Measuring Front Brake Disc - Lateral Runout

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Adapter plate on front wheel hub

1. 1.1 Fit > 9510/1 - adapter plate-1-  on the hub of the brake disc -2-  .
2. 1.2 Fit and tighten wheel bolts -3-  .

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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.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Dial gauge on front brake disc

1. 2.1 Secure > VAS 6079/1 - dial gauge holder for brake discs-1-  at a suitable position on the wheel suspension.
2. 2.2 Fit > VAS 6079 - Dial gauge-2-  and adjust it so that the > VAS 6079 - dial gauge-2-  is positioned 5 mm (grey castiron/PSCB brake disc) or 10 mm (PCCB brake disc) away from the outer edge of the brake disc -3-  and is slightly pretensioned.
3. 2.3 Zero > VAS 6079 - dial gauge-2-  , slowly turn the brake disc -3-  with the > 9510/1 - adapter plate-4-  by one full turn and check the deflection of the dial gauge -2-  .

Measure lateral runout of the wheel hub.