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Home >> Porsche >> 2012 >> Cayenne S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (46 - Brakes - Brake Mechanism (4.8L Turbo) -- 92A - Cayenne (92A)) >> WM, 465019 Removing And Installing Front Brake Disc >> Preliminary Work >> Removing Front Brake Disc

Removing Front Brake Disc

WARNING: This page is about a different variant/trim than selected.
NOTE: Removing/fitting wheels 
  • Risk of damage to (ceramic) brake discs 
    1. Carefully guide the wheel towards the wheel hub, thereby preventing any heavy impact on the (ceramic) brake disc.
NOTE: Removal of brake calliper 
  • Paint defects on brake calliper 
    1. Proceed with care when setting back the brake pads.
    2. Protect brake calliper from paint defects using a suitable cloth.
  1. Expose lines.

    Information 

    • For access for assembly work, turn the wheels fully either to the left or right. 
    1. 1.1 Remove fastening screws -1, 2-  for holders -3, 4-  for the brake hydraulic lines.
      G16319104Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Hydraulic line holders (shown as an example, brake calliper removed)

    2. 1.2 Pull line for brake pad wear indicator out of the brake calliper.
    3. 1.3 Disconnect plug connection for speed sensor.

    Information 

    Never use power tools (impact bolter) for loosening and securing the brake calliper on the wheel bearing housing.

  2. Carefully press the brake pads back using water pump pliers. Remove a little brake fluid from the reservoir by suction if necessary in order to prevent an overflow!

    Information 

    • Do not open the brake system. 
    • Do not loosen the brake hose from the brake calliper when loosening the brake calliper. 
    • The core of the warning contact line must not be exposed! Worn insulation is not important! 
    • If necessary, remove a little brake fluid from the reservoir by suction in order to prevent an overflow when the disc brake pads are pushed back. 
  3. Partially remove brake calliper. Use removal/installation aid for brake calliper > T10439 - assembly pin  .
    G16319105Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Assembly pin for brake calliper

    1. 3.1 Remove upper fastening screw on the brake calliper -arrow-  and insert assembly pin.
      G16319106Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Inserting upper assembly pin

    2. 3.2 Remove lower fastening screw on the brake calliper -arrow-  and insert assembly pin.
      G16319107Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Inserting lower assembly pin

    3. 3.3 Pull the brake calliper as far as required out of installation position until the brake calliper engages in the cutouts on the assembly pins > Brake calliper tool fitted  . Carefully guide brake line and brake hose along with calliper in the process.
    G16319108Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake calliper tool fitted

  4. Unscrew fastening screw -arrow-  and remove brake disc.
G16319109Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Mounting for brake disc

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