Replacing steering shaft boot

AR46.10-P-0621V

Replacing steering shaft boot

21.10.2015

Model

171 with engine 271

Model

172 with engine 271, 274

Shown on model 171

3

Boot

25

Steering coupling

25a

Screw

25f

Locking plate

80a

Lower steering shaft



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Extend or pull out adjustable steering column fully

2

Deactivate easy entry/exit feature

Model 171 with engine 271
with code 275 (Memory package)
Model 172 with engine 271, 274
with code 275 (Memory package)

Model 171 with engine 271
with code 275 (Memory package)

AR54.30-P-1000-02EDV

Model 172 with engine 271, 274
with code 275 (Memory package)

AR54.30-P-1000-02W


If the vehicle is equipped with the easy entry and exit feature, this will have to be deactivated first.
Otherwise, the driver's seat and the steering wheel move to a different position, when the driver door is opened or closed. If the holding device is installed, the upper frame is damaged when the steering wheel is adjusted.

3

Turn steering wheel to central position (front wheels in straight ahead position) and secure with the retaining device


The steering wheel must not be turned when the steering coupling (25) has been detached.
Otherwise the clock spring contact will be destroyed.

 Retainer device

*129589012100

4

Remove lower engine compartment paneling

Model 171 with engine 271

AR61.20-P-1105V

Model 172 with engine 271, 274

AR61.20-P-1105W

5

Unscrew bolt (25a)

 Bolt, steering coupling to steering shaft

*BA46.10-P-1001-01E

6

Push lower steering shaft (80a) upwards out of the steering coupling (25)

AR46.20-P-0600-01V


Do not use force (hammer blows, excessive leverage).
Otherwise, the lower steering shaft (80a) may be damaged as it is sensitive to force applied from the side.

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

 Installation: Push lower steering shaft (80a) all the way into steering coupling (25), observing the pins of the steering coupling (25) and groove of the lower steering shaft (80a).

7

Detach the locking plate (25f) from the steering coupling (25), while doing so use a suitable tool to lift up the retaining tab

 The locking plate (25f) is not available as a replacement part.

 Installation: Insert new, self-locking nut into existing locking plate (25f). Push on the locking plate (25f) until the retaining tab latches into the steering coupling (25).

8

Pull boot (3) out of firewall and remove from lower steering shaft (80a)

 Installation: Grease and insert boot (3) onto steering column tube in sealing surface area. Ensure that the continuous groove guarantees correct sealing.

Klueber Polylub GLY 801 grease

*BR00.45-Z-1046-06A

9

Install in the reverse order

 Steering shaft

Number

Designation

Model 171

Model 172

BA46.10-P-1001-01E

Bolt, steering coupling to steering shaft

Stage 1

Nm

30

30

Stage 2

°

–

–

Repair materials

Number

Designation

Order number

BR00.45-Z-1046-06A

Klueber Polylub GLY 801 grease

A 001 989 84 51