Measuring Rear Brake Disc - Lateral Runout (Wheel Hub)
WARNING: This page is about a different variant/trim than selected.
Information
The front face of the wheel hub must not be corroded.
The front face of the wheel hub must be cleaned using a fine emery cloth if necessary.
- Measure lateral runout of the wheel hub.
Dial gauge on wheel hub
- 1.1 Fit the > 9510/1 - adapter plate-2-
on the wheel hub and screw in and tighten wheel bolts.
> Tightening - torque 160 Nm (118 ftlb.)
- 1.2 Secure > VAS 6079 - Dial gauge-1- and > VAS 6079/1 - dial gauge holder for brake discs at a suitable position on the wheel suspension.
- 1.3 Adjust > VAS 6079 - dial gauge-1- so that the > VAS 6079 - dial gauge-1- is touching the outer edge of the wheel hub and is slightly pretensioned.
- 1.4 Set > VAS 6079 - dial gauge-1- to zero, slowly turn the wheel hub at the > 9510/1 - adapter plate-2- by one full turn and check the deflection of the dial gauge -1- .
- 1.1 Fit the > 9510/1 - adapter plate-2-
on the wheel hub and screw in and tighten wheel bolts.
- If the lateral runout of the wheel hub is not within the tolerance range:
Replace wheel hub.
> 425855 - REPLACING REAR WHEEL BEARING
Maximum lateral runout of the wheel hub: 0.02 mm - Only
if the lateral runout of the brake disc is not within the tolerance range, but the lateral runout of the wheel hub is within the tolerance range:
Replace rear brake disc.