Input Shaft Overview

Input Shaft Overview

• When installing new gears or a new input shaft, refer to => [ Codes Letters, Allocation and Capacities ] Codes Letters, Allocation and Capacities and to the Parts Catalog.

• The input shaft must be adjusted because the position of the tapered roller bearing is affected when parts are replaced. Pay attention to the adjustment overview. Refer to => [ Adjustment Overview ] Adjustment Overview.

• Replace both tapered roller bearings together.

• Heat the toothed gear and synchronizer hub to approximately 100 °C (212 °F) using the inductive heat unit (VAS 6414). Wear safety gloves.






1 Clutch Housing

2 Outer Race/Tapered Roller Bearing

• Removing, refer to => [ Removing the Outer Race/Tapered Roller Bearing ] Input Shaft.

• Installing, refer to => [ Installing the Outer Race/Tapered Roller Bearing ] Input Shaft.

3 Bearing Inner Race/Tapered Roller Bearing

• Removing, refer to => [ Removing the Bearing Inner Race/Taper Roller Bearing ] Input Shaft.

• Installing, refer to => [ Installing the Bearing Inner Race/Taper Roller Bearing ] Input Shaft.

4 Input Shaft

• Adjusting, refer to => [ Input Shaft, Adjusting ] Input Shaft, Adjusting.

5 3rd Gear

• Installed position: The shoulder faces 4th gear.

• Removing, refer to => [ Removing the 3rd Gear ] Input Shaft.

• Installing, refer to => [ Heat the 3rd Gear and Install It ] Input Shaft.

6 Lock Ring

• Always replace.

7 4th Gear

• Removing with the bearing inner race/tapered roller bearing and sleeve. Refer to => [ Removing the 4th Gear with the Tapered Roller Bearing and Sleeve ] Input Shaft.

• Installing, refer to => [ Heat the 4th Gear and Install It ] Input Shaft.

• The shoulder faces 3rd gear.

8 Bearing Inner Race/Tapered Roller Bearing

• Removing with 4th gear and sleeve. Refer to => [ Removing the 4th Gear with the Tapered Roller Bearing and Sleeve ] Input Shaft.

• Installing, refer to => [ Installing the Bearing Inner Race/Tapered Roller Bearing ] Input Shaft.

9 Thrust Washer

10 Outer Race/Tapered Roller Bearing

• Removing, refer to => [ Installing the Outer Race/Tapered Roller Bearing ] Input Shaft.

• Installing, refer to => [ Installing the Outer Race/Tapered Roller Bearing ] Input Shaft.

11 Adjusting Shim

• To select the correct thickness, refer to => [ Input Shaft, Adjusting ] Input Shaft, Adjusting.

12 Transmission Housing

13 Sleeve

• For the 5th gear needle bearing.

• Pressing off with 4th gear drive gear and tapered roller bearing inner race. Refer to => [ Removing the 4th Gear with the Tapered Roller Bearing and Sleeve ] Input Shaft.

• Installing, refer to => [ Pressing on the Sleeve for the 5th Gear Needle Bearing ] Input Shaft.

• Mount before installing the thrust washer - item 9 -.

14 Needle Bearing

• For 5th gear.

15 5th Gear

16 5th Gear Synchronizer Ring

• With cast locking pieces, refer to => [ 5th Gear Synchronizer Ring with Cast Locking Pieces: ] Transmission.

• Checking for wear, refer to => [ Checking the 5th Gear Synchronizer Ring: ] Transmission.

17 Spring

• Installed position, refer to => [ Assembling the 5th Gear Locking Collar/Synchronizer Hub ] Input Shaft.

• Offset spring installed position, refer to => [ Installation of Offset Springs ] Input Shaft.

18 Locking Pieces

• Quantity: 3

• Installed position, refer to => [ 5th Gear Synchronizer ] Input Shaft.

19 5th Gear Synchronizer Hub

• Removing individually, refer to => [ Transmission Housing Cover and 5th Gear ] Transmission Housing Cover and 5th Gear.

• Remove with the transmission housing. Refer to => [ Transmission ] Transmission.

20 5th Gear Locking Collar

• Remove with the 5th gear synchronizer hub - item 19 -.

21 Plate Spring

• Installed position, refer to => [ Installed Position of the Concave Washers for 5th Gear and the 5th Gear Synchronizer Hub Bolts ] Transmission.

22 Bolt

• Tightening specification, see - item 4 - in => [ Transmission Housing Cover and 5th Gear ] Transmission Components Overview.

• Always replace.

• Holds in position with the adapter on the plate spring bolt head. Refer to => [ Installed Position of the Concave Washers for 5th Gear and the 5th Gear Synchronizer Hub Bolts ] Transmission.