Measuring Rear Brake Disc - Lateral Runout (Wheel Hub)
WARNING: This page is about a different car, the 2024 Porsche Macan, 2023 Porsche Macan, 2022 Porsche Macan, 2021 Porsche Macan, and 2020 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
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.