Remove/install radial sealing ring of rear axle shaft at rear axle housing

AR35.31-P-0541V

Remove/install radial sealing ring of rear axle shaft at rear axle housing

17.1.12

17.1.12

Value modified: Filling capacity, Sheet

Model 172.475 with code 471

*BF35.31-P-1001-01T



Removing

 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

 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 parts is reduced.

1

Raise vehicle

AR00.60-P-1000V

2

Drain oil from rear axle differential

AR35.31-P-0520-06V

 Model 171

*BA35.31-P-1003-02C

 Model 172

*BA35.31-P-1003-02H

Omnifit 100H cleaning compound

*BR00.45-Z-1061-01A

Loctite 7063 cleaning spray

*BR00.45-Z-1046-04A

3

Remove left or right rear axle shaft (2)

AR35.30-P-0620V

4

Using a suitable screwdriver, press the radial sealing ring (3) out of the rear axle center assembly

 Do not damage the seat surface of the radial sealing ring (3) in the rear axle differential. The leaktightness and perfect seating of the radial sealing ring (3) can otherwise not be guaranteed.

5.1

Replace rear axle differential breather

Model 171

 Clean the housing surface around the breather before removal and make sure that no dirt enters the housing opening of the breather. Otherwise damage may occur inside the rear axle differential.

 Rear axle center assembly Ø 198 mm:
Unscrew breather from rear axle center assembly.

 Rear axle differential dia. 198 mm

*BA35.31-P-1005-02C

 Rear axle differential Ø 187 mm,
200 mm, 215 mm: the differential must be removed to be replaced:



Remove/install differential

AR35.31-P-0520V

5.2

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

Model 172

 Clean the breather before removal and make sure that no dirt enters the breather. Otherwise damage may occur inside the rear axle differential.



Install

6

Press radial sealing ring (3) using drift (4) into rear axle center assembly.

 Before inserting the new radial sealing ring (3), check the seat surface for damage. Otherwise the leaktightness and perfect seating of the radial sealing ring (3) cannot be guaranteed.

 Coat sealing lip of new radial seal (3) with universal hypoid gear oil.

 Rear axle differential Ø 187 mm,
Ø 198 mm, Ø 200 mm except for model 172.475

*211589001500

 Rear axle differential Ø 200 mm for model 172.475

*140589101500

 Differential Ø 215 mm

*211589051500



Universal hypoid gear oils (SAE 85 W-90)

Sheet 235.7

BB00.40-P-0235-07A

7

Install rear axle shaft (2).

AR35.30-P-0620V

8

Check oil level in rear axle center assembly, 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

9

Check rear axle differential for leaks

 Carry out visual inspection.

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-1003-02C

Oil drain screw for rear axle 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-1003-02H

Oil drain screw, differential

Nm

50

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

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

Sheet

BB00.40-P-0235-07A

Number

Designation

Model 172.475
with code 471

BF35.31-P-1001-01T

Filling capacity

Differential 187 FE, Ø 187 mm

Liters

-

Sheet

-

Differential 200 FE, Ø 200 mm

Liters

-

Sheet

-

Differential 215 FE, Ø 215 mm

Liters

1.2

Sheet

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