Remove/install differential

AR35.31-P-0520C

Remove/install differential

30.8.10



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



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Features, installation survey for rear axle differentials

Rear axle differential with crown wheel dia. 185 mm

GF35.31-P-1000-01C



Features, installation survey for rear axle differentials

Rear axle differential with crown wheel dia. 198 mm

GF35.31-P-1000-01A



Features, installation survey for rear axle differentials

Rear axle differential with crown wheel dia. 210 mm

GF35.31-P-1000-01D



Features, installation survey for rear axle differentials

Rear axle differential reinforced with 210 mm crown wheel dia.

GF35.31-P-1000-01E



Features, installation survey for rear axle differentials

Rear axle differential with 210 mm crown wheel dia. in rear axle differential 210E

GF35.31-P-1000-01I

1.1

Remove hydraulic line (HS)

Vehicles with ASD

Plug threaded sockets on ring cylinder and line.

 Installation: 

Bleed ASD hydraulic system

AR35.41-P-0519C

2.1

Remove rear axle rpm sensor (L6)

Only vehicles with ABS with rpm sensor at rear axle differential

ra42001240714x

 Clean magnetic tip, replace O-ring.

2.2

Remove left rear rpm sensor (L6/3) and right rear rpm sensor (L6/4)

Vehicles with ASR up to 05/94 with rpm sensor at rear axle differential

ra42001400820x

3

Remove left frame cross strut (36)



*BA61.10-P-1001-01A

4

Remove exhaust system (105) completely

Engine 104

AR49.10-P-7000D

Engine 112, 113

AR49.10-P-7000AB

Engine 119

AR49.10-P-7000E

Engine 120

AR49.10-P-7000F

5

Remove exhaust heat shield (105c)

6

Remove closing panel (108)



*BA61.10-P-1002-01A

7

Loosen propellor shaft clamping nut (106c)

 Model 129.058/063 up to 06/95 and model 129.066 up to 06/92

*126589000100



*BA41.10-P-1003-01A



Clamp connection of propeller shaft

Model 129.058/063/066: changed to slide connection

BT41.10-P-9110-01DA

8

Remove bolts for propeller shaft intermediate bearing (106a).

 Installation: Only tighten the bolts of the propeller shaft intermediate bearing after attaching the flexible coupling to the rear axle differential.



*BA41.40-P-1001-01A

9

Remove rear propeller shaft assembly (106) from rear axle differential.

 Flex disk remains on propeller shaft.



*BA41.10-P-1002-01A

10

Loosen fitting sleeves on flexible couplings.

 Tie up propeller shaft to one side.

AR41.10-P-0050-09DA



Drift for loosening fitting sleeves in flex disks.

WF58.50-P-4110-01A

11

Detach line guide rail (98)

 Do not pull lines.

12

Remove rear axle shafts (37) from connecting flange

 Move rear axle shaft so that is roughly horizontal and then push together.

Secure rear axle shaft at rear axle carrier.

 Installation: Replace self-locking multipoint, hexagon socket or Torx bolts and washers.

Lightly oil bolts at thread and bolt head contact surface.



*BA35.30-P-1002-01A

13

Support rear axle differential (50)

 Assembly attachment

*140589016200

14

Remove bolts (50a)

 Box wrench

*129589010300

 Replace self-locking nuts (50c).

*BA35.10-P-1004-01A

15

Remove front differential mounting

 Installation: 

Install front differential mount

AR35.10-P-0050-01A



*BA35.10-P-1003-01A



Front rear axle differential mounting modified

Model 129.060/061/066

BT35.31-P-0001-01A

16

Lower and remove rear axle differential (50)



Rear axle differential with additional ribs in housing

Model 129.061/063/066

BT35.31-P-0002-01A

17

Replace breather of rear axle differential



*BA35.31-P-1005-02A

18

Install in the reverse order

19

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

 Filling capacity of rear differential assembly

*BF35.31-P-1001-01C

Loctite 7063 cleaning spray (150 ml)

*BR00.45-Z-1046-04A

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

 Oil filler plug

*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 129

BA35.10-P-1003-01A

Self-locking nut, rear axle differential at front to rear axle carrier

Nm

45

BA35.10-P-1004-01A

Self-locking bolt, rear axle differential at rear to rear axle carrier

Nm

95

Number

Designation

Model
129

BA35.30-P-1002-01A

Self-locking bolt, rear axle shaft to connecting flange (thread and bolt head contact surface oiled)

M10

Nm

70

M12

Nm

100

Number

Designation

Model
129

BA35.31-P-1002-02A

Oil filler screw, differential

Nm

50

BA35.31-P-1005-02A

Breather, rear axle differential

Nm

30

Number

Designation

Model
129

BA41.10-P-1002-01A

Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential.

M10

Nm

40

M12

Nm

60

BA41.10-P-1003-01A

Clamping nut of propellor shaft

Nm

40

Number

Designation

Model 129

BA41.40-P-1001-01A

Bolt, propeller shaft center support bearing to frame floor assembly

Self-tapping screw

Nm

-

Bolt with washer

Nm

25

Bolt with collar and self-centering tip

Nm

30

Bolt with collar and without self-centering tip

Nm

-

Number

Designation

Model 129

BA61.10-P-1001-01A

Self-locking bolt connecting rear cross strut to frame floor

Nm

120

BA61.10-P-1002-01A

Self-safety bolt of tunnel end panel to frame floor

Nm

25

Number

Designation

Models 129.058/063 without (Code 211) ASD up to 05/94

Models 129.058/061/
063 with
(Code 211) ASD
up to 05/94

Model 129.058/063
basic version and (code 471) ASR as of 06/94

BF35.31-P-1001-01C

Filling capacity

Differential

Liters

1.3

1.3

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

BB00.40-P-0235-07A

Number

Designation

Model 129.059/064

Model 129.060
without (Code 211) ASD

Model 129.060
with (Code 211) ASD

BF35.31-P-1001-01C

Filling capacity

Differential

Liters

1.1

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

BB00.40-P-0235-07A

Number

Designation

Model 129.066

Model 129.061
without (Code 211)
ASD

Model 129.067,
Model 129.076 up to
31.01.98

BF35.31-P-1001-01C

Filling capacity

Differential

Liters

1.3

1.3

1.4

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-00A

BB00.40-P-0235-00A

BB00.40-P-0235-00A

Sheet

BB00.40-P-0235-07A

BB00.40-P-0235-07A

BB00.40-P-0235-07A

Number

Designation

Model 129.068,
Model 129.076 as of
01.02.98

BF35.31-P-1001-01C

Filling capacity

Differential

Liters

1.6

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-07A

Sheet

-

Number

Designation

Order number

BR00.45-Z-1061-01A

Sealant, Omnifit 100H (50 g)

A 002 989 23 71

BR00.45-Z-1046-04A

Loctite 7063 cleaning spray (150 ml)

A 001 986 71 71 10