Removing Front Disc Brake Pads

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

1. Expose lines.

   Information 

   • To gain better access for removal of the brake calliper, turn the steering fully either to the right or left  .
   1. 1.1. Remove fastening screws -1, 2-  for holders -3, 4-  for the brake hydraulic lines.
      Fig 1: Identifying Hydraulic Line Holders

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   2. 1.2. Detach line for brake pad wear indicator from brake calliper.
   3. 1.3. Disconnect plug connection for speed sensor.

   Information 

   Protect the paintwork on the brake calliper from damage using a suitable cloth.

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 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  .
3. Partially remove brake calliper. Use removal/installation aid for brake calliper Assembly Pin T10439  .
   Fig 2: Identifying Assembly Pin For Brake Calliper

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   Information 

   • Never use an impact bolter to loosen and tighten the brake calliper on the wheel carrier  .
   1. 3.1. Remove upper fastening screw on the brake calliper -arrow-  and insert Assembly Pin.
      Fig 3: Inserting Upper Assembly Pin

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   2. 3.2. Remove lower fastening screw on the brake calliper -arrow-  and insert Assembly Pin.
      Fig 4: Inserting Lower Assembly Pin

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   3. 3.3. 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 5: Pulling Brake Calliper

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4. Fit the brake piston between the disc brake pads on the brake calliper using Piston Reset Tool (Replaces P83) Nr. 144  and press the pads back evenly → Pressing back brake pads  . Remove a little brake fluid from the reservoir by suction if necessary in order to prevent an overflow!
   Fig 6: Pressing Back Brake Pads

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5. If you intend to re-use the brake pads, mark the relevant installation position!  Carefully slide a commercially available screwdriver between the brake pad/brake calliper and lever the brake pad out by turning the screwdriver slightly. When doing this, make sure not to damage the dust boots on the brake pistons -arrows-  .
   Fig 7: Removing Brake Pads

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6. Remove pad retaining springs.