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Home >> Porsche >> 2015 >> Macan Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 282 (46 Brakes - Brake Mechanism -- 911 CARRERA (991)) >> WM 465102 Checking Front PCCB Brake Discs (Wear Assessment) (Except CARRERA "Edition", CARRERA Cabriolet "Edition", Turbo, Turbo S, CARRERA 4 "Edition", Turbo CABRIO, Turbo S CABRIO, CARRERA 4 Cabriolet "Edition", Gt3, Gt3 RS) >> Information On Checking PCCB Brake Discs >> Information On PCCB Brake Discs

Information On PCCB Brake Discs

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Information 

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The brake discs have wear indicator plates in the friction surfaces. The wear indicator plates (six on each brake disc) are arranged at three points close to the outer diameter, offset by 120° -arrows-  . The three wear indicator plates on each friction surface (three on the inside and three on the outside) are positioned directly opposite each other. Each wear indicator is approx. 1.2 cm2 . The wear indicators are barely visible on new brake discs.

Fig 1: Locating PCCB Brake Discs Wear Indicators
G09991776Courtesy of PORSCHE CARS NORTH AMERICA, INC.

The minimum brake disc thickness (wear dimension) is stamped on the brake disc hub (e.g. Min. Th. 33.7 mm).