Shift Shaft and Fork Assemblies Assemble

Special Tools

• J 36850  Transjel Lubricant
• J 39437  Bushing Installer

For equivalent regional tools, refer to Special Tools .

1st/2nd, 3rd/4th Shift Rail Assembly

Fig 1: Identifying Selector Roll Pin, Selector Pin & Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
1. Install the selector pin (2) on the shift shaft (3).
2. Align the roll pin hole on the selector pin with the roll pin hole on the shift shaft.
3. Install the roll pin (1) through the selector pin (2) and the shift shaft (3).
Fig 2: Identifying Interlock Plate & Selector Pin
Courtesy of GENERAL MOTORS COMPANY
NOTE:

The interlock plate fits loosely on the shift shaft and selector pin assembly. Use the J 36850  transjel lubricant to hold the neutral return cam pin in place.

4. Install the interlock plate (1) on the selector pin (2).
Fig 3: Identifying 3rd/4th Shift Fork & Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
5. Install the 3rd/4th shift fork (1) on the shift shaft (2).
Fig 4: Aligning Notch On Shift Link With Shift Interlock Plate
Courtesy of GENERAL MOTORS COMPANY
6. Align the notch on the shift link (2) with the shift interlock plate (1).
Fig 5: Identifying 1st/2nd Shift Fork & Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
7. Install the 1st/2nd shift fork (2) on the shift shaft (1).
Fig 6: Installing 1st/2nd Shift Shaft Link
Courtesy of GENERAL MOTORS COMPANY
8. Install the 1st/2nd shift shaft link (3) beneath the 3rd/4th shift shaft link (1) on the interlock plate and the selector roll pin assembly (2).

5th/6th, Reverse Shift Rail Assembly

Fig 7: View of 5th/6th Shift Shaft Lever Bushings, Lever & J 39437
Courtesy of GENERAL MOTORS COMPANY
1. Install the 5th/6th shift shaft lever bushings (1) and (3) in the 5th/6th shift lever (2) using the J 39437  bushing installer (4) and a hammer.
Fig 8: View Of Retainer Ring & 5th/6th Shift Lever
Courtesy of GENERAL MOTORS COMPANY
2. Install the retainer ring (2) on the 5th/6th shift lever (1).
Fig 9: View Of 5th/6th Shift Lever & Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
3. Install the 5th/6th shift lever (2) on the shift shaft (1).
Fig 10: View Of Reverse Shift Lever On The Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
4. Install the reverse shift lever (2) on the shift shaft (1).
Fig 11: View Of Reverse Lever Roll Pin
Courtesy of GENERAL MOTORS COMPANY
5. Install the reverse lever roll pin (3).
6. Install the reverse collar (2).
7. Install the reverse collar roll pin (1).