Removing and installing lower wishbone

AR33.20-P-0510D

Removing and installing lower wishbone

12.9.11

23.7.99

Bolted connection, shock absorber on lower wishbone modified

BT32.20-P-0002-01D

New tightening torque incorporated, refer to work step 7.

*BA32.25-P-1003-01B

 

Removing, installing



The shock absorber with front spring does not have to be removed to remove/install the upper wishbone

 Installation

Replace self-locking bolts and nuts

1

Remove front wheel



AP40.10-P-4050Z

2

Remove lower engine compartment lining

AR61.20-P-1105AB

3

Detach bracket (22b) from torsion bar (22) on both lower wishbones (4)



*BA32.20-P-1001-02E

4

Pull rubber mount (22a) off torsion bar

5.1

Detach linkage for headlamp range adjustment (95b) from lower wishbone (4)

Right side (if fitted)

6

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

AR33.20-P-0440-01D

 Thrust piece

*140589006300

 Puller

*140589093300



*BA33.20-P-1004-01A

7

Detach shock absorber (11) from lower wishbone (4)

 Shock absorber nut (11u) of wishbone

*BA32.25-P-1003-01B



Bolted connection, shock absorber on lower wishbone modified

BT32.20-P-0002-01D

8

Detach lower wishbone (4) from front axle carrier

 Installation: Observe installed position of adjusting rings

Tighten new nuts slightly until they abut.

 Only tighten nuts when the vehicle is on its wheels ready-to-drive.

*BA33.20-P-1010-01A

9

Press supporting joint (7) out of lower wishbone (4)

AR33.20-P-0440-02D



*140589003300



*BA33.20-P-1006-01A



Checking

10

Check shock absorber mount on lower wishbone

If necessary after checking: 

Replace shock absorber mount on lower wishbone.

AR32.25-P-0107D

11

Check front mount of lower wishbone (hydraulic bearing) for condition and leaks

If necessary after checking: 

Replace front absorber mount of lower wishbone.

AR33.20-P-0526D

12

Check rear mount of lower wishbone

If necessary after checking: 

Replace rear absorber mount of lower wishbone.

AR33.20-P-0527D

13

Press supporting joint (7) of steering knuckle mount

If necessary after checking: 

AR33.20-P-0425D

Replace supporting joint

AR33.20-P-0440D

14

Check lower wishbone (4) for distortion and replace if necessary

 Distortion e.g. identifiable by cracked paint.

15

Install in reverse order

16.1

Perform chassis alignment check

 After installing new parts or after accident repair.

AR40.20-P-0200A

Number

Designation

Model 210.08/28

BA32.20-P-1001-02E

Bolt of retaining bracket to wishbone

Nm

20

Number

Designation

Model 210.08/28

BA32.25-P-1003-01B

Self-locking nut of shock absorber to wishbone

–

Nm

–

yellow

Nm

185

silver/blue

Nm

170

Number

Designation

Model 210.08/28

BA33.20-P-1004-01A

Self-locking nut of supporting joint to steering knuckle

Nm

105

BA33.20-P-1006-01A

Self-locking nut of supporting joint to lower wishbone

Nm

105

BA33.20-P-1010-01A

Self-locking nut of lower wishbone to
front axle carrier

Nm

110