Removing Front Disc Brake Pads

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NOTE: Removing/fitting wheels

Risk of damage to (ceramic) brake discs

→ Carefully guide the wheel towards the wheel hub, thereby preventing any heavy impact on the (ceramic) brake disc.

Information

To gain better access for assembly work, it is a good idea to turn the wheels fully either to the right or left!

Disconnect plug-in coupling for brake pad wear indicator -1- and detach it from the holder -2- .

Fig 1: Disconnecting Plug-In Coupling For Brake Pad Wear Indicator
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Detach holder for brake line and wear indicator at the wheel carrier -arrow- .

Fig 2: Disconnecting Holder For Brake Pad Wear Indicator/Brake Line
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Disconnect connector for speed sensor. → Connector for rpm sensor

Fig 3: Disconnecting Connector For RPM Sensor
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen two fastening nuts -1- and remove brake line holder -2- .

Fig 4: Identifying Brake Line Holder With Fastening Nuts
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
NOTE:
Removal of brake calliper
- Paint defects on brake calliper
→ Proceed with care when setting back the brake pads.

→ Protect brake calliper from paint defects using a suitable cloth.
Carefully set the disc brake pads back slightly and evenly using water pump pliers.
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 wire must not be left exposed! It does not matter if the insulation is worn.
- 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.
Partially remove brake calliper. Use removal/installation aid for brake calliper assembly pin T10439 .

Fig 5: Identifying Assembly Pin For Brake Calliper
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- Never use an impact bolter to loosen and tighten the brake calliper on the wheel carrier.
1. 6.1. Remove upper fastening screw on the brake calliper -arrow- and insert assembly pin.
  
  Fig 6: Inserting Upper Assembly Pin
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 6.2. Remove lower fastening screw on the brake calliper -arrow- and insert assembly pin.
  
  Fig 7: Inserting Lower Assembly Pin
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 6.3. Pull the brake calliper as far as required out of installation position until the brake calliper engages in the cut-outs on the assembly pins → Brake calliper tool fitted . Carefully guide brake line and brake hose along with calliper in the process.
  
  Fig 8: Pulling Brake Calliper
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen warning contact from the brake calliper.
Fit brake piston on the brake calliper between the disc brake pads using piston reset tool (replaces P83) Nr.144 . Then press the brake pads back evenly → Pressing back brake pads .

Fig 9: Pressing Back Brake Pads
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information

If the disc brake pads are still to be used, mark their installation position.
Carefully slide a commercially available screwdriver between the disc brake pad/brake calliper and lever the disc brake pad out by turning the screwdriver slightly -arrows- . When doing this, make sure not to damage the dust boots on the brake pistons.

Fig 10: Removing Brake Pads
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove pad retaining springs.