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Home >> Porsche >> 2019 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (46 Brakes - Brake Mechanism 2.9L -- 95B - MACAN (95B)) >> WM, 465002 Checking Front Brake Discs (PSCB) >> Checking Front Brake Discs (PSCB) >> Layer Thickness Test

Layer Thickness Test

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 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.
      G15156383Courtesy 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-  .
      G15156384Courtesy 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