Replace radial sealing rings on side of rear axle center assembly

AR35.31-P-0545CWC

Replace radial sealing rings on side of rear axle center assembly

23.07.2020

Model

204, 212

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

Topical note

Notes on repair work on suspension components

AH00.00-P-0100-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Remove

1

Secure vehicle on vehicle lift

Model 204
with code 700 (Vehicle production location China)

AR00.60-P-0100CW

Model 212
with code 700 (Vehicle production location China)

AR00.60-P-0100EWS

2

Remove rear-axle shaft (37)

Model 204
with code 700 (Vehicle production location China)

AR35.30-P-0620CW

Model 212
with code 700 (Vehicle production location China)

AR35.30-P-0620EW

3

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


Do not damage seat surface of radial shaft sealing ring (32a).
Leaks can otherwise occur.



Install

4

Clean seat of radial shaft sealing ring (32a) in rear axle differential (50) using 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.
Leaks can otherwise occur.


Assembly cleaner must not enter the rear axle differential  (50).
Otherwise, the rear axle differential (50) may be damaged.

Assembly cleaner

*BR00.45-Z-1028-04A

5

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

If damage is present:



Repair or replace rear axle differential (50).

Model 204
with code 700 (Vehicle production location China)

AR35.31-P-0520CW

Model 212
with code 700 (Vehicle production location China)

AR35.31-P-0520EW

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) using drift (03) and sleeve into rear axle differential (50)

 Sleeve

*203589011400

 Drift

*140589101500

8

Install new circlip (37o) on inner splined shaft of rear axle shaft (37)

9

Install rear axle shaft (37)

Model 212
with code 700 (Vehicle production location China)

AR35.30-P-0620EW

Model 204
with code 700 (Vehicle production location China)

AR35.30-P-0620CW



Check

10

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

Model 204 (except 204.377), 212
with code 700 (Vehicle production location China)

AR35.31-P-0520-03CWC

 Model 204 (except 204.077/277/377)
with code 700 (Vehicle production location China)
Model 212 (except 212.074/075/076/077/092/274/275/276/277/292)
with code 700 (Vehicle production location China)Filling capacity

*BF35.31-P-1002-01T

Loctite 272 sealing adhesive

*BR00.45-Z-1102-02A

 Model 204, 212.1
with code 700 (Vehicle production location China)Oil filler screw of rear axle differential

*BA35.31-P-1002-02H

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

11

Check rear axle differential (50) for leak tightness

 Rear axle differential housing

Number

Designation

Model 204, 212.1
with code 700 (Vehicle production location China)

BA35.31-P-1002-02H

Oil filler screw of rear axle differential

Nm

60

 Rear axle gear

Number

Designation

Model 204 (except 204.077/277/377)
with code 700 (Vehicle production location China)

Model 212 (except 212.074/075/076/077/092/274/275/276/277/292)
with code 700 (Vehicle production location China)

BF35.31-P-1002-01T

Filling capacity

Rear axle differential 200 C, Ø 200 mm

Liter

1,0

1,0

Overview of specified transmission oils

BB00.40-P-0231-01A

BB00.40-P-0231-01A

References, approved axle gear oils

BB00.40-P-0235A

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-1102-02A

Loctite 272 sealing adhesive

Henkel AG & Co. KGaA
http://www.loctite.de