Measuring Lateral Run-Out In Hub [KG]

Special tools: 999 5418 measurement tool set 999 5507 set of screws

Preparations [KG1]

- Get measurement tool set 999 5418.





- Remove brake caliper and brake pads as per KE2-KE4 (front) or KF2-KF5 (rear). Then continue as below. Service and Repair

NOTE: Mark brake disc up against hub so disc can return to its old position when installing.

[KG2]
- Clean hub flange carefully. Remove rust with steel blade and steel brush.

Installing measurement equipment [KG3]





- Install measurement equipment as per illustration. Illustration shows testing front.
- Front: Use M8 bolts, washers and nuts in bolt set 999 5507 when installing measurement tool bracket to front brake caliper mounting hole.

NOTE: Make sure that bracket is not lying against driveshaft gaiter, (front only).

- Rear: Use the bolts included in the measurement tool set when installing measurement tool bracket to the rear brake caliper mounting hole.

Measuring lateral run-out [KG4]





- Put the test gauge point against the hub flange as in the illustration.
- Rotate hub gently. Use a wheel wrench as an aid on the front hub.

NOTE: Illustration shows testing front.

- Note test gauge run-out. Hub lateral run-out must not exceed 0.020 mm (0.00079").
- Replace hub if maximum lateral run-out exceeds 0.020 mm (0.00079").

Front:
Replace hub.

Rear:
Replace hub.

Finishing [KG5]
- Install brake disc on hub, lining up marks. Tighten locating pin and bolt to 8 Nm (6 ft.lb).
- Go to KE7 (front) or KF8 (rear). Service and Repair