Remove/install front axle half

AR33.10-S-0200P

Remove/install front axle half

26.11.2018

Model

470, 471 with engine 642

Model

470, 471 with engine 699

with code ZG3 (Engageable all-wheel drive with gear reduction)

Modification notes

26.11.2018

Work procedure updated, display adapted

Operation steps 1 to 38

Shown on model 470, left side of vehicle

1

Cotter pin

2

Front-axle half

3

Tie rod joint

4

Stabilizer bar

5

Nut

6

Stabilizer bar linkage

7

Front axle shaft

8

Nut

9

Cotter pin

10

Steering knuckle

11

Brake hose

12

Lower control arm

13

Suspension strut

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A



Remove

1

Remove each front wheel.

AR40.10-S-1100P

2

Remove cotter pin (9).

 Dispose of cotter pin (9).

3

Remove hub cover at front wheel.

Model 470, 471 with code R1A (43.2 cm (17'') LM wheels in 6-spoke design), model 470, 471 with code R1C (45.7 cm (18'') LM wheels in 6-double-spoke design), model 470, 471 with code R1E (48.3 cm (19'') LM wheels in 6-double-spoke design)

4

Attach front wheel with three wheel nuts.

AR40.10-S-1100P

5

Lower vehicle.

 Front wheel must be touching the ground.

6

Unscrew nut (8).

7

Remove front wheel.

AR40.10-S-1100P

8

Remove brake hose (11) from brake line.

AR42.10-S-0026P

 Seal connections immediately.

9

Remove electrical line of rpm sensor.

AR42.30-S-0713P

 To do so, disconnect rpm sensor electrical connector and remove electric line of rpm sensor on body.

10

Remove torsion bar linkage (6) from stabilizer bar (4).

AR32.35-S-3330P

11

Remove tie rod joint (3) from steering knuckle (10).

AR46.40-S-0200-02P

 Puller

*221589053300

12

Support front-axle half (2) and secure against falling down with tensioning strap.



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

 Commercially available devices/tools
Tensioning strap

13

Remove upper transverse control arm from steering knuckle(10).

AR33.20-S-0500P

14

Remove lower control arm (12) from front axle carrier.

AR33.20-S-0510P

15

Remove suspension strut (13) from body.

AR32.25-S-1017P

16

Tilt steering knuckle (10) to side and, while doing so, remove front axle shaft (7) from wheel hub.

17

Secure front axle shaft (7) against falling down.

18

Lower front-axle half (2) and remove.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

 The front-axle half (2) consists of the steering knuckle (10), suspension strut (13) and lower transverse control arm (12).



Install

19

Position front-axle half (2) with major assembly mount and mounting plate on vehicle.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

20

Insert front axle shaft (7) into wheel hub.

21

Screw on nut (8) lightly by hand.

22

Attach suspension strut (13) to body.

AR32.25-S-1017P

23

Attach lower control arm (12) to front axle carrier.

AR33.20-S-0510P

24

Mount upper transverse control arm onto steering knuckle(10).

AR33.20-S-0500P

25

Attach tie rod joint (3) at steering knuckle (10).

AR46.40-S-0200-02P

 Replace cotter pin(1).

 Nut, tie rod joint to steering knuckle

*BA46.40-N-1003-01P

26

Attach torsion bar linkage (6) to stabilizer bar (4).

AR32.35-S-3330P

 Replace the nut (5).

27

Connect rpm sensor electrical connector and attach electric line of rpm sensor to body.

AR42.30-S-0713P

28

Attach brake hose (11) to brake line.

AR42.10-S-0026P

29

Remove major assembly mount and mounting plate as well as tensioning strap.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

 Commercially available devices/tools
Tensioning strap

30

Attach front wheel with three wheel nuts.

AR40.10-S-1100P

31

Lower vehicle.

 Front wheel must be touching the ground.

32

Tighten nut (8).

 Nut, front axle shaft to wheel hub

*BA33.30-N-1001-02P

33

Remove front wheel.

AR40.10-S-1100P

34

Install new cotter pin (9).

35

Attach hub cover at front wheel.

Model 470, 471 with code R1A (43.2 cm (17'') LM wheels in 6-spoke design), model 470, 471 with code R1C (45.7 cm (18'') LM wheels in 6-double-spoke design), model 470, 471 with code R1E (48.3 cm (19'') LM wheels in 6-double-spoke design)

36

Mount front wheel.

AR40.10-S-1100P

37

Bleed brake system.

AR42.10-S-0010P

38

Perform chassis alignment.

AR40.20-S-0200P

 Front axle shaft

Number

Designation

Model 470, 471

BA33.30-N-1001-02P

Nut, front axle shaft to wheel hub

Nm

319

 Tie rod

Number

Designation

Model 470, 471

BA46.40-N-1003-01P

Nut, tie rod joint to steering knuckle

Nm

50