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Home >> Porsche >> 2012 >> Cayenne Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (47 - Brakes- Brake Hydraulic System, Regulator, Booster (4.8L Non Turbo) -- 92A - Cayenne (92A)) >> WM, 471519 Removing And Installing Brake Master Cylinder >> Replacing Brake Master Cylinder

Replacing Brake Master Cylinder

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Information 

When replacing the brake master cylinder, first remove the brake fluid reservoir.

  1. Remove the brake light switch.

    > WM 943619 REMOVING AND INSTALLING BRAKE LIGHT SWITCH - section on "Removing"

  2. Unscrew screw -1-  securing brake fluid reservoir -2-  to brake master cylinder -3-  .
    G16330495Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake fluid reservoir screw

  3. Lever out the brake fluid reservoir -1-  using a suitable tool -2-  and remove it from the brake master cylinder -3-  .
    G16330496Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Removing brake fluid reservoir

  4. Remove rubber seals -1-  from the brake master cylinder -2-  and replace them if necessary.
    G16330497Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Rubber seals on brake master cylinder

  5. Unscrew fastening nuts -1-  on the brake master cylinder -2-  at the brake booster -3-  and remove the brake master cylinder.
    G16330498Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for brake master cylinder