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Home >> Porsche >> 2004 >> 911 GT2 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical - 911 Turbo (996) >> Removing and installing the front PCCB brake disc >> Installation >> Notes

Removing and installing the front PCCB brake disc: Installation: Notes

NOTE:
  • Do not confuse right and left brake discs during assembly! Distinguishing characteristic: Involute shape, identification and spare part number (SP No.)!
  • The front PCCB brake discs of the Turbo and GT2 are different. Use the correct brake disc when replacing!
  • The front PCCB brake discs are marked with GT or Turbo, R = right or L = left and with an arrow for the direction of rotation (additional diffence to right or left)!
  • Spare part on left-hand side - third group number is odd. Example: SP No. Left brake disc = 996.351.031.92.
  • Spare part on right-hand side - third group number is even. Example: SP No. Right brake disc= 996.351.032.92.
  1. Check that all parts are in perfect condition and replace them if necessary.
  2. Clean the levelling and centring surfaces on the brake disc and wheel hub.
  3. Apply a very thin coat of Optimoly TA to the centering surface on the wheel hub.
  4. Fit the brake disc.
    NOTE:
    • Replace the brake caliper fastening screws after each removal!
    • The brake caliper fastening screws of the GT2 and Turbo with PCCB are 8 mm longer (85 mm) than on the 911 Turbo with cast iron brake discs (77 mm)!
  5. Fit brake caliper with new fastening screws. Tightening torque of the fastening screws = 85 Nm (63 ftlb.).
  6. Mount wheel. For a wheel installation, 2 assembly aids (assembly pins) must be screwed into the wheel hub!
    Fig 1: Installing 2 Assembly Aids (Assembly Pins) Into The Wheel Hub
    G03093927Courtesy of PORSCHE OF NORTH AMERICA, INC.
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