Remove/install rack-and-pinion steering

AR46.20-P-0600GH

Remove/install rack-and-pinion steering

10.9.08

10.9.08

Value modified: Screw joint, return line connection fitting to rack-and-pinion steering

*BA46.20-P-1001-01D

 

Remove/install

 Danger!

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

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

AS00.00-Z-0010-01A

 Danger!

Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.

When moving components, ensure that no body parts or limbs are within the operating range of moving parts.

AS00.00-Z-0011-01A

1

Open engine hood

AR88.40-P-1000GI

2

Extract fluid from power steering pump reservoir

 Hand pump

*210589007100

3

Raise vehicle.

4

Remove front axle gear

AR33.30-P-0525GH

5

Pry the tie rod joints (10a) off the steering knuckles

 Installation: Replace self-locking nuts.

AR46.40-P-0200-02C



*BA46.40-P-1001-01C

 Thrust piece

*140589006300

 Puller

*202589023300

6

Position steering wheel horizontal (front wheels in straight-ahead position)

7

Remove key and engage steering lock

8.1

Unplug speed-sensitive power steering connector from timing case

Only on vehicles with speed-sensitive power steering, code 213a.

9

Detach return line (30f) and high pressure expansion hose (30i)

 Connection fittings or banjo bolts depending on the version. Seal off line connections with plugs.

 Installation: Replace sealing rings.

 Connection fitting, return line

*BA46.20-P-1001-01D

 Connection fitting, high-pressure expansion hose

*BA46.20-P-1002-01D

 Return line hollow-core screw

*BA46.20-P-1004-01D

 Hollow-core screw of high-pressure expansion hose

*BA46.20-P-1005-01D

 Plugs

*129589009100

10

Detach nut (25d) and bolt from the steering coupling (25) and pull lower steering shaft (80a) upwards out of the steering coupling (25)

 Do not use force as the corrugated tube is sensitive to lateral forces. Enlarge clamping groove a little with a screwdriver if necessary.

 Installation: Replace nut (25d).

 Installation: Turn rack-and-pinion steering to center position and fit steering coupling.

AR46.20-P-0600-01GH



*BA46.10-P-1001-01D

11

Detach rack-and-pinion steering (23) from the front axle carrier (1); to do this, unscrew bolts (23a)

 The installation position of the shims (23h, 23i) on the right side between the rubber mount and front axle carrier must be observed as the shims have different thicknesses.

 Installation: Attach rack-and-pinion steering to front axle carrier.

AR46.20-P-0600-03GH



Evaluating steering rack when repairing accident vehicles

AH46.20-P-9409-01A

12

Check rubber mount (21) of rack-and-pinion steering mounting for damage

Replace rubber mount if necessary:



Removing rubber mounts on rack-and-pinion steering mounting

AR46.20-P-0600-02GH

13

Install in the reverse order

14

Fill power steering pump and bleed

Engine 112, 113

AR46.30-P-0010B

Engine 111, 612, 628

AR46.30-P-0010P

15

Check steering for function and leaks

 There is a grease cushion under the cover cap. It is normal for a small amount of grease to escape and this must not be confused with a leak.

16.1

Check front wheel toe and adjust if necessary

When installing a new rack-and-pinion steering, see: 

Perform chassis alignment

AR40.20-P-0200A

Number

Designation

Model Series 163

BA46.10-P-1001-01D

Self-locking nut of steering coupling to steering shaft and rack-and-pinion steering

Nm

28

Number

Designation

Model
163 up to VIN A289559,
X754619

Model
163 as of VIN A289560,
X754620

BA46.20-P-1001-01D

Screw joint, return line connection fitting to rack-and-pinion steering

Nm

30

30

BA46.20-P-1002-01D

Screw joint, high-pressure expansion hose connection fitting to rack-and-pinion steering

Nm

15

15

BA46.20-P-1003-01D

Bolted connection, rack-and-pinion steering to front axle carrier

Nm

50

50

BA46.20-P-1004-01D

Hollow-core screw from return line to rack-and-pinion steering

Nm

30

30

BA46.20-P-1005-01D

Banjo bolt of high-pressure stretch hose to rack-and-pinion steering

Nm

30

30

Number

Designation

Model Series 163

BA46.40-P-1001-01C

Self-locking nut, tie rod to steering knuckle

Nm

55