Replace radial sealing rings on side of rear axle center assembly

AR35.31-P-0545LW

Replace radial sealing rings on side of rear axle center assembly

06.03.2020

Model

205, 253 (except 253.992/993)

03

Drift

32a

Radial shaft sealing ring

37

Rear axle shaft

37o

Retaining ring

50

Rear axle gear

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A



Remove

1

Remove corresponding rear axle shaft (37)

Model 205 (except 205.386/387/486/487), 253 (except 253.388/389/988/989/992/993)

AR35.30-P-0621LW

Model 205.386/387/486/487
Model 253.388/389/988/989

AR35.30-P-0621MNA

2

Pry radial shaft sealing ring (32a) out of rear axle differential (50) using a suitable tool


Do not damage the seat of the radial shaft sealing ring (32a) in the rear axle differential (50).
Otherwise leaks may occur.

3

Clean seat surface of radial shaft sealing ring (32a) in rear axle differential (50)

Assembly cleaner

*BR00.45-Z-1028-04A

4

Check seat surface of radial shaft sealing ring (32a) in rear axle differential (50) for damage

If damage is present.



Replace rear axle differential (50).

Model 205 (except 205.386/387/486/487), 253 (except 253.388/389/988/989/992/993)

AR35.31-P-0520LW

Model 205.386/387/486/487
Model 253.388/389/988/989

AR35.31-P-0522MNA



Install

5

Coat sealing lip of new radial shaft sealing ring (32a) with transmission oil



Universal hypoid gear oils (specification 235.7)

BB00.40-P-0235-07A


Do not apply any oil to the seat surface in rear axle differential (50) and around the outer circumference of radial shaft sealing ring (32a).
Otherwise leaks may occur.

6

Press in new radial shaft sealing ring (32a) using drift (03) until drift (03) makes contact with rear axle differential (50)

 Drift

*205589001500

7

Replace retaining ring (37o) on inner splined profile of corresponding rear axle shaft (37)

8

Install corresponding rear axle shaft (37)

Model 205 (except 205.386/387/486/487), 253 (except 253.388/389/988/989/992/993)

AR35.30-P-0621LW

Model 205.386/387/486/487
Model 253.388/389/988/989

AR35.30-P-0621MNA

9

Check oil level in rear axle differential (50) and correct, if necessary

Model 205 (except 205.386/387/486/487), 253 (except 253.388/389/988/989/992/993)

AR35.31-P-0520-03LW

Model 205.386/387/486/487
Model 253.388/389/988/989

AR35.31-P-0520-08MNA

 Model 253 (except 253.388/389/988/989/992/993)
except code 700 (Technology Local Content China)Filling capacity

*BF35.31-P-1001-02B

 Model 253 (except 253.388/389/988/989/992/993)
with code 700 (Technology Local Content China)Filling capacity

*BF35.31-P-1002-02B

 Model 253.388/389/988/989Filling capacity for rear axle differential with differential lock

*BF35.31-P-1003-02B

 Model 205 (except 205.086/087/286/287/386/387/486/487)ALU rear axle differential filling capacity

*BF35.31-P-1002-01U

 Model 205.086/087/286/287/386/387/486/487Filling capacity for rear axle differential with differential lock

*BF35.31-P-1003-01U

 Model 205 (except 205.086/087/286/287/386/387/486/487)
except code 700 (Technology Local Content China)FE rear axle differential filling capacity

*BF35.31-P-1001-01U

 Model 205 (except 205.086/087/286/287/386/387/486/487)
with code 700 (Technology Local Content China)Filling capacity

*BF35.31-P-1004-01U

 Oil filler screw of rear axle differential

*BA35.31-P-1002-02H

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

10

Check rear axle differential (50) for leak tightness

 Rear axle differential housing

Number

Designation

Model 205

Model 253

BA35.31-P-1002-02H

Oil filler screw of rear axle differential

Nm

50

50

 Rear axle gear

Number

Designation

Model 205 (except 205.086/087/286/287/386/387/486/487)
except code 700 (Technology Local Content China)

BF35.31-P-1001-01U

FE rear axle differential filling capacity

FE HAG187

Liter

0,85

Sheet

BB00.40-P-0235-07A

FE HAG200

Liter

1,0

Sheet

BB00.40-P-0235-07A

FE HAG215

Liter

1,1

Sheet

BB00.40-P-0235-07A

FE HAG225

Liter

1,3

Sheet

BB00.40-P-0235-07A

 Rear axle gear

Number

Designation

Model 253 (except 253.388/389/988/989/992/993)
except code 700 (Technology Local Content China)

BF35.31-P-1001-02B

Filling capacity

ALU rear axle differential 183

Liter

0,8

Sheet

BB00.40-P-0239-71A

ALU rear axle differential 197

Liter

0,9

Sheet

BB00.40-P-0239-71A

ALU HAG205

Liter

1,0

Sheet

BB00.40-P-0239-71A

 Rear axle gear

Number

Designation

Model 205 (except 205.086/087/286/287/386/387/486/487)
except code 700 (Technology Local Content China)

Model 205 (except 205.086/087/286/287/386/387/486/487)
with code 700 (Technology Local Content China)

BF35.31-P-1002-01U

ALU rear axle differential filling capacity

ALU HAG183

0,8

-

Sheet

BB00.40-P-0239-71A

-

 Rear axle gear

Number

Designation

Model 253 (except 253.388/389/988/989/992/993)
with code 700 (Technology Local Content China)

BF35.31-P-1002-02B

Filling capacity

Rear axle differential 200 C

Liter

1,0

Sheet

BB00.40-P-0235-07A

 Rear axle gear

Number

Designation

Model 205.086/087/286/287/386/387/486/487

BF35.31-P-1003-01U

Filling capacity for rear axle differential with differential lock

Liter

1,2

Sheet

BB00.40-P-0235-61A

 Rear axle gear

Number

Designation

Model 253.388/389/988/989

BF35.31-P-1003-02B

Filling capacity for rear axle differential with differential lock

Liter

1,2

Sheet

BB00.40-P-0235-61A

Overview of specified transmission oils

-

Approved axle gear oils

-

 Rear axle gear

Number

Designation

Model 205 (except 205.086/087/286/287/386/387/486/487)
with code 700 (Technology Local Content China)

BF35.31-P-1004-01U

Filling capacity

Rear axle differential 200 C

1,0

Overview of specified transmission oils

BB00.40-P-0231-01A

References, approved axle gear oils

BB00.40-P-0235A

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09

BR00.45-Z-1061-01A

Sealant, Omnifit 100H (50 g)

A 002 989 23 71