Synchronizer Retaining Ring Specifications .
Fig 13: View Of Counter Gear Front Bearing & Snap Ring
Courtesy of GENERAL MOTORS CORP.
18. Install a NEW snap ring (142).