Replace radial sealing ring on connecting flange of rear axle shaft

AR35.31-P-0540D

Replace radial sealing ring on connecting flange of rear axle shaft

2.3.10

 

Remove/install

Danger!

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

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

AS00.00-Z-0010-01A

1

Raise vehicle

2

Drain oil from rear axle differential

AR35.31-P-0520-06A

Cleaning spray, Loctite 7063 (150ml)

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

 Oil drain screw

*BA35.31-P-1003-02A



Oil filler/drain screw on rear axle differential modified

Phased in as of 19.01.04

BT35.31-P-0015-01A

3

Remove rear axle differential (50)

AR35.31-P-0520D

4

Clamp rear axle differential (50) in assembly stand

AR35.31-P-0540-06B

 Assembly stand

*201589033100

 Assembly stand

*129589003100

5.1

Remove end cover (54) with machined sealing surface

 Installation: If a replacement part end cover is fitted it is absolutely essential to observe whether the sealing surface is machined or not. Use suitable sealant. Fit end cover: 

Rear axle differential Ø 168 mm in model 170, 202 up to 07.05.00

AR35.31-P-0550-28B

Sealant

*BR00.45-Z-1010-01A

 Bolt + washer or flange bolt

*BA35.31-P-1001-02A

Rear axle differential Ø 185 mm in model 170, 202, 208 up to 07.05.00

AR35.31-P-0550-28C

Sealant

*BR00.45-Z-1010-01A

 Bolt + washer or flange bolt

*BA35.31-P-1001-02A



Rear axle differential end cover with non-machined sealing surface

BT35.31-P-0014-01A

5.2

Remove end cover (54) with non-machined sealing surface

 Installation: Fit end cover:



Rear axle differential Ø 168 mm in model 170, 202 as of 08.05.00

AR35.31-P-0550-28BA

 Squeeze gun

*112589002500

Loctite sealant 5970

*BR00.45-Z-1013-01A

 Bolt + washer or flange bolt

*BA35.31-P-1001-02A

Rear axle differential Ø 185 mm in model 170, 202, 208 as of 08.05.00

AR35.31-P-0550-28CA

 Squeeze gun

*112589002500

Loctite sealant 5970

*BR00.45-Z-1013-01A

 Bolt + washer or flange bolt

*BA35.31-P-1001-02A

6

Detach retaining ring (30)

 Installation: Replace retaining ring.

AR35.31-P-0540-01A

 Removal and installation tool

*116589016200

7

Pull out connecting flange (33, 33a, 33b)

 Check contact surface for radial sealing ring on connecting flange; if it is severely galled: 
Replace connecting flange.

 Installation: Check, adjust axial play of connecting flange: 

Adjustment of the axial play is not required for vehicles with rear axle with automatic locking differential (ASD) code 211a

Model 170.435, 202.180

Model 202.018/078/120/121/122/125/182, except taxi version

AR35.31-P-0540-02D

Axial play between connecting flange and differential housing

*BE35.31-P-1001-05A

Model 170.444/445/447/449,
Model 202.020/022/023/024/025/026/

028/029/080/081/082/083/086/087/088/
089/128/188, Standard,

Model 202.085 with autom. 5-speed transmission,
Model 202.018/078/120/121/122/ 125/182 standard with taxi version code 450,

Model 202.134/194 except taxi version, model 208.335/344/345/347/348/435/

444/445/447/448

AR35.31-P-0540-02E

Axial play between connecting flange and differential housing

*BE35.31-P-1001-05A



Radial seal on side of rear axle housing and connecting flange modified

As of 01.04.98: on model 170.445/447,
Model 202.020/022/023/024/025/026/

028/029/080/082/083/085/086/089/128/
188
Standard, model 202.018/078/120/121/122/ 125/182 standard with taxi version code 450,

Model 202.134/194 except taxi version, model 208.335/345/347/435/445/447

BT35.31-P-0013-01A

8

Pull off deep-groove ball bearing (33c)

Model 202 with rear axle with automatic locking differential (ASD), code 211a

AR35.31-P-0540-04A

 Clamping pliers

*140589003400

 Puller

*001589503300

9

Press off radial sealing ring (32, 32a, 70j)

 Installation: Replace radial sealing ring and coat the lip with universal hypoid transmission oil.



Universal hypoid gear oil (SAE 85 W-90)

BB00.40-P-0235-07A

Model 170.435, 202.180

Model 202.018/120/121/125 except taxi version, except ASD
Model 202.078/122/182 except taxi version

AR35.31-P-0540-05E

 Drift

*201589031500

Model 202.018/020/022/023/024/025/

026/028/029/078/08/120/121/122/125/
128/182/188 with rear axle with automatic
locking differential (ASD) code 211a

AR35.31-P-0540-05G

 Extractor tool

*129589023300

 Drift

*124589011500

Model 202.028 up to 05/94 with acceleration skid control (ASR) code 471a

AR35.31-P-0540-05H

 Drift

*126589041500

Model 170.444/445/ 447/449,

Model 202.020/022/023/024/025/026/

028/029/080/081/082/083/085/086/087/

088/089/128/188, Standard,

Model 202.085 with autom. 5-speed transmission,

Model 202.018/078/120/121/122/ 125/182 Standard with taxi version code 450, model 202.028 as of 06/94 with acceleration skid control (ASR) code 471a,

Model 202.134/194 except taxi version,

Model 208.335/344/345/347/348/435/

444/445/447/448

AR35.31-P-0540-05F

 Drift

*126589001500



Radial seal on side of rear axle housing and connecting flange modified

As of 01.04.98: on model 170.445/447,
Model 202.020/022/023/024/025/026/028/
029/080/082/083/085/086/089/128/188,
Standard, model 202.018/078/120/121/122/ 125/182 standard with taxi version code 450,

Model 202.134/194 except taxi version, model 208.335/345/347/435/445/447

BT35.31-P-0013-01A

10

Replace breather (55) of rear axle differential



*BA35.31-P-1005-02A

11

Install in the reverse order

12

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-0520-03A

 Model 170 rear axle differential filling capacity

*BF35.31-P-1001-01F

 Model 202 rear axle differential filling capacity

*BF35.31-P-1001-01D

 Model 208 rear axle differential filling capacity

*BF35.31-P-1001-01H

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-1002-02A



Oil filler/drain screw on rear axle differential modified

Phased in as of 19.01.04

BT35.31-P-0015-01A

Number

Designation

Model 170

Model 202

Model 208

BE35.31-P-1001-05A

Axial play between connecting flange and differential housing

mm

0.03 to 0.3

0.03 to 0.3

0.03 to 0.3

Number

Designation

Model
170

Model
202

BA35.31-P-1001-02A

Bolt, end cover to rear axle differential

Bolt+washer

Nm

-

50

Flange bolt
(TORX, internal serrations)

Stage 1

Nm

30

30

Stage 2

°

45

45

BA35.31-P-1002-02A

Oil filler screw, rear axle differential

Nm

50

50

BA35.31-P-1003-02A

Oil drain screw for rear axle differential

Nm

50

50

BA35.31-P-1005-02A

Breather, rear axle differential

Nm

25

25

Number

Designation

Model
208

BA35.31-P-1001-02A

Bolt, end cover to rear axle differential

Bolt+washer

Nm

-

Flange bolt
(TORX, internal serrations)

Stage 1

Nm

30

Stage 2

°

45

BA35.31-P-1002-02A

Oil filler screw, rear axle differential

Nm

50

BA35.31-P-1003-02A

Oil drain screw for rear axle differential

Nm

50

BA35.31-P-1005-02A

Breather, rear axle differential

Nm

25

Number

Designation

Model 202.018/020/
022/120/121/125, with (code 211) ASD

Model 202.018/078/
120/121/122/
125/182 except (code 450) taxi version,
model 202.018/120/
121/125 without
(code 211) ASD,
model 202.180

BF35.31-P-1001-01D

Filling capacity

Rear axle center assembly

Liters

1.1

0.7

Specifications for Operating Fluids

Sheet



BB00.40-P-0235-00A

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-07A

Number

Designation

Model 202.018/078/
120/121/122/
125/182, without (code 211) ASD, with (code 450) taxi version

Model 202.020/022/
023/024/025/
026/028/029/
080/081/082/
083/086/087/
088/089/128/
188 without
(code 211) ASD,
model 202.085 with automatic 5-speed transmission,
model 202.134/194
except (code 450)
taxi version

BF35.31-P-1001-01D

Filling capacity

Rear axle center assembly

Liters

1.1

1.1

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-00A

BB00.40-P-0235-00A

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-07A

Number

Designation

Model 170.435

Model 170.444/445/447/
449

BF35.31-P-1001-01F

Filling capacity

Rear axle center assembly

Liters

0.7

1.1

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-07A

Number

Designation

Model 208.335/344/345/
347/348/435/444/445/447/448

BF35.31-P-1001-01H

Filling capacity

Rear axle center assembly

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-1010-01A

Sealing compound, Hylomar universal sealant, 80 ml

A 001 989 25 20

BR00.45-Z-1013-01A

Loctite sealant 5970

A 003 989 98 20

BR00.45-Z-1046-04A

Cleaning spray, Loctite 7063 (150ml)

A 001 986 71 71 10