ar3530d4815s

Remove and install drive pinion and ring gear with differential

Type ar · topic 35.30 · version 0302 · 2020-02-19

Applies to: Rear axle 741.421/422/423/453/454/455 in model 906 Rear axle 741.421/455 in model 900

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.30 Final drive, drive shafts — Series 900 · Series 906

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.65 Rear axle differential/axle through-drive — Series 900 · Series 906

Also applies to engines/gearboxes: 741 421, 741 422, 741 423, 741 453, 741 454, 741 455

AR35.30-D-4815S

Remove and install drive pinion and ring gear with differential

18.02.2020

Rear axle

741.421/422/423/453/454/455 in model 906

Rear axle

741.421/455 in model 900

Modification notes

04.12.2018

Workshop equipment 000 588 00 31 01 Adapter replaced by 000 588 07 31 00 Axle mounting adapter.

Operation step 4

Remove

1

Drain oil from rear axle

AP35.00-D-3501A

2

Remove complete rear axle


Rear axle 741.421/423 in model 906.11/13/21/23/61/63/71/73
Rear axle 741.421/455 in model 900
Rear axle 741.422/453/454/455 in model 906.15/25/65

AR35.10-D-0010I

3

Clear outside of rear axle housing

4

Fix rear axle in place on assembly device

000 588 00 31 00 Assembly stand for cars

WS01.00-N-3028B

000 588 07 31 00 Axle mount adapter

WS33.00-N-0249B

5

Remove both rear axle shafts


Rear axle 741.422/453/454/455 in model 906
Rear axle 741.455 in model 900

AR35.30-D-0620B

Rear axle 741.421 in model 900
Rear axle 741.421/423 in model 906

AR35.30-D-0620H

6

Remove joint flange at drive pinion

AR35.30-D-4670-01S

Retainer wrench

*717589003100

Puller

*035589013300

7

Detach end cover from rear axle housing

AR35.31-D-0554H

8

Remove differential from rear axle housing

AR35.30-D-4815-01S

Spreader

*741589036300

9

Check tapered roller bearing on differential

In event of wear or damage

Replace tapered roller bearing on differential

Detach tapered roller bearings from differential case

AR35.30-D-4301-01S

Install tapered roller bearings on differential housing

AR35.30-D-4300-05S

Puller

*001589503300

Thrust piece

*463589013400

Collet chuck

*463589023400

10

Remove radial shaft sealing ring

AR35.31-D-0530-06S

Drift

*741589021500

11

Remove drive pinion with bearing and spacer washer from rear axle housing

AR35.31-D-0550-07S

Internal extractor

*000589313300

Counter stay

*000589343300

Puller

*000589893300

12

Check outer tapered roller bearing and inner tapered roller bearing

If wear or damage are present,

Replace outer tapered roller bearings and inner tapered roller bearings.


AR35.30-D-4300-01S

Puller

*001589193300

13

Clean sealing surfaces and rear axle housing on inside

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Loctite 7200

*BR00.45-Z-1038-04A

Install

14

Measure basic dimension at differential

AR35.30-D-4815-02S

For the following determination of the thickness of the spacer washers, the internal size of the rear axle housing and the differential must be measured.

Adjusting device

*906589012100

15

Determine thickness of spacer washers for the differential on the rear axle housing

AR35.30-D-4815-03S

Preload of differential bearing

*BE35.30-N-1002-01B

16

Measure difference dimension of drive pinion

AR35.30-D-4815-06S

For the following determination of the thickness of the spacer washers, the difference dimension for the drive pinion must be determined.

Dial indicator holder

*363589022100

Dial gauge

*001589822100

Adjusting device

*906589012100

Measuring plate

*140589162300

17

Measuring basic dimension at rear axle housing and determining thickness of shim for correcting basic dimension

AR35.30-D-4815-07S

Specified basic dimension for rear axle housing

*BE35.30-N-1004-01B

Adjusting device

*906589012100

Dial gage

*001589532100

18

Installing drive pinion with bearing in rear axle housing

AR35.30-D-4815-09S

Nut, joint flange to drive pinion

*BA35.30-N-1005-01A

Friction torque of drive pinion bearing

*BE35.30-N-1001-01B

Torque meter

*001589492100

Retainer wrench

*717589003100

Measuring device

*741589022100

Insertion tool

*741589004300

Pressing-on tool

*741589016300

19

Install radial shaft sealing ring

AR35.31-D-0530-06S

Drift

*741589021500

20

Install joint flange at drive pinion

AR35.30-D-4670-03S


Use new joint flange.
Otherwise leakage may occur.

Replace collar nut.

Nut, joint flange to drive pinion

*BA35.30-N-1005-01A

Retainer wrench

*717589003100

21

Secure collar nut on joint flange drive pinion

AR35.30-D-4670-04S

22

Install differential into rear axle housing

AR35.30-D-4815-04S

Bearing bracket of differential housing to axle centerpiece

*BA35.30-N-1002-02A

Rear axle differential gear backlash

*BE35.30-N-1005-01B

Dial gage

*001589532100

Dial indicator holder

*363589022100

Spreader

*741589036300

23

Mount end cover to rear axle housing

AR35.31-D-0554H

Replace seal.

24

Install both rear axle shafts


Rear axle 741.422/453/454/455 in model 906
Rear axle 741.455 in model 900

AR35.30-D-0620B

Rear axle 741.421 in model 900
Rear axle 741.421/423 in model 906

AR35.30-D-0620H

25

Detach rear axle from assembly device

26

Install complete rear axle


Rear axle 741.421/423 in model 906.11/13/21/23/61/63/71/73
Rear axle 741.421/455 in model 900
Rear axle 741.422/453/454/455 in model 906.15/25/65

AR35.10-D-0010I

27

Pour in oil at rear axle

AP35.00-D-3501A


The rear-axle's correct oil filling capacity must be strictly observed.
Otherwise the rear axle may be damaged.

Test and adjustment values for rear axle drive

Number

Designation

Rear axle 741.421/422/453/454/455/456

Rear axle 741.423

BE35.30-N-1001-01B

Friction torque of drive pinion bearing

with radial shaft sealing ring

Nm

1,85...3,94

1,85...3,94

without radial shaft sealing ring

Nm

1,65...3,74

1,65...3,74

Test and adjustment values for rear axle drive

Number

Designation

Rear axle 741.421/422/453/454/455/456

Rear axle 741.423

BE35.30-N-1002-01B

Preload of differential bearing

mm

0,20

0,20

Test and adjustment values for rear axle drive

Number

Designation

Rear axle 741.421/422/453/454/455/456

Rear axle 741.423

BE35.30-N-1004-01B

Specified basic dimension for rear axle housing

mm

74,5

66

Test and adjustment values for rear axle drive

Number

Designation

Rear axle 741.421/422/453/454/455/456

Rear axle 741.423

BE35.30-N-1005-01B

Rear axle differential gear backlash

mm

0,10...0,15

0,10...0,15

Axle drive

Number

Designation

Rear axle 741.423

Rear axle 741.421/422/453/454/455/456

BA35.30-N-1002-02A

Bearing bracket of differential housing to axle centerpiece

M10

Stage 1

Nm

30

-

Stage 2

°

60

-

M121.5

Stage 1

Nm

-

40

Stage 2

°

-

60

M162

Nm

-

-

Rear axle shaft

Number

Designation

Rear axle 741.421/423

Rear axle 741.422/453/454/455/456

BA35.30-N-1005-01A

Nut, joint flange to drive pinion

200

200

Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential

741 589 02 21 00

Measuring device

000 589 31 33 00

Internal extractor

741 589 02 15 00

Drift

741 589 03 63 00

Spreader

Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential

741 589 01 63 00

Pressing-on tool

000 589 89 33 00

Puller

463 589 02 34 00

Collet chuck

001 589 53 21 00

Dial gage

Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential

001 589 19 33 00

Puller

140 589 16 23 00

Measuring plate

741 589 00 43 00

Insertion tool

001 589 82 21 00

Dial gauge

Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential

001 589 49 21 00

Torque meter

000 589 34 33 00

Counter stay

906 589 01 21 00

Adjusting device

001 589 50 33 00

Puller

Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential
Remove and install drive pinion and ring gear with differential

463 589 01 34 00

Thrust piece

035 589 01 33 00

Puller

363 589 02 21 00

Dial indicator holder

717 589 00 31 00

Retainer wrench

Repair materials

Number

Designation

Order number

BR00.45-Z-1038-04A

Loctite 7200

Henkel AG & Co. KGaA
http://www.loctite.de

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09

Referenced documents