Remove/install steering knuckle

AR33.25-P-0400D

Remove/install steering knuckle

6.9.11

26.7.99

Value in BA33.30-P-1001-02A for model 210.08/28 changed from 220 Nm to 280 Nm

23.7.99

Modified tightening torque for twelve-point collar nut, front axle shaft to front axle shaft flange

Refer to step 2.1

*BA33.30-P-1001-02A

23.7.99

Bolted connection, front axle shaft to front axle shaft flange, modified

New step 3.1 included: 

BT33.30-P-0003-01D

Detach/attach hexagon collar bolt on front axle shaft

AR33.30-P-0620-05D

 

Remove/install



For removing/installing the steering knuckle, the damper with front spring must not be removed

 Installation

Replace self-locking nuts and bolts.

1

Remove front wheel



AP40.10-P-4050Z

2.1

Detach twelve-point collar nut (61) of front axle shaft

First version

AR33.30-P-0620-01A



*BA33.30-P-1001-02A



Caulker for securing twelve-point collar nut

WF58.50-P-3330-01A



Bolted connection, front axle shaft to front axle shaft flange, modified

BT33.30-P-0003-01D

3.1

Detach hexagon collar bolt (61a) of front axle shaft

Second version

AR33.30-P-0620-05D



*BA33.30-P-1004-02A

4

Disconnect front axle distributor plug connector (X62/6 or X62/7)

AR33.10-P-0100-06D

5

Move lines of rpm sensor and brake wear indicator out of guides

 Installation: Pay attention to installation of lines.

6

Remove brake disk (34)

AR42.10-P-0220A

7

Detach brake cover plate (35) from steering knuckle



*BA42.10-P-1003-06A

8

Detach rpm sensor (L6/1) and remove bracket (5f)



*BA42.30-P-1001-01A

9

Press the tie rod joint (10a) from the stub axle unit (5)

AR46.40-P-0200-02C

 Thrust piece

*140589006300

 Puller

*202589023300



*BA46.40-P-1002-01A

10

Press supporting joint (7) out of steering knuckle (5)

AR33.20-P-0440-01D

 Thrust piece

*140589006300

 Puller

*140589093300



*BA33.20-P-1004-01A

11

Press follower joint (8) out of steering knuckle (5)

 Secure steering knuckle to prevent it from falling down.

AR33.20-P-0500-01D

 Thrust piece M 10x1.5

*210589046300

 Puller

*124589033300



*BA33.20-P-1002-01A

12

Remove the steering knuckle (5) forwards and in the process move the front axle shaft (60) out of the front axle shaft flange



Check

13

Check supporting joint (8)

AR33.20-P-0425D

14

Measure steering knuckle (5) if necessary

AR40.30-P-0451D

15

Install in the reverse order

16.1

Perform a wheel alignment check

 After installation of new parts.

AR40.20-P-0200A

Number

Designation

Model 210.08/28

BA33.20-P-1002-01A

Self-locking nut, upper wishbone follower joint to steering knuckle

Initially

Nm

45

Inspection

Nm

-

BA33.20-P-1004-01A

Self-locking nut, supporting joint to steering knuckle

Nm

105

Number

Designation

Model 210.08/28

BA33.30-P-1001-02A

Collar nut, front axle shaft to front axle shaft flange

Nm

280

BA33.30-P-1004-02A

Collar bolt, front axle shaft to front axle shaft flange

Nm

270

Number

Designation

Model
210.0

BA42.10-P-1003-06A

Bolt brake cover plate to steering knuckle / wheel carrier

M6

Nm

10

M8

Nm

-

Number

Designation

Model 210

BA42.30-P-1001-01A

Self-locking bolt, front axle rpm sensor to steering knuckle

Nm

22

Number

Designation

Model
210

BA46.40-P-1002-01A

Self-locking nut, tie rod to steering knuckle

Yellow

Nm

60

silver or blue

Nm

70