Remove/install front wheel hub

AR33.20-W-0310D

Remove/install front wheel hub

2.3.12

12.2.02

Grease quality for wheel bearings revised

Steps 14 and 19



Removing

1

Remove wheel

AR40.10-W-1100A

2

Remove brake drum

AR42.10-W-1010A

3

Remove ABS sensor

AR42.30-W-0150A

4

Remove cover (12)

5

Loosen cylinder head bolt (9) and screw off clamp nut (10)



*389589001300

6

Remove thrust plate (8)

7

Pull off front wheel hub (5).

 Secure front wheel hub using suitable lifting equipment.

AR33.20-W-0310-01A



*739589004300

8

Detach pulling device from front wheel hub

9

Remove outer tapered roller bearing (7) from front wheel hub (5)

10

Remove ABS measuring ring

AR42.30-W-0160G

11

Remove inner tapered roller bearing (3) and radial sealing ring (2) from front wheel hub (5)



*000589683300



*000589353300

12

Check condition of inner and outer tapered roller bearings (3, 7)

 If worn: 

Inner and outer tapered roller bearing outer races (4 and 6).



*000589163300



*000589683300



*000589353300



Install

13

Install inner and outer tapered roller bearing outer races (4 and 6) in front wheel hub (5)

 Drive inner and outer tapered roller bearing outer races into front wheel hub using a suitable drift.

14

Install inner tapered roller bearing (3) and radial sealing ring (2) in front wheel hub (5)



 Use new radial sealing ring. Coat radial sealing rings without rubberized external surface with sealant on outer circumference. Grease sealing lips.

*620589031500



Wheel bearing grease (NLGI grade 2)

Sheet 267.1

BB00.40-P-0267-01A

*BR00.45-Z-1092-02A

*BR00.45-Z-1034-06A

15

Install ABS measuring ring

AR42.30-W-0160G

16

Fill front wheel hub (5) with grease

*BR00.45-Z-1034-06A



*BF33.20-N-1001-01B

17

Pull on front wheel hub (5)

 Secure front wheel hub using suitable lifting equipment.

AR33.20-W-0310-04A



*739589004300

18

Detach pulling device from front wheel hub (5)

19

Grease outer tapered roller bearing (7) and install in front wheel hub (5)



*389589011500



Wheel bearing grease (NLGI grade 2)

Sheet 267.1

BB00.40-P-0267-01A

*BR00.45-Z-1034-06A

20

Install thrust washer (8) and clamping nut (10)

21

Tighten clamping nut (10) until all play is eliminated from tapered roller bearing seat

 When tightening, spin front wheel hub and tap wheel hub a few times with a rubber mallet in a cross pattern.



*BA33.20-N-1002-01B



*389589001300

22

Checking and adjusting wheel bearing play

AR33.20-W-0310-13D

*BE33.20-N-1001-01B



*363589022100



*001589532100



*389589001300

23

Secure clamping nut (10) with pan head bolt (9)



*BA33.20-N-1003-01B

24

Attach cover (12) with new gasket (11)



*BA33.20-N-1004-01B

25

Install ABS sensor

AR42.30-W-0150A

26

Install brake drum

AR42.10-W-1010A

27

Mount wheels

AR40.10-W-1100A

Number

Designation

Front axle 739.4

Front axle 739.5

BE33.20-N-1001-01B

Wheel bearing play at front axle

mm

0.02...0.04

0.02...0.04

Number

Designation

Front axle
739.41

Front axle 739.3/5/9

BA33.20-N-1002-01B

Clamp nut at steering knuckle

M451.5

Nm

240

240

BA33.20-N-1003-01B

Bolt at clamping nut

Nm

65

65

BA33.20-N-1004-01B

Bolt, cover to wheel hub

M8

Nm

35

35

M10

Nm

45

45

M121.5

Nm

85

85

Number

Designation

Front axle 739.410

Front axle 739.411

Front axle
739.5

BF33.20-N-1001-01B

Multipurpose grease

Capacity per wheel hub

g

165

180

180

Specifications for Operating Fluids

Sheet

BB00.40-P-0267-01A

BB00.40-P-0267-01A

BB00.40-P-0267-01A

Number

Designation

Order number

BR00.45-Z-1092-02A

Adhesive kit, body, 2-component adhesive

A 009 989 36 71

BR00.45-Z-1034-06A

MB multipurpose grease

A 001 989 34 51 10