ar3530d0465a

Disassemble, assemble differential

Type ar · topic 35.30 · version 0105 · 2009-11-23

Applies to: REAR AXLE 742.501/ 487

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.30 Final drive, drive shafts

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.65 Rear axle differential/axle through-drive

Also applies to engines/gearboxes: 742 487, 742 501

AR35.30-D-0465A

Disassemble, assemble differential

16.11.09

REAR AXLE 742.501/ 487

Disassemble, assemble differential

D35.30-0131-08

1 Tapered roller bearing

2 Upper half of differential housing

3 Ring gear

4 Thrust washer

5 Differential side gear

6 Spherical washer

13 Bolt, upper differential housing half/ring gear

14 Bolt, upper/lower half of differential housing

7 Differential pinion

8 Differential spider

9 Differential side gear

10 Thrust washer

11 Inner differential half case

12 Tapered roller bearing

Disassemble

1

Remove ring gear with differential

AR35.30-D-0464A

2

Pull off tapered roller bearings (12 and 1)

*123589083300

3

Unscrew bolts (13 and 14)

Place differential in support and clamp with a suitable thrust piece.

*337589023100

*422589020900

4

Separate top half of differential housing (2) from bottom half of differential housing (11)

Knock down crown wheel (3) using a rubber mallet.

5

Remove differential side gear (5) with thrust ring (4) from differential spider (8)

6

Remove differential spider (8) with differential bevel gears (7) from bottom half of differential housing (11)

7

Remove dished washers (6) with differential bevel gears (7) from differential spider (8)

8

Remove differential side gear (9) and thrust ring (10) from bottom half of differential housing (11)

Assemble

9

Insert pressure plate (10) and differential side gear (9) in the lower half of the differential housing (11)

Lubricate pressure plate (10).

*BR00.45-Z-1023-06A

10

Push differential pinions (7) with spherical washers (6) centrally onto bearing shafts of differential spider (8).

Oil the components.

*BR00.45-Z-1023-06A

11

Install differential spider (8) in bottom half of differential housing (11)

12

Place differential side gear (5) with thrust washer (4) on the differential spider (8)

Lubricate pressure plate (4).

*BR00.45-Z-1023-06A

13

Place top half of differential housing (2) on bottom half of differential housing (11)

Note the positions of the reference marks on the half case sections. Fit the housing halves together so that the markings are in alignment. Only assemble housing halves with the same identification number.

14

Screw in bolts (14) for top and bottom halves of differential housing

Use new bolts.

*BA35.30-N-1004-02B

*422589020900

15

Raise crown wheel (3) and screw in bolts (13)

Use new bolts.

*BA35.30-N-1001-02B

*422589020900

16

Drive tapered roller bearings (1 and 12) as far as possible onto differential housing

Heat up tapered roller bearing to approx. 80 °C.

17

Install crown wheel with differential

AR35.30-D-0464A

Rear axle drive

Number

Designation

Rear axle 742 except 742.487/501

Rear axle 742.487/501

BA35.30-N-1001-02B

Ring gear to differential housing

M121

10.9

Nm

300

300

M141

12.9

Nm

300

300

BA35.30-N-1004-02B

Bolt, top half to bottom half of differential housing

M141.5

12.9

Nm

280

280

Disassemble, assemble differential
Disassemble, assemble differential
Disassemble, assemble differential

337 589 02 31 00

Puller

Mount

Wrench socket

422 589 02 09 00

123 589 08 33 00

Repair materials

Number

Designation

Order number

BR00.45-Z-1023-06A

Hypoid gear oil

A 000 989 28 03

Referenced documents