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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> 46 Brakes - Brake Mechanism -- 911 CARRERA (991) >> WM 466219 Removing And Installing Control Unit For Parking Brake (Except CARRERA "Edition", CARR. CABRIO, CARR. S CABRIO, CARRERA GTS CABRIO, CARRERA Cabriolet "Edition", CARRERA 4 "Edition", CARR. 4 CABRIO, CARR. 4S CABRIO, Turbo CABRIO, CARR. 4 GTS CABRIO, Turbo S CABRIO, CARRERA 4 Cabriolet "Edition") >> Preliminary Work

Preliminary Work

  1. If a new control unit has to be installed, the values/coding must be read out using PIWIS Tester II 9818  before removing the "old" control unit. → WM 466255 REPLACING CONTROL UNIT FOR PARKING BRAKE 
  2. Disconnect battery ground strap. → 2X00IN WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY
  3. Remove rear cover. → 705319 REMOVING AND INSTALLING REAR COVER