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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (46 Brakes - Brake Mechanism 3.8L (Eng Code MDK.H) -- 992 - 911 CARRERA (992)) >> WM, 465304 Measuring Rear Brake Discs >> Measuring Rear Brake Disc >> Measuring Rear Brake Disc - Minimum Thickness

Measuring Rear Brake Disc - Minimum Thickness

WARNING: This page is about a different variant/trim than selected.
  1. Measure the brake disc using a suitable micrometer screw at least three different places, offset by 120° -Arrows-  .
    G15526468Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Wear areas on brake disc friction surface

  2. If the measured value is below the wear limit at one or more measuring points:

    Replace rear PDCC brake discs. 

    >  WM, 461619 REMOVING AND INSTALLING PCCB BRAKE DISC AIR GUIDE (REAR)  

      mm 
    Brake disc thickness, rear:  > Dimension 32 mm 
    Maximum thickness tolerance of brake discs:  > Dimension 0.01 mm