Disengaging Brake Cable

Move control pedal of the foot-operated parking brake to the zero position. To do this, pull the release lever on the dashboard.
Remove cover in the footwell → Removing cover under dashboard .
Fix the adjustment device using an auxiliary pin (max. 3.5 mm in diameter) -see Fig 1-. In other words: press the adjustment device together -arrow- until the assembly bores are covered and the auxiliary pin can be inserted → 466019 REMOVING AND INSTALLING ACTUATOR FOR FOOT-OPERATED PARKING BRAKE .

Fig 1: Adjusting Device Lock With Auxiliary Pin
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Raise the vehicle → WM 4000V0 Lifting the vehicle .
Remove the relevant rear wheel → Removing and installing wheel .
Remove the brake cable from the guide of the rear axle housing and loosen it by moving it to and fro.
Information
- The screw plug -arrow- of the brake disc obscures the view of the Quickfit. The Quickfit is positioned at approx. 3 o'clock to the right and approx. 9 o'clock to the left.
  
  Fig 2: Locating Screw Plug For Adjusting Duo-Servo
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
- The brake discs do not have to be removed to disengage the brake cables.
Remove the screw plug -arrow- at the brake disc.
Remove the brake cable. Do not loosen the circlip! To do this, insert a screwdriver between the sleeve of the brake cable and the wheel bearing housing -see Fig 3-.

Fig 3: Removing Brake Cable From Wheel Carrier
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull the sleeve of the cable -see Fig 4- as far as possible out of the wheel bearing housing.

Fig 4: Pulling Cable Sleeve
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Push the cable gently into the brake drum. Use a small screwdriver inserted through the brake disc opening -see Fig 5- to press the safety spring and hexagon on the spreading lever upwards and at the same time pull the brake cable out of the brake drum.

Fig 5: Setting Foot-Operated Parking Brake
Courtesy of PORSCHE CARS NORTH AMERICA, INC.