Radius Arm: Service and Repair
31 12 080 Removing and installing/replacing both tension strutsNecessary preliminary tasks:
^ Remove front wheel
^ Remove front underbody protection
^ Remove steering gear cover at side
^ Remove tie rod end from swivel bearing
Unscrew nuts (1).
Tightening torque;
Tension strut to front axle support
Jointing Torque 100 Nm
Torque angle 90° +/- 15
(Replace screw/nut)
Pull out screw (3).
Release nut (2); if necessary, grip at Torx socket.
Tightening torque; Tension strut on steering knuckle/swivel bearing 165 Nm
Twist swivel bearing a little.
Remove tension strut from swivel bearing.
Installation:
Replace self-locking nuts.
Keep journal on ball head and bore hole in swivel bearing free from grease.