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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (4X Chassis - General 3.0L (Eng Code MDK.Kb) -- 992 - 911 CARRERA (992)) >> WM, 4X00IN Brake Disc Measurement Sheet >> Information >> Brake Disc Measurement Sheet

Brake Disc Measurement Sheet

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

A copy or print-out of the data card shown here can be used to document the measured result. The data cards cannot be ordered.

  1. Make a copy or print-out of the data card shown here.

    Information 

    • Actual values that are identical in all versions are already entered!
  2. Before taking measurements (Test 1 to Test 3), enter the general data, vehicle type and the missing nominal values (new brake disc thickness/brake disc wear limit) in the data card.
  3. Carry out measurements (actual status) and enter the values in the data card.
  4. If brake discs are to be replaced, carry out Test 2 with the new discs again and enter the latest values in a new data card.
    Brake disc measurement
    Customer: Rep. Order No.:  
    Street: Porsche VI N:  
    City: Reg. number:  
    Telephone: Date of first registration:  
    Vehicle type: Odometer reading [km/miles  
    Checker: Date/Signature  
    Nominal values
    Test 1 = Brake disc thickness
    • Brake disc thickness, new [mm]:
    Front: Rear:
    • Wear limit [mm]:
    Front: Rear:
    Test 2 = Lateral runout
    • Brake disc installed [mm]
      max.:
    • Wheel hub
      max.: 0.02
    • Brake disc removed [mm]
      max.: 0.03
    Test 3 = Thickness tolerance of brake disc
    Thickness tolerance of brake disc [mm]   max.:
    Measured values (actual values) [mm] front left front right rear left rear right
    Test 1 = brake disc thickness (number of measuring points can vary depending on the measuring method)
    Measurement point 1
    Measurement point 2
    Measurement point 3
    Measurement point 4
    Measurement point 5
    Measurement point 6
    Measurement point 7
    Test 2 = Lateral runout
    • Brake disc installed
    • Wheel hub
    • Brake disc removed (difference wheel hub/brake disc installed)
    Test 3 = Thickness tolerance of brake disc (1)
    Thickness tolerance (1)
    (1) Test 3: Do not enter the eight measured values for each brake disc in the data sheet, just comment on the measured result for each brake disc (i.e. OK or not OK)