Installing Front Disc Brake Pads

→ Fit new pad retaining springs

→ Fit new fastening screws

→ Only use the type-specific brake pads .

→ Replace the brake pads when the brake pad wear indicator light comes on, but no later than when there is a residual pad thickness of 2 mm on each axle.

→ Replace the brake discs on each axle as soon as the brake pad wear limit is reached.

Information 

• The back of the pad backing plates must not be greased. 
• Check disc brakes for wear. For details of wear limits, see → 4600TW TECHNICAL DATA/BRAKE WEAR LIMITS .
• Disc brakes must be clean and free of grease. 
• The core of the warning contact wire must not be left exposed! Worn insulation is not important. 
• 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. 
• Observe correct tightening torques  . → 4X00IN TIGHTENING TORQUES FOR BRAKE MECHANICS/BRAKE HYDRAULIC SYSTEM.

1. Fit new pad retaining springs.
2. Install brake pads in reverse order to removal.
3. Install the brake calliper in reverse order to removal.

   Use new fastening screws -arrows-  .

   Fastening screws securing brake calliper to wheel carrier Tightening torque 85 Nm (63 ftlb.) 

   Fastening screw securing holder to wheel carrier Tightening torque 10 Nm (7.5 ftlb.) 

   Fig 1: Locating Brake Calliper Fastening Screws

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Position disc brake pads by operating the brake several times.
5. Check the brake fluid level and correct it if necessary.

   The brake fluid level must be between the MIN and MAX markings → Min/Max markings for brake fluid  .

   Fig 2: Identifying Min/Max Markings For Brake Fluid

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.