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Home >> Porsche >> 2011 >> Cayenne S >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> 46 - Brakes - Brake Mechanism (4.8L Non Turbo) -- 92A - Cayenne (92A) >> WM, 465102 Checking Front PCCB Brake Disc (Wear Assessment) >> Checking Front PCCB Brake Disc (Wear Assessment) >> Information Concerning Bores (Perforations) In The Brake Disc Friction Surface

Information 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!

G16330341Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Bores (perforations) in brake disc friction surface

NOTE: NOTIFICATION 
Work cannot be carried out on the bores in the brake disc friction surface 
  • Damage to brake discs 
    1. Clean the bores on PCCB brake discs with high-pressure cleaning equipment if necessary. Observe the relevant environmental and safety regulations.
    2. Do not machine the bores. Drilling or counter-sinking is not permitted.
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