Radius Arm: Service and Repair
31 12 050 Removing and installing/replacing left or right tension strutImportant!
Both tension struts must always be replaced!
Necessary preliminary tasks:
^ Remove front assembly underside protection
Release screws (1).
Remove front wheel arch cover (2) from bumper trim.
Installation:
Make sure wheel arch cover is correctly positioned.
Release nut (1) and remove screw (2).
Tightening torque 31 12 1AZ.
Remove tension strut (3) from front axle carrier.
Installation:
Observe assembly sequence (see below)
Replace screw and nut.
Important!
Do not release tension strut from swivel bearing with impact tool.
The swivel bearing must be replaced if the steel bushing moves.
Rubber gaiter of tension strut must not be damaged!
Do not pull stainless steel ring off journal.
Release nut (1) and remove trailing link (2) from swivel bearing.
Tightening torque 31 12 2AZ.
Installation:
Keep tension strut to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut
Important!
Risk of damage!
Observe mounting sequence.
Tension strut must be screwed in normal position!
(Adjustment of normal position, see below).
Installing tension strut:
1. Install tension strut on front axle support (do not tighten down bolt connection)
2. Adjust tension strut to swivel bearing to dimension (A) and tighten on front axle support
Tightening torque 31 12 1AZ.
Dimension (A) = 2 cm (vehicle on vehicle hoist, spring strut rebounded)
Note: Installing the tension strut to dimension (A) corresponds to the normal position in the compressed state!
3. Press tension strut into swivel bearing and tighten tension strut/swivel bearing bolt connection
Tightening torque 31 12 2AZ.