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

AR35.31-P-0542MNC

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

23.07.2020

Transmission

725.0 in model 213

with code 700 (Vehicle production location China)

03

Drift

32a

Radial shaft sealing ring

37

Rear axle shaft

37o

Retaining ring

50

Rear axle gear

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 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



Remove

1

Secure vehicle on vehicle lift.

AR00.60-P-0100CW

2

Remove rear axle shaft (37) on left or right.

Transmission 725.0 in model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)

AR35.30-P-0621OLC

3

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


Do not damage seat surface of radial shaft sealing ring (32a).
Otherwise, leaks can occur at the rear axle differential (50).



Clean

4

Clean seat of radial shaft sealing ring (32) in rear axle differential (50) using a clean, lint-free rag and assembly cleaner.


The seat of the radial shaft sealing ring (32a) in the rear axle differential (50) must be free of oil and dirt.
Otherwise, leaks can occur at the rear axle differential (50).

Assembly cleaner

*BR00.45-Z-1028-04A



Check

5

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

If damage is found,



Replace rear axle differential(50).

Transmission 725.0 in model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)

AR35.31-P-0522OLC



Install

6

Apply universal hypoid gear oil to sealing lip of new radial shaft sealing ring (32a).



Universal hypoid gear oils (specification 235.7)

BB00.40-P-0235-07A

7

Press new radial shaft sealing ring (32a) into rear axle differential (50) using drift (03) and sleeve.

 Drift

*140589101500

 Sleeve

*203589011400

8

Replace retaining ring (37o) on rear axle shaft (37).

9

Install rear axle shaft (37) on left or right.

Transmission 725.0 in model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)

AR35.30-P-0621OLC



Check

10

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

Transmission 725.0 in model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)

AR35.31-P-0520-08OLC

 Oil filler screw of rear axle differential

*BA35.31-P-1002-02H

 Transmission 725.0 in model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)Filling capacity

*BF35.31-P-1002-02C

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

11

Check rear axle differential(50) for leak tightness.

 Rear axle differential housing

Number

Designation

Model 213

BA35.31-P-1002-02H

Oil filler screw of rear axle differential

Nm

50

 Rear axle gear

Number

Designation

Model 213 (except 213.088/089/288/289)
with code 700 (Vehicle production location China)

BF35.31-P-1002-02C

Filling capacity

Rear axle differential 200 C

Liter

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