Layer Thickness Test

Information 

The brake disc temperature must be between 0°C and 40°C during the test process.

1. VAS 6272 - Paint thickness tester  must be calibrated using > 9938 - calibration piece  .

   Information 

   The measurement points 1 to 5 must be centred radially on the friction surface of the brake disc.

   The measurement points 6 and 7 must be offset by 10 mm outwards and inwards.

2. Check thickness.
   1. 2.1 > VAS 6272 - Paint thickness tester-1-  must be positioned on the brake disc -2-  in such a way that the measuring head is flat on the surface.

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Checking layer thickness with/without wheel

   2. 2.2 Measure layer thickness at the measurement points -1 to 7-  .

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Measurement points on PSCB brake disc

   3. 2.3 If the measured value at one or more measurement points is less than the setpoint value engraved on the brake disc hub:

      Replace brake disc. 

      > 465019 - REMOVING AND INSTALLING FRONT BRAKE DISC