Rear Final Drive Overview
Rear Final Drive Overview
Only very specific parts on the rear final drive can be disassembled.
• Currently it is not possible to remove both chambers - item 11 - => [ (Item 11) Left Chamber ] and - item 25 - => [ (Item 25) Right Chamber ] from the final drive.
• This means that is currently not possible to repair any internal components.
1 Bolt
• Always replace if removed
• 50 Nm + 180° additional turn
2 Right Flange Shaft
• Removing and installing, refer to => [ Flange Shaft Seals, Rear Final Drive Removed ] Flange Shaft Seals, Rear Final Drive Removed
• Do not confuse with the left flange shaft; they are different.
3 Ring
• Replace, refer to => [ Flange Shaft Ring ] Flange Shaft Ring
4 ATF Breather Pipe
• For the left chamber
• Clipped to the bleed pipe
5 Gasket
• With a screen
6 Hydraulic Control Unit
• With the All wheel Drive (AWD) pump (V415) and pipes to the chambers
• Removing and installing, refer to => [ Hydraulic Control Unit ] Hydraulic Control Unit
• Disassembling and assembling, refer to => [ Hydraulic Control Unit ] Service and Repair
7 Bolt
• 20 Nm
• M8; 50 mm long
• Quantity: 2
• Follow tightening sequence => [ Attach the hydraulic control unit to the rear final drive as follows: ] Hydraulic Control Unit
8 Bolt
• 20 Nm
• M8; 50 mm long
• With a permanent seal under the bolt head
• Coat the thread with sealant (D 176 501 A1)
• Follow tightening sequence => [ Attach the hydraulic control unit to the rear final drive as follows: ] Hydraulic Control Unit
9 Bolt
• 20 Nm
• M8; 30 mm long
• Follow tightening sequence => [ Attach the hydraulic control unit to the rear final drive as follows: ] Hydraulic Control Unit
10 Shaft Seal
• For the left flange shaft
• Replace, refer to => [ Flange Shaft Seals, Rear Final Drive Removed ] Flange Shaft Seals, Rear Final Drive Removed
11 Left Chamber
12 ATF Check Plug
• 15 Nm
• Always replace if removed
• With a permanent seal
13 Left Flange Shaft
• Removing and installing, refer to => [ Flange Shaft Seals, Rear Final Drive Removed ] Flange Shaft Seals, Rear Final Drive Removed
• Do not confuse with the right flange shaft; they are different.
14 Ring
• Replace, refer to => [ Flange Shaft Ring ] Flange Shaft Ring
15 ATF Drain Plug
• 15 Nm
• Always replace if removed
• With a permanent seal
16 Gear Oil Drain Plug
• 15 Nm
• Always replace if removed
• With a permanent seal
17 Final Drive Housing
18 Shaft Seal
• For the flange/driveshaft
• Replace on the final drive 0BF, refer to => [ Flange/Driveshaft Seal, Rear Final Drive 0BF ] Flange/Driveshaft Seal, Rear Final Drive 0BF
• Replace on the final drive 0BE, refer to => [ Flange/Driveshaft Seal, Rear Final Drive 0BE ] Flange/Driveshaft Seal, Rear Final Drive 0BE
19 Ring
• Replace, refer to => [ Flange/Driveshaft Ring ] Flange/Driveshaft Ring
20 Flange/Driveshaft
• Removing and installing on rear final drive 0BF, refer to => [ Flange/Driveshaft Seal, Rear Final Drive 0BF ] Flange/Driveshaft Seal, Rear Final Drive 0BF
• Removing and installing on rear final drive 0BE, refer to => [ Flange/Driveshaft Seal, Rear Final Drive 0BE ] Flange/Driveshaft Seal, Rear Final Drive 0BE
21 Securing Ring
• Always replace if removed
• Installing => [ Install the locking ring as follows: ] Flange/Driveshaft Seal, Rear Final Drive 0BF
22 Gear Oil Inspection Plug
• 15 Nm
• Always replace if removed
• With a permanent seal
23 Bracket
• For the wiring harness
24 Bolt
• 9 Nm
25 Right Chamber
26 Shaft Seal
• For the right flange shaft
• Replace, refer to => [ Flange Shaft Seals, Rear Final Drive Removed ] Flange Shaft Seals, Rear Final Drive Removed
27 ATF Breather Pipe
• For the right chamber
• Clipped to the bleed pipe
28 Final Drive Bleeder
• Clipped to the bleed pipe