Replacing the Front Wheel Hub

Front Wheel Hub, Replacing
Special tools
951 2050

Removal

Removing brake calipers





Remove:
- the wheel
- the brake caliper and limiter screws.
Hang the caliper up using a piece of wire.

Removing the drive shaft





Remove:
- the drive shaft screw. Use a screwdriver as a counterhold on the brake disc
- the locating pin holding the brake disc
- the brake disc.
Slacken off the end of the drive shaft in the hub by knocking the drive shaft into the hub approximately 10-15 mm.
Use a rubber or copper mallet.

Exposing the control arm





Remove the nut holding the control arm. Use a Torx wrench as a counterhold.





Warning: Ensure that the tension strap is correctly secured in the control arms.

- Pull down the control arm (1) using the tension strap (2)
- Release the spring strut from the control arm.

Removing the drive shaft





- Remove the drive shaft. Knock the drive shaft out using a brass drift. Hang the drive shaft as illustrated
- Secure the spring strut in position
- Remove the 4 screws for the hub.

Installation

Installing the hub





- Install the hub. Use new screws
- Tighten crosswise to 20 Nm
- Then tighten to 65 Nm
- Angle-tighten 60°. Use bevel protractor 951 2050.





Turn in the spring strut and position the drive shaft in the hub.

Note: Check that the seal is not worn or damaged.

Installing the drive shaft





- Install the screw loosely on the drive shaft. Use a new screw
- Align the ball joint in the control arm

Note: Be very careful when releasing the tension strap.

- Release the control arm slowly using the tension strap.

Installing the ball joint





Install a new nut on the ball joint.

Note: The ball joint must not rotate. Use a Torx wrench as a counterhold so that the rubber boot is not damaged.

Tighten to 80 Nm.

Installing the brake disc





Install the brake disc.
Tighten the brake disc locating pin. Tighten to 8 Nm.

Note: Ensure that the brake disc and wheel rim hub mating surfaces are clean.

Tighten the new drive shaft screw. See Tightening torque.
Use bevel protractor 951 2050.

Installing brake calipers





- Install the brake caliper and the limiter
- Use new screws
- Tighten to 100 Nm
- Install the wheel.