Remove/install rear axle shaft

AR35.30-P-0620V

Remove/install rear axle shaft

17.1.12

17.1.12

Value modified: Filling capacity, Sheet

Model 172.475 with code 471

*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

Remove left or right wheel

AP40.10-P-4050V

3

Remove twelve-point collar nut (1) from rear axle shaft (2)

Model 171

AR35.30-P-0115-01V

Model 172

AR35.30-P-0115-01TX

 The vehicle may no longer be moved on its wheels when the twelve-point collar nut (1) has been loosened. Otherwise the wheel bearings may be damaged.

 Installation: Replace twelve-point collar nut (1).

 Model 171

*BA35.30-P-1001-01A

 Model 172

*BA35.30-P-1001-01J

4

Detach left rear axle rpm sensor (L6/3) from wheel carrier (3) and unclip holder for electrical line of left rear axle rpm sensor (L6/3) from wheel carrier (3)

When removing left rear axle shaft (2).

 Model 171

*BA42.30-P-1001-02A

5

Detach right rear axle rpm sensor (L6/4) from wheel carrier (3) and unclip holder for electrical line of right rear axle rpm sensor (L6/3) from wheel carrier (3)

When removing right rear axle shaft (2)

 Model 171

*BA42.30-P-1001-02A

6

Unhook electrical line (8) from left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2)

Model 172

7

Detach camber strut (7) from wheel carrier (3)

Model 171

AR35.20-P-0110V

Model 172

AR35.20-P-0110W

8

Remove thrust arm (5) from wheel carrier (3)

AR35.20-P-0113V

9

Detach tie rod (4) from wheel carrier (3)

Model 171

AR35.20-P-0112V

Model 172

AR35.20-P-0109W

10

Fold wheel carrier (3) outwards and simultaneously press the rear axle shaft (2) out of rear axle shaft flange

 Place a dry cloth between the wheel carrier (3) and the spring control arm. Otherwise, the wheel carrier (3) may be damaged.

Do not damage the rubber boots on the rear axle shaft (2) and the pulse ring for the left rear axle rpm sensor (L6/3) or the right rear axle rpm sensor (L6/4). Otherwise the Electronic Stability Program (ESP®) may suffer from malfunctions.

On model 171 do not overstretch the brake cable (arrow) to ensure proper functional capability is retained.

If the rear axle shaft (2) is difficult to remove:



Pressing rear axle shaft (2) out of the rear axle shaft flange

AR35.30-P-0115-03SX

 Extraction and insertion tool

*210589034300

 Bracket

*210589014000

11

Pull rear axle shaft (2) out of rear axle differential.

 Carefully pull out rear axle shaft (2). Otherwise the radial sealing ring in the rear axle differential may be damaged.

AR35.30-P-0620-02V



Checking

12

Check constant velocity joints and rubber boots on rear axle shaft (2) for leaks and damage

AR35.30-P-0661P

13

Check condition of side radial sealing ring in rear axle center assembly

 If damaged or leaking:



Replace radial sealing ring of rear axle shaft (2) on rear axle housing.

AR35.31-P-0541V

14

Install in the reverse order

 Installation: Only tighten bolts and nuts of the chassis components in the curb condition.

15

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

Number

Designation

Model
171

BA35.30-P-1001-01A

Collar nut, rear axle shaft to rear axle shaft flange

self-locking

Nm

-

not self-locking

Nm

220

Number

Designation

Model
172

BA35.30-P-1001-01J

Collar nut, rear axle shaft to rear axle shaft flange

self-locking

Nm

350

not self-locking

Stage 1

Nm

-

Stage 2

°

-

Number

Designation

Model
171
except model
171.473

Model
171.473

BA35.31-P-1002-02C

Oil filler screw, differential

Nm

50

50

Number

Designation

Model
172

BA35.31-P-1002-02H

Oil filler screw, differential

Nm

50

Number

Designation

Model 171

BA42.30-P-1001-02A

Self-locking bolt of rear axle rpm sensor to wheel carrier

Nm

8

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