Remove/install rear axle shaft

AR35.30-P-0620T

Remove/install rear axle shaft

10.11.11

17.6.11

Value changed: filling capacity

Model 211 except 211.077/277

*BF35.31-P-1003-01L

 

Remove/install

 Danger!

Risk of injury caused by body parts being jammed or crushed. Risk of injury to skin and eyes caused by brake fluid spraying out at high pressure when working on the SBC brake system

Deactivate SBC brake system using STAR DIAGNOSIS.

AS42.46-Z-0001-01A



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



Notes on AIRmatic

AH32.22-P-1000-02T



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Deactivate SBC brake system using STAR DIAGNOSIS.

Vehicles with Sensotronic Brake Control (SBC)

The following steps should be run through in STAR DIAGNOSIS:

Select menu item "SBC Sensotronic Brake Control"/"Deactivate 'SBC' system".

Then process all the individual steps from top to bottom.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS diagnosis system

2

Deflate rear air spring completely using STAR DIAGNOSIS

Vehicles with AIRmatic (semi-active air suspension), code 489

AR32.22-P-1500-04T



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS diagnosis system



*211589000900

 Installation: The filling procedure for the air springs must be observed, otherwise the air springs will be irreparably damaged.

AR32.22-P-1500-03T



*BA32.25-P-1008-04B



*BA32.25-P-1009-04B

Electronic inclinometer

gotis://F_40.2_02.0

3

Secure vehicle on vehicle lift

AR00.60-P-0100T

4

Unscrew twelve-point collar nut (12) from rear axle shaft (37)

 Installation: Replace twelve-point collar nut, tighten and secure.

AR35.30-P-0115-01A



*BA35.30-P-1001-01F

5

Remove rear wheel



Remove/install wheels, rotate if necessary

AP40.10-P-4050Z

6.1

Remove rear brake pads

Except model 211.076 /276 /077 /277

AR42.10-P-1700R

 Secure the rear brake caliper to the vehicle to relieve the load on the brake hose in order to prevent the brake hose from being damaged during repair work.

6.2

Detach brake caliper at rear axle

Model 211.076 /276 /077 /277

AR42.10-P-0080RA

 Secure the rear brake caliper to the vehicle to relieve the load on the brake hose in order to prevent the brake hose from being damaged during repair work.

7

Detach rear brake cable (86) at cable slack adjuster on parking brake

AR42.20-P-0525T

8

Detach stabilizer bar link rod (6k) from wheel carrier (7)



*BA32.20-P-1001-04G

9

Raise wheel carrier (7) using transmission jack and transmission platform until rear axle shaft (37) is roughly horizontal

 Installation: Tighten the bolted connections of the torque strut (3), camber strut (2) and thrust arm (5) as well as the tie rod (4).



*BA35.20-P-1002-03C



*BA35.20-P-1002-02C



*BA35.20-P-1002-05C



*BA35.20-P-1001-04C

Transmission plate for passenger cars and commercial vehicles
gotis://A_25/35/49_02.0

Transmission jack 2.0-7.0 t
gotis://H_00.10_01.0

10

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

 Installation: Bolt on torque strut loosely

11

Detach camber strut (2) from wheel carrier (7)

 Installation: Bolt on camber strut loosely.

12

Detach tie rod (4) from wheel carrier (7).

 Installation: Bolt on tie rod loosely.

13

Detach thrust arm (5) from wheel carrier (7)

 Installation: Bolt on thrust arm loosely.

14

Lower transmission jack

 Installation: Lift wheel carrier (7) with transmission jack and transmission platform until the rear axle shaft (37) is approximately horizontal.

Transmission jack 2.0-7.0 t
gotis://H_00.10_01.0

Transmission plate for passenger cars and commercial vehicles
gotis://A_25/35/49_02.0

15

Fold down wheel carrier (7) and pull rear axle shaft (37) out of rear axle shaft flange

 Suspend rear axle shaft with a hook on vehicle to prevent damage to the rubber boot on the rear axle shaft.

If rear axle shaft is jammed:



Press rear axle shaft out of the rear axle shaft flange

AR35.30-P-0115-03B



*210589034300



*210589014000

16

Lever rear axle shaft (37) out of rear axle differential (50)

 Do not fasten an assembly lever to the protection ring (37a). Support the assembly lever, e.g. using an open wrench, on the rear axle differential (50).

17

Lower differential (50)

Vehicles with AIRmatic (semi-active air suspension) code 489 and balancing mass at the rear axle (37)

AR35.31-P-0520T

 Do not remove exhaust system. Do not detach propeller shaft. Only detach additional volume reservoir on the affected side.

18

Take out rear axle shaft (37)

 Installation: Install new retaining ring (37o) on inner splined profile.



Checking

19

Check constant velocity joints and rubber boots for leaks and damage

 Replace completely if the constant velocity joint on the rear axle shaft (37) is defective.

If damaged or leaking:



Replace constant velocity joint or rubber boot on rear axle shaft.

AR35.30-P-0661P

20

Check condition of radial sealing ring in side of rear axle differential (50)

If damaged or leaking:



Replace new radial sealing ring on side of rear axle differential.

AR35.31-P-0545T

21

Install in the reverse order

22

Check oil level in rear axle center assembly (50) 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



*BA35.31-P-1002-02A



*BF35.31-P-1004-01L



*BF35.31-P-1001-01L



*BF35.31-P-1002-01L



*BF35.31-P-1003-01L



*BF35.31-P-1006-01L

Loctite 7063 cleaning spray (150 ml)

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A



Oil filler/drain screw on rear axle differential modified

BT35.31-P-0015-01A

23.1

Activate SBC brake system using STAR DIAGNOSIS

Vehicles with Sensotronic Brake Control (SBC)

 The following steps should be run through in STAR DIAGNOSIS:

Select "Initial startup after repair"/"Remove/install brake pads" menu item.

Then process all the individual steps from top to bottom.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS diagnosis system

 Danger!

Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work

Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system.

AS42.50-Z-0002-01A

23.2

Press the brake pedal several times until the brake pads contact the brake disks

Vehicles with Adaptive Brake (ABR)

 Firm resistance should be noticeable at the brake pedal.

24

Perform wheel alignment check

AR40.20-P-0200T

Number

Designation

Model 211

BA32.20-P-1001-04G

Nut, link rod to wheel carrier

Nm

50

Number

Designation

Model 211

BA35.20-P-1002-02C

Self-locking nut, camber strut to wheel carrier.

Aluminum

M12

Stage 1

Nm

50

Stage 2

°

90

Steel

M14

Stage 1

Nm

80

Stage 2

°

90

Number

Designation

Model 211

BA35.20-P-1002-03C

Self-locking nut, torque strut to wheel carrier

Aluminum

M12

Stage 1

Nm

50

Stage 2

°

90

Steel

M14

Stage 1

Nm

80

Stage 2

°

90

Number

Designation

Model
211

BA35.20-P-1002-05C

Self-locking nut, thrust arm to wheel carrier

Aluminum

M12

Stage 1

Nm

50

Stage 2

°

90

Steel

M14

Stage 1

Nm

80

Stage 2

°

90

Number

Designation

Model
211

BA35.30-P-1001-01F

Collar nut, rear axle shaft to rear axle shaft flange

self-locking

Nm

350

not self-locking

Stage 1

Nm

170

Stage 2

°

45

Number

Designation

Model
211

BA35.31-P-1002-02A

Oil filler screw, differential

Nm

50

Number

Designation

Model 211
AIRmatic

BA32.25-P-1008-04B

Nut, rear air spring at spring control arm

Nm

150

BA32.25-P-1009-04B

Air suspension pressure line at rear axle distributor

Nm

2

Number

Designation

Model
211

BA35.20-P-1001-04C

Self-locking nut, tie rod at wheel carrier

Stage 1

Nm

40

Stage 2

°

90

Number

Designation

Model
211 except 211.077/277

Model
211.077/277,
model
230.470/472/
474/479

BF35.31-P-1001-01L

Filling capacity

210 mm dia.rear axle differential in rear axle differential 210E

Liters

1,6

-

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

-

BF35.31-P-1002-01L

Filling capacity

Rear axle differential dia. 198 mm

Liters

1.1

-

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

-

BF35.31-P-1003-01L

Filling capacity

Differential Ø 187 mm

Liters

0.95

-

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

-

BF35.31-P-1004-01L

Filling capacity

Differential Ø 215 mm

Liters

1.2

1.2

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-61A

BF35.31-P-1006-01L

Filling capacity

200 mm dia. rear axle differential in rear axle differential 200FE

Liters

1,1

-

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

Loctite 7063 cleaning spray (150 ml)

A 001 986 71 71 10