Installing Front Brake Disc

Information

Do not confuse right and left brake discs during fitting.
Distinguishing features: Part number and the flat surface of the brake discs is marked with R = right or L = left.

Prepare for installing the brake disc.
1. 1.1. Check that all parts are in perfect condition (visual inspection) and replace them if necessary.
2. 1.2. Clean the flat and centering surfaces on the brake disc and wheel hub.
3. 1.3. Apply a very thin coat of Optimoly TA (aluminum paste) to the centering surface on the wheel hub.
Fit brake disc.
1. 2.1. Tighten screws -arrows- (Tightening torque 10 Nm (7.5 ftlb.) ).
  
  Fig 1: Locating Brake Disc Fastening Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Central bolts: Use new bolts -1- or five new wheel adapters (depending on condition) -2- .
  Replacement wheel adapter (set) contains new screws.
  
  Please note the following when fitting wheel adapters -1-: Check wheel adapters for wear. Replace if necessary.
  
  All contact surfaces must be clean and free of grease. Use new self-locking screws.
  
  Tightening torque - 911 GT3: Tightening torque 31 Nm (23 ftlb.)
  
  Tightening torque - 911 Turbo: Tightening torque 14 Nm (10.5 ftlb.)
  
  Fig 2: Identifying Brake Disc Mounting On Wheels With Central Bolts
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Information
  - Replace brake calliper fastening screws each time they are removed.
Fit the brake calliper in reverse order to removal.
Brake calliper fastening screws: Tightening torque 65 Nm (48 ftlb.) .

Fig 3: Locating Brake Calliper Fastening Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Position disc brake pads by pressing the brake pedal several times.
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 4: Identifying Min/Max Markings For Brake Fluid
Courtesy of PORSCHE CARS NORTH AMERICA, INC.