Remove/install rear axle differential

AR35.31-P-0520PF

Remove/install rear axle differential

16.11.09

20.3.04

Oil filler/drain screw on rear axle differential modified

Phased in as of 19.01.04

 The oil filler screws and oil drain screws should always be replaced after being unscrewed.

The new oil filler screws and drain screws as well as the tapped holes must be cleaned with a special cleaning spray and provided with a special sealing compound.

BT35.31-P-0015-01A

The oil filler screw should always be replaced after being unscrewed from the rear axle differential.

The new oil filler screw as well as the tapped hole must be cleaned with a special cleaning spray and the oil filler screw provided with a special sealing compound

 Only carry out oil level check at interior temperature.

AR35.31-P-0520-03I

 

Remove/install

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Lift/jack up vehicle

AR00.60-P-1000P

2

Remove exhaust heat shield (105c)

3

Remove bolts on propeller shaft intermediate bearing (106a)

 Bolt, propeller shaft intermediate bearing to frame floor assembly

*BA41.40-P-1001-01A

4

Remove rear propeller shaft (106) from rear axle differential (50)

 The flexible coupling remains on the propeller shaft.

AR41.10-P-0050-03EF

 Installation: Connect rear propeller shaft to rear axle differential

AR41.10-P-0050-04EF

 Self-locking nut, flexible coupling to rear axle differential

*BA41.10-P-1002-01A

5

Slacken flexible coupling fitted sleeves on flange.

AR41.10-P-0050-09DF



Drift for loosening fitting sleeves in flex disks.

WF58.50-P-4110-01A

6

Remove rear axle shaft (37) on left and right

AR35.30-P-0620PF

7

Support final-drive unit.

 Secure against falling.

 Assembly attachment

*140589016200

8

Remove bolts of rear center assembly mounting (50a).

 Self-locking bolt, rear axle differential at rear to rear axle carrier

*BA35.10-P-1004-01A

9

Remove bolt of front center assembly mounting (53)

 Installation: Attach front center assembly mounting

AR35.10-P-0050-01AF

 Self-locking nut, rear axle differential at front to rear axle carrier

*BA35.10-P-1003-01A

10

Drain rear axle center assembly.

 On vehicles with plugged in rear axle shaft in the rear axle center assembly

In the process detach rear axle center assembly to the right from the left rear axle shaft. Ensure that no rear axle oil runs out when removing: 

Extract/press in rear axle shaft from rear axle differential

AR35.30-P-0620-02PF

11

Install in the reverse order

12

Replace breather

 Torque specification for screw-on vent valves.

*BA35.31-P-1003-02B

13

Check oil level in rear axle differential and correct if necessary

 Mixing of old universal hypoid gear oil and the new FE hypoid gear oil should be avoided due to the better fuel economy.

AR35.31-P-0520-03I

 Filling capacity of rear axle differential

*BF35.31-P-1001-01K

Cleaning spray, Loctite 7063 (150ml)

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

 Oil filler screw for rear axle differential

*BA35.31-P-1001-02B



Oil filler/drain screw on rear axle differential modified

Phased in as of 19.01.04

BT35.31-P-0015-01A

Number

Designation

Model
203

BA41.10-P-1002-01A

Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential.

M10

Nm

40

M12

Nm

60

Number

Designation

Model 203

BA41.40-P-1001-01A

Bolt, propeller shaft intermediate bearing to frame floor assembly

Self-tapping screw

Nm

-

Bolt with washer

Nm

-

Bolt with collar and self-centering tip

Nm

30

Bolt with collar and without self-centering tip

Nm

-

Number

Designation

Model 203

BA35.10-P-1003-01A

Self-locking nut, rear axle differential at front to rear axle carrier

Nm

45

BA35.10-P-1004-01A

Self-locking bolt, rear axle differential at rear to rear axle carrier

Nm

110

Number

Designation

Model
203.018/065/
218/265/718

BA35.31-P-1001-02B

Oil filler screw, rear axle differential

Nm

50

BA35.31-P-1002-02B

Oil drain screw, rear axle differential

Nm

50

BA35.31-P-1003-02B

Breather, rear axle differential

Nm

25

Number

Designation

Model
203.018/065/
218/265/718

BF35.31-P-1001-01K

Filling capacity

Rear axle center assembly

Liters

1.6

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

Number

Designation

Order number

BR00.45-Z-1061-01A

Sealant, Omnifit 100H (50 g)

A 002 989 23 71

BR00.45-Z-1046-04A

Cleaning spray, Loctite 7063 (150ml)

A 001 986 71 71 10