Remove/install steering coupling

AR46.10-P-8000RG

Remove/install steering coupling

2.12.14

MODEL

190

1

Rack-and-pinion steering

6

Bolts

2

Screw

7

Bracket

3

Steering coupling

8

Lower steering shaft

4

Left bulkhead

Y58/1

Switchover valve

5

Screw

 Danger !

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

 Danger !

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

 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



Notes on working in engine compartment

AH60.00-P-0042-01RG



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Deactivate easy entry/exit function for driver's seat and steering wheel


The easy entry/exit function for driver seat and steering wheel must be deactivated.
When the holding device is subsequently attached to the steering wheel, damage can otherwise occur when the position of the driver seat and steering wheel changes.

 Only on vehicles with CODE P64 (Memory package).

2

Switch off ignition, remove transmitter key if necessary and lay transmitter key down outside of KEYLESS-GO transmission range

3

Move steering wheel into center position and fix in position using holding device


The steering wheel must not be turned when the steering coupling (3) has been detached.
The clock spring contact in the steering column tube module will otherwise be destroyed.

 Retainer device

*129589012100

4

Raise vehicle with vehicle lift

AR00.60-P-1000RG

5

Detach lower engine compartment paneling

AR61.20-P-1105RG

 Remove only the center engine compartment paneling.

 Installation: Only install the center engine compartment paneling after a test run has been performed.

6

Unscrew bolt (2)

 The steering coupling (3) remains on the rack-and-pinion steering (1).

 Safety screw and steering coupling locknut to rack-and-pinion steering

*BA46.10-P-1002-01E

7

Lower vehicle and open engine hood



Notes on working in engine compartment

AH60.00-P-0042-01RG

8

Detach left bulkhead (4)

9

Unhook switchover valve (Y58/1) from bracket

10

Remove screw/bolt (5)

 Bolt, steering coupling to steering shaft

*BA46.10-P-1001-01E

11

Remove screws/bolts (6) and detach bracket (7) of steering coupling (3) from longitudinal member

 Installation: Make sure that the bracket (7) is seated correctly on the longitudinal member, and screw in the screws/bolts (6) only finger-tight at first.

 Installation: Only tighten the screws/bolts (6) to the specified torque when the screw/bolt (5) (steering coupling (3) to rack-and-pinion steering (1)) and the screw/bolt (2) (steering coupling (3) to lower steering shaft (8)) are tightened to the specified torque.

 Bolt, steering shaft bearing bracket to longitudinal member

*BA46.10-P-1009-01E

12

Detach steering coupling (3) from lower steering shaft (8) in direction of arrow

 Installation: Make sure that the seal bellows is seated correctly.

13

Release steering coupling (3) from rack-and-pinion steering (1) and remove steering coupling (3) toward rear and downward


Do not use force such as hammer blows or excessive leverage.
Damage to the steering coupling (3) and to the rack-and-pinion steering (1) can otherwise occur.

 Installation: First attach the steering coupling (3) at the correct installation position on the rack-and-pinion steering (1).

14

Install in the reverse order

 Steering shaft

Number

Designation

MODEL 190

BA46.10-P-1001-01E

Bolt, steering coupling to steering shaft

Stage 1

Nm

30

Stage 2

°

–

 Steering shaft

Number

Designation

MODEL 190

BA46.10-P-1002-01E

Safety screw and steering coupling locknut to rack-and-pinion steering

Nm

28

 Steering shaft

Number

Designation

MODEL 190

BA46.10-P-1009-01E

Bolt, steering shaft bearing bracket to longitudinal member

Nm

–