Test 2 (lateral runout)

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Mount the adapter plate 9510/1 -arrow- on the wheel hub. Refer to Fig 1 . Tightening torque of the wheel bolts (fastening screws): 130 N.m (96 ftlb.).

Fig 1: Measuring Brake Disc Lateral Runout
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Secure the dial gauge with some preload. The measuring range is on the largest diameter of the braking surface.
Check the wheel hub lateral runout as described below: Measure 1 x outside -arrow- and 1 x inside -arrow- of the wheel bolt area (5-point measuring procedure) on the front face of the wheel hub. See Fig 2 . Fasten the dial gauge using a commercially available universal dial gauge holder.

Fig 2: Checking The Wheel Hub Lateral Runout
Courtesy of PORSCHE OF NORTH AMERICA, INC.