Front Wheel Hub, Measuring Lateral Runout

Front wheel hub, measuring lateral runout

Special tools:
999 5418 Measuring kit 999 5418 Measuring Kit
999 5507 Screw Set 999 5507 Screw Set

Note! As 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.

Preparation




Take out measurement tool set999 5418 Measuring kit 999 5418 Measuring Kit.

Remove:
- the wheel
- the mounting screws for the brake caliper holder.
Hang the brake caliper from the spring using a wire.

Remove:
- 1 screw
- the brake disc.

Installing the dial gauge




Install the bracket, included in the test equipment, in the upper mounting hole for the brake caliper first.
Press the bracket against the constant velocity joint housing.
Then install the lower mounting screw in the hole. At the same time, secure the bracket using the lower screw. Tighten the nuts.
Use the M12 screws and nuts included in kit999 5507 SCREW SET 999 5507 Screw Set.




Install the dial gauge in the bracket as illustrated.

Measuring lateral run-out




Put the test gauge point against the hub flange as illustrated.
Rotate the hub gently. Use a socket to help.
Note the test gauge run-out. Hub maximum lateral run-out: 0.020 mm.
If the lateral run-out exceeds this value, replace the hub.
To replace the hub, see Front wheel hub, replacing Front Wheel Hub, Replacing.

Finishing

Note! For tightening torques, see Specifications [1][2]Specifications.




Remove the test equipment

Install:
- the brake disc
- the M6 screw
- the brake caliper and the caliper holder.
Tighten. See: Tightening torque Tightening Torque.

Note! Use new mounting screws.

Install the wheel. See Installing wheels Service and Repair.