Installing Front Brake Calliper

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WARNING: Old mounting parts fitted on the brake calliper

Reduced braking effect
Risk of damage to the brake calliper

→ Fit new fastening screws

Installation is performed in reverse order.

Information

Never use an impact bolter to loosen and tighten the brake calliper on the wheel carrier.
Visually inspect the thread for the brake calliper and blow it out carefully if necessary using compressed air. Use goggles!
Replace screws.
Observe correct tightening torques → 4X00IN TIGHTENING TORQUES FOR THE BRAKE HYDRAULIC SYSTEM .

Check that all parts are in perfect condition (visual inspection) and replace them if necessary.

The assembly pins T10439 → Brake calliper tool can be used to make it easier to install the brake calliper.

Fig 1: Identifying Brake Calliper Tool

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fit brake calliper.
1. 1.1. Carefully fit the brake calliper and screw in assembly pin in the top thread only by hand.
  
  Fig 2: Identifying Assembly Pin For Brake Calliper (Top)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 1.2. Screw in bottom brake calliper screws several turns by hand (this protects the thread!).
3. 1.3. Remove assembly pin and screw in top brake calliper screw several turns by hand (this protects the thread!).
4. 1.4. Screw in both brake calliper screws fully and tighten to the specified tightening torque.
  Brake calliper to wheel bearing housing (18-inch): Tightening torque 140 Nm (104 ftlb.)
  
  Brake calliper to wheel bearing housing (19-inch): Tightening torque 140 Nm (104 ftlb.)
Information

Do not bend the brake lines.
- Secure brake line holders at the wheel carrier.
- For easier access to the holders, turn in the wheel carrier as required.
Fit brake line at the brake calliper. Tightening torque 14 Nm (10.5 ftlb.) +/-1 Nm (+/-0.5 ftlb.)
Fit holders -1, 2- for the hydraulic lines on the wheel bearing housing -3- .
Brake hose bracket to wheel bearing housing: Tightening torque 9 Nm (6.5 ftlb.)

Cable holder to wheel bearing housing: Tightening torque 20 Nm (15 ftlb.)

Fig 3: Mounting For Hydraulic Lines
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit plug connection for speed sensor.
Fit brake pad wear indicator.