Remove/install steering gear

AR46.20-D-0500TE

Remove/install steering gear

27.11.2019

Model

910 with engine 780.703

1

Steering gear

4

Screw

6

Electrical connectors

2

Screw

5

Screw

8

Bracket

3

Stabilizer bar

7

Universal joint

9

Screw

 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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

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

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

Evaluating steering gear when repairing accident vehicles

AH46.20-P-9409-01A

 

Remove/install

1

Fix steering wheel in center position.

AR46.20-D-0500-01TS

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

 Retainer device

*129589012100

 Tensioning nut

*906589002100

2

Remove front wheels.

AR40.10-D-1100TS

3

Remove lower engine compartment paneling.

AR61.20-D-1105TS

4

Remove torsion bar linkage from stabilizer (3).

AR32.35-D-3330TS

5

Remove ball heads of tie rods from steering knuckles.

AR46.40-D-7242TS

6

Remove stabilizer (3) from integral carrier.

 To do so, unscrew bolts (5) then remove nuts and bolts (4). Counterhold bolts (4) while doing so.

 Bolt, stabilizer bar to front axle carrier/integral carrier

*BA32.35-N-1001-02TS

 Nut, transverse control arm to front axle carrier/integral carrier at rear

*BA33.20-N-1004-01TS

7

Disconnect electrical connectors (6) of steering gear (1).

8

Remove holder (8) of electrical wiring harness from steering gear (1).

 To do this, unscrew screw/bolts.

9

Remove universal joint (7) from steering gear (1).

 Installation:
Fasten universal joint (7) correctly on steering gear (1). The groove (arrow) on the shaft of the steering gear (1) must align with the bore in the universal joint (7).
Otherwise the screw (9) cannot be screwed in correctly.

 Installation:
The shown direction of installation of the screw (9) must be observed.
Otherwise malfunctions and damage may occur due to an incorrectly fastened universal joint (7).

 Removal: To do so, unscrew screw (9) and remove universal joint (7) with steering shaft and place outside of working area. Do not remove universal joint (7) from steering shaft.

 WIS Service Media
wsm://04_201900_68

 Screw, lower steering shaft to steering gear

*BA46.10-N-1001-05TS

If universal joint (7) was separated from steering shaft,



Reattach universal joint (7) to steering shaft.

 When doing so, insert the guide groove of universal joint (7) precisely into the steering shaft.

10

Remove screws (2) of steering gear (1).

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

*BA46.20-N-1001-01TS

11

Remove steering gear (1) toward right between integral carrier and longitudinal member.


Carefully remove steering gear (1) toward right.
Otherwise damage may occur.

 When doing so, hold stabilizer (3) out of working area. Aid of helper required.

12

Install in the reverse order.

13

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

 Front axle stabilizer bar

Number

Designation

Model 910

BA32.35-N-1001-02TS

Bolt, stabilizer bar to front axle carrier/integral carrier

Nm

60

 Wheel control, hub

Number

Designation

Model 910

BA33.20-N-1004-01TS

Nut, transverse control arm to front axle carrier/integral carrier at rear

Stage 1

Nm

120

Stage 2

0

180

 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 910

BA46.20-N-1001-01TS

Screw, steering gear to front axle carrier/integral carrier

Stage 1

Nm

150

Stage 2

°

120