Remove/install upper steering shaft

AR46.10-S-7315E

Remove/install upper steering shaft

20.02.2020

Model

447 with engine 622

Model

447 with engine 780.701/702

Modification notes

19.02.2020

Work procedure revised

The whole document

1

Screw

2

Universal joint

3

Lower steering shaft

4

Boot

5.1

Nuts

5.2

Nut

6

Screw

7

Universal joint

8

Steering column tube

9

Upper steering shaft

4

Boot

9

Upper steering shaft

 Caution

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 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.Model 447 with engine 780.701/702

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 with aluminum screws/bolts

AH00.00-P-0006-01RM

Topical note

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

AH00.00-P-0020-01A

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

Model 447 with engine 780.701/702

AH00.00-Z-0300-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

 

Remove/install

1

Move steering gear to suitable position.

AR46.20-S-0500-01E

 Screw (1) must be accessible.

 Retainer device

*129589012100

2

Remove air filter housing.

Model 447 with engine 622

AR09.10-S-1150EF

 Move engine oil filler neck out of working area.

3

Remove nuts (5.1).

 Nut, boot of steering shaft to firewall

*BA46.10-N-1005-01A

If necessary,



push electric lines and hoses slightly to one side.

4.1

Raise vehicle.

Model 447 with engine 622
Model 447 with engine 780.701

AR00.60-S-1000E

4.2

Remove bottom engine compartment paneling.

Model 447 with engine 780.702

AR61.20-S-1105E

5

Remove screw (1).

 Installation: Slide screw (1) completely through groove (arrow A).

 Screw/bolt, steering shaft upper part universal joint to steering shaft lower part

*BA46.10-N-1003-01A

6

Remove universal joint (2) from lower steering shaft (3).

 Installation:
Mount universal joint (2) correctly onto lower steering shaft (3).
Otherwise, the universal joint (2) will be incorrectly fastened.

7

Remove nut (5.2).

 Nut, boot of steering shaft to firewall

*BA46.10-N-1005-01A

8

Remove cover at left under instrument panel.

Model 447.6/7 with code LC7 (Illumination for front footwell), model 447.8

AR68.10-S-1500E

9

Remove bolt (6).

 Installation: Slide screw (6) completely through groove (arrow C).

 Bolt, universal joint of steering shaft to steering column tube

*BA46.10-N-1004-01A

10

Remove universal joint (7) from steering column tube (8).

 Installation:
Mount universal joint (7) correctly onto steering column tube (8).
Otherwise, the universal joint (7) will be incorrectly fastened.

11

Remove upper steering shaft (9).

 Installation:
Apply light coating of grease to bearing of upper steering shaft (9) in boot (4) (arrows B).
This prevents noise generation.

Special grease lubricant

*BR00.45-Z-1085-06A

12

Install in the reverse order.



Check

13

Perform test drive to check the steering wheel position.

If steering wheel position is incorrect,



perform suitable repair measures.

 Steering shaft

Number

Designation

Model 447, 448

BA46.10-N-1003-01A

Screw/bolt, steering shaft upper part universal joint to steering shaft lower part

Stage 1

Nm

15

Stage 2

°

180

 Steering shaft

Number

Designation

Model 447, 448

BA46.10-N-1004-01A

Bolt, universal joint of steering shaft to steering column tube

Stage 1

Nm

15

Stage 2

°

180

 Steering shaft

Number

Designation

Model 447, 448

BA46.10-N-1005-01A

Nut, boot of steering shaft to firewall

Nm

9

Repair materials

Number

Designation

Order number

BR00.45-Z-1085-06A

Special grease lubricant

A 000 989 38 60