Installing Rear Disc Brake Pads

Information 

• The back of the pad backing plates must not be greased. 
• Check the brake discs for wear  . → 4600TW TECHNICAL DATA/BRAKE WEAR LIMIT . → 465302 CHECKING REAR BRAKE DISCS - WEAR ASSESSMENT 
• Disc brakes must be clean and free of grease. 
• 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. 
• Observe specified tightening torques. 

→ Fit new pad retaining springs

→ Fit new fastening screws

1. Fit new pad retaining springs.
   WARNING: Installation of brake pads with the wrong brake pad quality

   • Longer braking distance
   • More wear on brake pads

   → 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.

2. Fit brake pads in reverse order to removal -direction arrow-  .
   Fig 1: Fitting Brake Pads

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Install the brake calliper in reverse order to removal. While doing this, check that the brake hose is routed correctly (do not twist the brake hose!).

   Use new fastening screws -arrows-  . Tightening torque 65 Nm (48 ftlb.) 

   Fig 2: 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 3: Identifying Min/Max Markings For Brake Fluid

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.