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: 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: 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: 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: 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: 1st/2nd Shift Shaft Link, 3rd/4th Shift Shaft Link And Selector Roll Pin
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: Installing 5th/6th Shift Shaft Lever Bushings & Lever
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: 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: 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: Reverse Shift Lever & Shift Shaft
Courtesy of GENERAL MOTORS COMPANY
4. Install the reverse shift lever (2) on the shift shaft (1).
Fig 11: Reverse Collar And Roll Pins
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).