ar3530y0432d

Remove/install differential assembly

Type ar · topic 35.30 · version 0101 · 2019-12-04

Applies to: Rear axle 400.780 in model 400.281

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.30 Final drive, drive shafts — Series 400 (models 281, 780)

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.65 Rear axle differential/axle through-drive — Series 400 (models 281, 780)

AR35.30-Y-0432D

Remove/install differential assembly

04.12.2019

Rear axle

400.780 in model 400.281

Remove/install differential assembly

Y35.30-0102-09

Rear forward drive head removal procedure

1

Spare wheel

6

Differential lock sensor

2

Drain plug

7

Air line from the interlock unit

3

Air line from the differential unit

8

Harness socket from inter lock unit

4

Breather hose from differential lock unit

9

Intermediate shaft

5

Harness socket from differential lock unit

Remove/install differential assembly

Y35.30-0103-07

10

Propeller shaft

12

Removal fixture

11

Axle shaft

13

Differential assembly

Remove/install differential assembly

Y35.30-0104-09

Rear forward drive head refitment procedure

7

Air line from the interlock unit

12

Removal fixture

8

Harness socket from inter lock unit

13

Differential assembly

9

Intermediate shaft

14

Sealant

10

Propeller shaft

15

Guide bolts

11

Axle shaft

Remove/install differential assembly

1

Spare wheel

2

Drain plug

3

Air line from the differential unit

4

Breather hose from differential lock unit

5

Harness socket from differential lock unit

6

Differential lock sensor

Y35.30-0107-06

Remove/install

1

Remove the spare wheel (1)

By using 32 mm hexagonal socket and ratchet.

Installation: By using 32 mm hexagonal socket and torque wrench.

2

Remove the drain plug (2) from differential assembly

3

Remove the air line (3) from the differential unit

4

Pull out the breather hose (4) and disconnect the harness socket (5) from differential lock unit.

Release air from auxiliary air tanks before starting any service procedure

5

Remove the differential lock sensor (6) and install the dummy bolt on the slot of the differential lock sensor

By using 24 mm, 27 mm hexagonal socket and ratchet, wrench.

Ensure that the dummy bolt is installed instead of the differential lock sensor, before removing the axle shaft from the axle housing

6

Remove the air line (7) from the interlock unit

7

Disconnect the harness socket (8) from inter lock unit.

Release air from axillary air tanks before starting any service procedure.

8

Remove intermediate shaft (9) from the rear forward axle and rear rearward axle

By using 18 mm socket and wrench.

Support the propeller shaft by hand to prevent it from dropping down.

Installation: By using 18 mm socket and torque wrench.

Install intermediated shaft from the rear forward axle and rear rearward axle

*BA35.10-Y-1035-03B

9

Remove the propeller shaft (10) between the rear forward axles drive head flange and transmission flange

By using 18 mm ring spanner.

Installation: By using 18 mm socket and torque wrench.

Install the propeller shaft mounting bolts between the rear forward axles drive head flange and transmission

*BA35.10-Y-1036-03B

10

Remove the axle shafts (11) from the side wheel hubs

By using 24 mm hexagonal socket and ratchet.

11

Attach removal fixture (12) to differential assembly

12

Remove differential assembly (13) from the rear axles and pull out the differential assembly from the vehicle

By using 24 mm hexagonal socket and ratchet.

Installation: Apply the sealant (14) to the differential housing.

Insert and tighten the guide bolts (15) into axle housing for installing differential assembly.

By using 24 mm hexagonal socket and torque wrench.

Install differential assembly to the vehicle

*BA35.10-Y-1037-03B

13

Install in the reverse order

Rear axle

Number

Designation

Rear axle 400.780/781 in model 400.241/243/281

BA35.10-Y-1035-03B

Install intermediated shaft from the rear forward axle and rear rearward axle

Nm

988

Rear axle

Number

Designation

Rear axle 400.780/781 in model 400.241/243/281

BA35.10-Y-1036-03B

Install the propeller shaft mounting bolts between the rear forward axles drive head flange and transmission

Nm

988

Rear axle

Number

Designation

Rear axle 400.780/781 in model 400.241/243/281

BA35.10-Y-1037-03B

Install differential assembly to the vehicle

Nm

230