Remove/install differential

AR35.31-P-0520V

Remove/install differential

8.3.12

17.6.11

Value changed: filling capacity

Model 171 except Model 171.473

*BF35.31-P-1001-01O

Value changed: filling capacity

*BF35.31-P-1001-01T

 

Remove/install



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

While working on the rear axle care must be taken to ensure that the surfaces of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the of the parts will be reduced.

1

Secure vehicle on vehicle lift

AR00.60-P-0100T

2

Undo threaded connections securing propeller shaft intermediate bearing (2) to frame floor assembly

AR41.10-P-0050V

3

Remove rear stiffening bridge (8)



*BA61.10-P-1008-01A

4

Detach propeller shaft from differential (4)

 The flex disk (3) remains on the propeller shaft.

AR41.10-P-0050V

5

Undo fitting sleeves of flexible coupling (3) on joint flange

AR41.10-P-0050-09V



Drift for loosening fitting sleeves in flex disks.

WF58.50-P-4110-01A

6

Remove left rear axle shaft (5)

AR35.30-P-0620V

7

Detach heat sink from rear axle differential (4)

Model 172.475



*BA35.31-P-1004-02H

8

Prop up rear axle differential (4) using transmission jack and assembly attachment and secure in place using suitable straps

 Assembly attachment

*140589016200

Transmission jack

gotis://H_00.10_01.0

9

Remove bolt (7) of front mounting of rear axle differential (4)

 Installation: Tighten bolt (7), while doing so counterhold self-locking nut or plate with integrated locknut: 

Mount front differential mount suspension

AR35.10-P-0050-01V

Model 171

*BA35.10-P-1003-01A

Model 172

*BA35.10-P-1009-01N

10

Open trunk and remove covering for spare wheel well

11

Remove bolts (6) of the rear mounting of the rear axle center assembly (4)

 On model 171.473, 172, only the right bolt (6) can be removed through the spare wheel well. The left bolt (6) is accessible from below.

Model 171

*BA35.10-P-1004-01A

Model 172

*BA35.10-P-1006-01N

12

Lower and remove rear axle center assembly (4)

 In doing so pull rear axle center assembly (4) to left of the right-hand rear axle shaft (5). Ensure that no rear axle oil runs out when removing:



Pull out, press in rear axle shaft (5) at rear axle center assembly (4)

AR35.30-P-0620-02V

13.1

Install new breather of rear axle center assembly (4).

Model 171

 Remove dirt from housing surface around the breather before removal using suitable cleaning agent and make sure that dirt does not penetrate into the breather housing opening. Damage can otherwise occur inside the rear axle differential (4).

 Rear axle differential (4) Ø 198 mm:
Unscrew breather from rear axle differential (4).

 Rear axle differential (4) Ø 198 mm

*BA35.31-P-1005-02C

 Rear axle differential (4) Ø 187 mm, 200 mm, 215 mm:
Knock breather using suitable tool (e.g. drift, screwdriver) uniformly out of rear axle differential (4).

 Installation: Ensure breather is correctly seated in rear axle differential (4).

13.2

Check rear axle differential (4) breather for signs of leakage, replace if necessary

Model 172

 Remove dirt from breather before removal using suitable cleaning agent and make sure that dirt does not enter the breather. Damage can otherwise occur inside the rear axle differential (4).

14

Install in the reverse order

15

Check oil level in rear axle differential (4) and correct if necessary

AR35.31-P-0520-03V

Model 171

*BA35.31-P-1002-02C

Model 172

*BA35.31-P-1002-02H

Model 171

*BF35.31-P-1001-01O

Model 172

*BF35.31-P-1001-01T

Loctite 7063 cleaning spray

*BR00.45-Z-1046-04A

Omnifit 100H cleaning compound

*BR00.45-Z-1061-01A

Number

Designation

Model 171

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
172

BA35.10-P-1006-01N

Bolt, rear axle differential to rear crossmember

Nm

110

BA35.10-P-1009-01N

Bolt, rear axle differential to front crossmember

Nm

43

Number

Designation

Model
171
except Model
171.473

Model
171.473

BA35.31-P-1002-02C

Oil filler screw, differential

Nm

50

50

BA35.31-P-1005-02C

Breather, rear axle differential

Nm

25

25

Number

Designation

Model
172

BA35.31-P-1002-02H

Oil filler screw, differential

Nm

50

BA35.31-P-1004-02H

Bolt, heat sink to end cover

Nm

35

Number

Designation

Model 171

Model
172

BA61.10-P-1008-01A

Collar bolt, rear reinforcement bridge to frame floor

Nm

23

20

Number

Designation

Model
171 except Model
171.473

BF35.31-P-1001-01O

Filling capacity

Differential

187 FE, 187 mm dia.

Liters

0.95

dia. 198 mm

Liters

1.1

200 FE, 200 mm dia.

Liters

1.1

215 FE, 215 mm dia.

Liters

-

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

Number

Designation

Model 171.473

BF35.31-P-1001-01O

Filling capacity

Differential

187 FE, 187 mm dia.

Liters

-

dia. 198 mm

Liters

-

200 FE, 200 mm dia.

Liters

-

215 FE, 215 mm dia.

Liters

1.2

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-61A

Number

Designation

Model 172
except
model 172.475
with code 471

Model 172.475
with code 471

BF35.31-P-1001-01T

Filling capacity

Differential 187 FE, Ø 187 mm

Liters

0.95

-

Sheet

BB00.40-P-0235-07A

-

Differential 200 FE, Ø 200 mm

Liters

1.1

-

Sheet

BB00.40-P-0235-07A

-

Differential 215 FE, Ø 215 mm

Liters

1.2

1.2

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-61A

Number

Designation

Order number

BR00.45-Z-1061-01A

Sealant, Omnifit 100H (50 g)

A 002 989 23 71

BR00.45-Z-1046-04A

Loctite 7063 cleaning spray (150 ml)

A 001 986 71 71 10