Remove/install steering gear

AR46.20-D-0500TS

Remove/install steering gear

17.07.2019

Model

907

except code ZG1 (Engageable all-wheel drive)

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

Modification notes

29.11.2018

Method modified

Step 4

29.11.2018

Method extended

Operation steps 5, 8, 9, 15

1

Steering gear

4

Steering knuckle

9

Electrical connectors

2

Nut

7

Bolts

10

Bolts

3

Tie rod end

8

Spring tension mounting console

11

Jam nut

1

Steering gear

5

Universal joint

6

Screw

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Evaluating steering gear when repairing accident vehicles

AH46.20-P-9409-01A

 

Remove/install

1

Remove front wheels.

AR40.10-D-1100TS

2

Unscrew nuts (2) on tie rod end (3) at left and right.

 Nut, ball head to steering knuckle

*BA46.40-N-1003-06TS

3

Remove tie rod end (3) at left and right from respective steering knuckle (4).

 Puller

*221589053300

4

Remove left tie rod end (3).

 Removal: Mark installation position and release counternut (11) far enough to enable tie rod end (3) be removed.

 Installation: Secure tie rod end (3) at marked position. Only tighten counternut (11) after checking and adjusting the toe.

5

Lower vehicle.

6

Turn steering wheel to full right lock.

7

Fix steering wheel in place.

 Tensioning nut

*906589002100

 Retainer device

*129589012100

8

Raise vehicle.

9

Remove lower engine compartment paneling.

If installed.

AR61.20-D-1105TS

10

Remove universal joint (5) from steering gear (1).

 Installation:
Fasten universal joint (5) correctly on steering gear (1). The groove on the shaft of the steering gear (1) must line up with bore in universal joint (5).
Otherwise, the bolt (6) cannot be screwed in correctly.

 Installation:
Always observe the shown direction of installation of the bolt (6).
Malfunction or damage can occur otherwise.

 To do so, remove bolt (6) and universal joint (5) with the steering shaft and place outside working area. Remove universal joint (5) from the steering shaft.

 WIS Service Media
wsm://04_ 201900_68

 Screw, lower steering shaft to steering gear

*BA46.10-N-1001-05TS

If universal joint (5) was disconnected from steering shaft,



Reattach universal joint (5) to steering shaft.

 When doing so, guide the guide groove of universal joint (5) precisely into the steering shaft.

11

Remove spring tension mounting consoles (8) at left and right.


Unscrew screws (7) of spring tension mounting consoles (8) evenly and gradually by approx. 10 mm because the spring tension mounting consoles (6) are under tension.
Otherwise the threads can get damaged.

 To do this, remove bolts (7).

 Screw, lower spring clamp plate to front axle carrier

*BA32.20-N-1001-01A

12

Disconnect electrical connections (9).

13

Remove steering gear (1).


Carefully remove steering gear (1).
Damage to the housing of the steering gear (1) can lead to malfunctions.

 For this purpose, remove screws (10).

 Screw, steering gear to front axle carrier/integral carrier

*BA46.20-N-1001-01TS

14

Install in the reverse order.

15

Teach-in steering gear (1) using vehicle diagnosis system.

If the steering gear (1) was replaced.



Connect/disconnect diagnostic unit

AD00.00-D-2000-06TS

16

Perform chassis alignment.

AR40.20-D-0200TS

 Front-axle steel suspension

Number

Designation

Model 907

BA32.20-N-1001-01A

Screw, lower spring clamp plate to front axle carrier

M8

Nm

29

M10

Nm

-

M12x1.5

Stage 1

Nm

106

Stage 2

°

90

 Steering wheel, steering column tube, steering shaft

Number

Designation

Model 907, 910

BA46.10-N-1001-05TS

Screw, lower steering shaft to steering gear

Nm

28

 Steering gear

Number

Designation

Model 907
except code ZG1 (Engageable all-wheel drive)
except code ZG3 (Engageable all-wheel drive with gear reduction)

BA46.20-N-1001-01TS

Screw, steering gear to front axle carrier/integral carrier

Stage 1

Nm

150

Stage 2

°

60

 Steering linkage

Number

Designation

Model 907, 910

BA46.40-N-1003-06TS

Nut, ball head to steering knuckle

Stage 1

Nm

60

Stage 2

°

120