911 Targa 4S (997) F6-3.8L (2007)
Brake Rotor/Disc: Testing and Inspection
Measuring Front Brake Discs
WM 465004 Measuring front brake discs
Tools
Measuring brake discs/wheel hubs
Information
Fasten dial gauge set with ball joint arm to wheel bearing housing.
Measuring the brake disc includes: measuring the brake disc thickness tolerance and measuring the lateral runout of the wheel hub.
Enter measured values in the brake disc measurement sheet.
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Remove wheel.
1. Measure the lateral runout of the brake disc (with adapter plate fitted).
1.1
Fit special tool -1- adapter plate 9510/1 with standard wheel bolts on the wheel hub. Tightening torque: 130 Nm (96 ftlb.).
1.2
Fit the measuring equipment -2- dial gauge set with ball joint arm Nr.147-1 at a suitable position on the wheel bearing housing (schematic
representation of the Cayenne).
1.3
Fit the dial gauge -2- with some preload and measure the lateral runout at the greatest external diameter of the brake disc.
Dial gauge on brake disc (schematic representation of the Cayenne)