Remove/install differential assembly

AR35.30-B-0432SP

Remove/install differential assembly

27.11.2019

Rear axle

772.117 in model 979.272/277

with code A59 (Rear axle Meritor MS 06.11x3)

with code A74 (Meritor rear axle self-locking differential)

Modification notes

03.06.2019

Center housing of the rear axle

BF35.10-B-1001-01B

21.06.2019

Center housing of the rear axle

BF35.10-B-1001-01B

27.11.2019

Center housing of the rear axle

BF35.10-B-1001-01B

1

Fastening bolt of the differential assembly

4

Semi-shaft

2

Differential assembly

5

Filler plug

3

Drain plug



Remove

1

Remove the wheels

2

Remove the filling screw (5) and the drain screw (3), and drain the rear axle oil



.

AP35.00-B-3501SP

3

Remove the axle shafts (4)

.

AR35.30-B-0620SP

4

Insert an appropriate lifting device under the differential assembly (2) and lift it slightly


To avoid damages to the axle carrier housing:
Do not lift the vehicle by the axle carrier housing:

5

Remove the fastening bolts of the differential assembly (1)

6

Remove the differential assembly (2)



Install

7

Apply a silicone bead on the seating surface between the faces of the differential carrier housing and the axle carrier housing

 The surface must be clean and dry.
The cord must have approximately a width of 3 mm and be put also around the threaded orifices.

Neutral silicone

*BR00.45-Z-1110-01A

8

Install the differential assembly (2) and tighten the fastening bolts of the differential assembly (1)

 Tighten the fastening bolts of the differential assembly (1) in a crosswise pattern

 .Fastening bolts of the differential set in the axle body

*BA35.31-B-1001-02SP

9

Install the semi-shafts (4)

.

AR35.30-B-0620SP

10

Install the drain plug (3)

 .Oil drain plug

*BA35.10-B-1002-03D

11

Fill the rear axle

 .Center housing of the rear axle

*BF35.10-B-1001-01B

12

Install the filling screw (5)

 .Oil filling plug

*BA35.10-B-1001-03D

To ensure the proper circulation of lubrication oil in all lines:



The vehicle should be driven moderately and the speed should not be higher than 40 km/h.

13

Install the wheels

14

Check the oil lubrication level



.

AP35.10-B-3510SP

 Rear axle.

Number

Designation

Rear axle 772.117

BA35.10-B-1001-03D

Oil filling plug

Nm

47

 Rear axle.

Number

Designation

Rear axle 772.117

BA35.10-B-1002-03D

Oil drain plug

Nm

47

 Differential box

Number

Designation

Rear axle 772.117 in Vehicles 979.272/277

BA35.31-B-1001-02SP

Fastening bolts of the differential set in the axle body

M12X1.75

Nm

100...120

 Rear axle

Number

Designation

Rear axle 772.117

BF35.10-B-1001-01B

Center housing of the rear axle

Filling volume

Litros

7,0

Oil class

Consultar documento AH00.40-B-0001-01MEA no site Mercedes-Benz / Guia de Lubrificantes

Repair materials

Number

Designation

Order number

BR00.45-Z-1110-01A

Neutral silicone

Dow Corning 768