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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> 46 - Brakes - Brake Mechanics -- CARRERA (997) >> WM 465102 Checking Front PCCB Brake Discs (Wear Assessment) (All Models) >> Checking Information On PCCB Brake Discs >> Note Concerning Bores (Perforations) In The Brake Disc Friction Surface

Note Concerning Bores (Perforations) In The Brake Disc Friction Surface

Observe the following warning when cleaning or exposing the bores in the brake disc friction surface!

Fig 1: Identifying Bores (Perforations) In Brake Disc Friction Surface
G09826135Courtesy of PORSCHE CARS NORTH AMERICA, INC.
NOTE: Work cannot be carried out on the bores in the brake disc friction surface
  • Damage to brake discs

→ Clean the bores on PCCB brake discs with high-pressure cleaning equipment if necessary. Observe the relevant environmental and safety regulations.

→ Do not machine the bores. Drilling or counter-sinking is not permitted.



Observe the following warning when cleaning or exposing the bores in the brake disc friction surface!

Fig 1: Identifying Bores (Perforations) In Brake Disc Friction Surface
G09826177Courtesy of PORSCHE CARS NORTH AMERICA, INC.
NOTE: Work cannot be carried out on the bores in the brake disc friction surface
  • Damage to brake discs

→ Clean the bores on PCCB brake discs with high-pressure cleaning equipment if necessary. Observe the relevant environmental and safety regulations.

→ Do not machine the bores. Drilling or counter-sinking is not permitted.

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