Seals and Gaskets: Description and Operation

Front Final Drive Sealing Rings Assembly Overview





1 Dual-mass flywheel

• Refer to => [ Dual Mass Flywheel ] Dual Mass Flywheel

2 Left flange shaft seal

• Between final drive and transmission housing

• Refer to => [ Left Flange Shaft Seal ] Left Flange Shaft Seal

3 Adjustment shim

• Behind taper roller bearing outer race

4 Taper roller bearing outer race

5 Differential

6 Bolt

• Quantity: 10

• Tightening specification and sequence => [ Tightening specification and sequence, front
final drive cover ]

7 Securing ring

• Replace

8 Right drive flange

• Refer to => [ Right Flange Shaft ] Right Flange Shaft

9 Right flange shaft seal

• Refer to => [ Right Flange Shaft Seal ] Right Flange Shaft Seal

10 Front final drive cover

• Removing and installing, refer to => [ Left Flange Shaft Seal ] Left Flange Shaft Seal

11 O-Ring

• On front final drive cover

• Replace

12 Adjustment shim

• Behind taper roller bearing outer race

13 Taper roller bearing outer race

14 Spring pin

15 Selector shaft lever

16 Selector shaft seal

• Refer to => [ Selector Shaft Seal ] Selector Shaft Seal

17 Bolt

• Quantity: 3

• 10 Nm plus an additional 45° turn

18 Flange shaft, left

• Refer to => [ Left Flange Shaft ] Left Flange Shaft

19 End shield

• Attached to bracket - 20 - and circlip - 21 - on the left flange shaft

20 Mount

• For left flange shaft

• Pressed on to the left flange shaft

21 Securing ring

• For left flange shaft bearing

• Replace

22 Input shaft seal

• Refer to => [ Input Shaft Seal ] Input Shaft Seal

Tightening specification and sequence, front final drive cover





• Replace the front final drive cover bolts.

- Tighten bolts as follows in 3 stages in - 1 to 10 - sequence:

- Pre-tighten to 3 Nm.

- Tighten to 20 Nm.

- Tighten 90° further.