31 12 002 Removing and Installing/Replacing Top Left Control Arm

31 12 002 Removing and installing/replacing top left wishbone





Special tools required:
^ 33 5 206





Note:
(Only for F01,F02,F07,F10)

Control arms with + or - marking (see illustration) are camber correction arms:

- Underdimension variant

+ Overdimension variant

These camber correction arms are used to correct the camber values by 30 minutes. To be used only if the tolerance values are exceeded or undershot!

An unmarked control arm is a standard part.

Necessary preliminary tasks:
^ Remove front wheel





^ Remove fluid reservoir for power steering from wheel arch
^ N74 only:
E_Box remove from wheel arch





Release screw (1) on wishbone (2) and remove.

Tightening torque 31 12 5AZ.





Secure swivel bearing (1) 33 5 206with tensioning belt to spring (2).

Release nut (1) and remove ride height sensor jointed rod from wishbone.





Installation note:
Replace self-locking nut.

Tightening torque 37 14 5AZ.

Release nut (2) and remove bolt (3).

Installation note:
Keep wishbone to swivel bearing connection clean and free from oil and grease.

Note direction of insertion of screw.

Screw must rest correctly in groove of ball stud!

Replace screw and nut.

Tighten wishbone as far as it will go in relation to swivel bearing.

Tightening torque 31 12 6AZ.





Release spring strut (1) on lower wishbone (2).

Tightening torque 31 12 7AZ.

Release screw (1); if necessary, grip at nut (F03).

Pull spring strut outwards and remove screw (1).

Remove wishbone (2).





Tightening torque 31 12 5AZ.





Important!
Risk of damage!

Observe assembly sequence.

Upper wishbone must be screwed in normal position! (Adjustment of normal position, see below).





1. Insert bolt (2) (do not tighten down)
2. Adjust upper wishbone to body to dimension (A)
3. Tighten down screw (2)
Tightening torque 31 12 5AZ.
4. Tighten down screw (1)
Tightening torque 31 12 5AZ.
5. Tighten spring strut/wishbone (lower) screw connection
Tightening torque 31 12 7AZ.
6. Tighten wishbone/swivel bearing (3) screw connection
Tightening torque 31 12 6AZ.

Adjusting normal position:





Installation note:
Secure control arm (1) to body vertically to dimension (A) = 85 mm.

2� :