LEMON Manuals: Even more car manuals for everyone
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, 465004 Measuring Front Brake Disc >> Measuring Front Brake Disc >> Measuring Front Brake Disc - Lateral Runout

Measuring Front Brake Disc - Lateral Runout

WARNING: This page is about a different variant/trim than selected.
  1. Fit > 9510/1 - adapter plate-1-  .
    1. 1.1 > 9510/1 - Adapter plate-1-  must be fitted on the hub of the brake disc -3-  .
    2. 1.2  Screw in and tighten wheel bolts -2-  .
      G15526441Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Adapter plate on brake disc

  2. Only for vehicles with central wheel bolts: 

    Fit > 9510/1 - adapter plate-1-  .

    1. 2.1 > 9510/1 - Adapter plate-1-  must be fitted on the hub of the brake disc -2-  .
    2. 2.2  Position wheel driver pins -3-  .
    3. 2.3  Screw in and tighten screws for wheel driver pins -4-  .

      > Tightening torque 14 Nm (10.5 ftlb.) 

      G15526442Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Adapter plate on brake disc (PCCB)

    Information 

    The front face of the wheel hub must not be corroded.

    The front face of the wheel hub must be cleaned using a fine emery cloth if necessary.

  3. Measure lateral runout of brake disc -2-  .
    1. 3.1  Secure dial gauge -1-  with ball joint arm from > Nr.147-1 - dial gauge set with ball joint arm  at a suitable position on the wheel suspension.
    2. 3.2  Adjust dial gauge -1-  from > Nr.147-1 - dial gauge set with ball joint arm  so that the dial gauge is touching the outer edge of the brake disc -2-  with slight preload.
    3. 3.3  Set dial gauge -1-  from > Nr.147-1 - dial gauge set with ball joint arm  to zero, turn the brake disc -2-  at the > 9510/1 - adapter plate-3-  slowly by one full turn and check the deflection of the dial gauge -1-  .
      G15526443Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Dial gauge on brake disc

  4. If the lateral runout of the brake disc is outside of the tolerance range:

    Measure lateral runout of the wheel hub. 

    Maximum lateral runout of brake disc:  > Dimension 0.07 mm