Removing and Installing/Replacing Rear Active Stabilizer

37 12 220 - Removing and installing/replacing rear active stabilizer





Important!
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off pipe connections with plugs.

Note:
A light film of grease on the anti-friction bearing in no way impairs the operational capability of the stabilizer.
In all warranty cases you must always provide a fault memory printout, even where there is no fault memory entry, with the defective part.





Necessary preliminary tasks:
- Remove complete rear axle carrier Removing and Installing Complete Rear Axle Carrier





Important!
To prevent the stabilizer from being distorted, secure first the left retaining bracket (without elongated holes) and then the right retaining bracket (with elongated holes) to the rear axle carrier.





Release screws (1) on both sides.
Check roller bearing on both sides for damage, replace stabilizer if necessary (slight discharge of grease OK).

Installation Note:
Check rubber mount on both sides Replacing Both Rubber Mounts for Stabilizer Mounting, replace if necessary.
Tightening torque 33 55 3AZ Rear Axle - Stabilizer Bar.





Important!
Risk of damage! Pressure lines must not have any contact with the stabilizer (minimum distance 5 mm)!





Carefully raise stabilizer (2) with a lever (1) until banjo bolt (3) is accessible.
Release banjo bolts (3, 4).

Installation Note:
Pressure lines are protected against being mixed up by different thread diameters on the oscillating motor connection.
Tightening torque 37 14 18AZ Electric Components.





Replacement:
Modify rubber mounts on both sides of stabilizer Replacing Both Rubber Mounts for Stabilizer Mounting.





After installation:
- Version with ride-height control:
- Activate and fill air suspension system Draining/Filling Air Spring System
- Fill and bleed hydraulic system Bleeding Power Steering (Version With Dynamic Drive)
- Check pipe connections for leaks
- If necessary, carry out initial Dynamic Drive operation Initial Operation With Test Run of Dynamic Drive
- Adjusting parking brake Adjustments