Shock Absorber
Spring front, replacingSpecial tools: 951 2945 999 7076 999 7088, 951 2911, 951 2914, 999 5500
Note: The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.
Preparatory work
Remove:
- the wheel
- 1 screw (1).
Press in the drive shaft a little.
Removal
Removing the ball joint from the wheel spindle
Slacken off the nut so that the upper edge is above the screw. Use an Allen key as a counterhold so that the boot is not damaged.
Remove the ball joint from the control arm. Use: 951 2945.
Pull the ball joint out of the wheel spindle. Use: 9997076.
Removing the brake caliper
Remove the 2 screws.
Hang up the caliper in a suitable position to avoid damage to the brake hose.
Removing the drive shaft from the hub
Pull the drive shaft out of the hub. Hang up the drive shaft in an appropriate position. Hang up the wheel spindle on the ball joint. Loosely install the nut. Use: 999 7076.
Removing the anti-roll bar link from the spring strut
Remove
- 1 nut. Use an Allen key as a counterhold so that the boot is not damaged
- the anti-roll bar link.
Removing the spring strut
Remove the screw.
Widen the groove. Use: 999 7088. Install the tool so that the flat sides run the length of the groove. Turn 45°.
Carefully tap the wheel spindle down. Use a copper mallet. Pry down the control arm. Use: 999 7076 until the spindle releases from the spring strut.
Remove:
- the 3 screws
- the spring strut.
Removing the spring
Take the load off the springs. Use the hydraulic tool. Use: 951 2911 together with claws: 951 2914.
Remove
- the nut on the shock absorber. Use: 999 5500 and a Torx-socket as a counterhold
- the spring seat
- the rubber bump stop and gaiter
- the spring.
Note: Note the point of contact on the spring to facilitate installation of a new spring.
Note: Ensure that the spring seat and the shock absorber bearing do not separate. The bearing comprises loose balls in a frame. The balls will fall out on separation.
Check that the shock absorber bearing / spring seat (1), the rubber bump stop (2) and boot (3) are undamaged. Replace if necessary.
Installing the spring
Note: For tightening torques, See: Specifications.
Compress the new spring. Use: 951 2911 together with claws: 951 2914.
Install:
- the spring
- the bump stop with the boot
- the spring seat
- the 1 nut. See: Specifications. Use: 999 5500 and a Torx-socket as a counterhold.
Note: Ensure that the spring seat marking is directly opposite the guide for the spring strut when installing the spring.
Installing the spring strut
Install the spring strut in the body. Use new nuts and the new screw. See: Specifications.
Install the wheel spindle on the spring strut.
Remove: 999 7088.
Install the 1 screw. Tighten. See: Specifications -
Remove the 1 nut from the ball joint. Press down the control arm. Use: 9997076
Install:
- the drive shaft
- the 1 screw for the drive shaft. Tighten. See: Specifications
- the ball joint in the wheel spindle. Use: 999 7076
- the 1 nut for the ball joint. Use an Allen key as a counterhold. Tighten. See: Specifications.
Installing the brake caliper
Install the 2 screws. Tighten. See: Specifications
Installing the anti-roll bar link from the spring strut
Install:
- the anti-roll bar link
- the M10 nut. Use an Allen key as a counterhold.
Finishing
Install the wheel.
Check and adjust the headlamps in accordance with: Headlamps, aligning.