Install new radial sealing ring at drive pinion gear (with differential installed)

AR35.31-P-0530LW

Install new radial sealing ring at drive pinion gear (with differential installed)

04.08.2020

Model

205, 253 (except 253.992/993)

Modification notes

29.06.2018

"Grease gearing of joint flange (41)", added.

Operation step 11

17.02.2019

Collar nut, joint flange to drive pinion

BA35.31-P-1001-06B

7

Propeller shaft

40

Collar nut

41

Joint flange

42

Radial shaft sealing ring

50

Rear axle gear

 Danger

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

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

AS00.00-Z-0010-01A

 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

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Remove

1

Remove exhaust system from rear flange connection onwards.

Model 205 with engine 177, 276
Model 253 with engine 177, 276.8

Model 205 with engine 177

AR49.10-P-4952MNA

Model 205 with engine 276

AR49.10-P-4952LW

Model 253 with engine 276.8

AR49.10-P-4952RF

Model 253 with engine 177

AR49.10-P-4952MNG

2

Remove propeller shaft (7) from joint flange (41) at rear axle differential (50) and secure.

Model 205

AR41.10-P-0050LW

Model 253 (except 253.992/993)

AR41.10-P-0050LWX

3

Unscrew collar nut (40).

 To do so, screw 2 screws into joint flange (41) and counterhold joint flange (41) using  counterholder.

 Counterholder

*176589004000

4

Remove joint flange (41).

 Puller

*129589013300

5

Check joint flange (41) for damage.

If damage is found,



Replace joint flange (41).

6

Pry radial shaft sealing ring (42) out of rear axle differential (50) using suitable tool.


Do not damage seat of radial shaft sealing ring (42) in rear axle differential (50).
Otherwise leaks may occur.



Install

7

Clean sitting surface of radial shaft sealing ring (42) in rear axle differential (50).

Assembly cleaner

*BR00.45-Z-1028-04A

8

Check sitting surface of radial shaft sealing ring (42) in rear axle differential (50) for damage.

If damage is found,



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

9

Coat radial shaft sealing ring (42) on inner sealing lip with universal hypoid gear oil.



Universal hypoid gear oils (specification 235.7)

BB00.40-P-0235-07A


Do not apply any oil to the seat surface and outer circumference of the radial shaft sealing ring (42).
Otherwise leaks may occur.

 Replace radial shaft sealing ring (42).

10

Press radial shaft sealing ring (42) into rear axle differential (50).

 Drift

*140589141500

 Drift

*211589041500

 Drift

*140589081500

11

Grease gearing of joint flange (41).

Molykote paste HTP special lubricating grease

*BR00.45-Z-1028-06A

12

Install joint flange (41).

13

Tighten and caulk collar nut (40).

 Replace collar nut (40).

 Model 253 (except 253.992/993)Collar nut, joint flange to drive pinion

*BA35.31-P-1001-06B

 Model 205Collar nut, joint flange to drive pinion

*BA35.31-P-1001-01E

 Model 205Collar nut, joint flange to drive pinion

*BA35.31-P-1004-01E

 Model 205Collar nut, joint flange to drive pinion

*BA35.31-P-1006-01E

 Counterholder

*176589004000

14

Attach propeller shaft (7) to joint flange (41) of rear axle differential (50).

Model 205

AR41.10-P-0050LW

Model 253 (except 253.992/993)

AR41.10-P-0050LWX

15

Install exhaust system from rear flange connection onwards.

Model 205 with engine 177, 276
Model 253 with engine 177, 276.8

Model 205 with engine 177

AR49.10-P-4952MNA

Model 205 with engine 276

AR49.10-P-4952LW

Model 253 with engine 276.8

AR49.10-P-4952RF

Model 253 with engine 177

AR49.10-P-4952MNG



Check

16

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 (Vehicle production location China)Filling capacity

*BF35.31-P-1001-02B

 Model 253 (except 253.388/389/988/989/992/993)
with code 700 (Vehicle production location China)Filling capacity

*BF35.31-P-1002-02B

 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)ALU rear axle differential filling capacity

*BF35.31-P-1002-01U

 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)
except code 700 (Vehicle production location 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 (Vehicle production location 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

17

Check rear axle differential (50) for leak tightness.

 Rear axle differential gear set

Number

Designation

Model 205

BA35.31-P-1001-01E

Collar nut, joint flange to drive pinion

Rear axle differential Ø183

M26

Nm

120

 Rear axle differential gear set

Number

Designation

Model 253

BA35.31-P-1001-06B

Collar nut, joint flange to drive pinion

ALU rear axle differential 183

M26

Nm

120

ALU rear axle differential 197

M31

Nm

120

Rear axle differential 200 C

M22

Nm

100

 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 differential gear set

Number

Designation

Model 205

BA35.31-P-1004-01E

Collar nut, joint flange to drive pinion

Rear axle differential Ø200

M29

Nm

120

 Rear axle differential gear set

Number

Designation

Model 205

BA35.31-P-1006-01E

Collar nut, joint flange to drive pinion

Rear axle differential Ø215

M29

Nm

120

 Rear axle gear

Number

Designation

Model 205 (except 205.086/087/286/287/386/387/486/487)
except code 700 (Vehicle production location 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 (Vehicle production location 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 (Vehicle production location China)

Model 205 (except 205.086/087/286/287/386/387/486/487)
with code 700 (Vehicle production location 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 (Vehicle production location 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 (Vehicle production location 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-1028-06A

Molykote paste HTP special lubricating grease

Use corresponding commercially available repair materials.

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