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Home >> Audi >> 2022 >> A5 Quattro Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 242 (General, Technical Data (Brake System)) >> 00 General, Technical Data >> Brake Inspection >> Visual Characteristics Of Ceramic Brake Rotors

Visual Characteristics Of Ceramic Brake Rotors

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Identifications on the Ceramic Brake Rotor on the Brake Rotor Cup

Fig 1: Identifying Ceramic Brake Rotor Data
GWWA46-10379Courtesy of AUDI OF AMERICA, LLC
  1. Running Direction
  2. Brake Rotor Production Date
    • Example
  3. Brake Rotor Minimum Thickness
  4. Minimum Weight of Brake Rotor and Cup
    • Example
  5. Supplier
    • Example
  6. Brake Rotor Serial Production Number
    • Example
  7. Audi Part Number
    • Example

Overview - Brake Rotor

Fig 2: Identifying Ceramic Brake Disc
GWWA00-10355Courtesy of AUDI OF AMERICA, LLC
  1. Cooling Duct
  2. Friction Surface
  3. Base Material

The friction surface on a new brake rotor already has stress cracks which occur during the production process. These stress cracks are all different.

Fig 3: Identifying Stress Cracks In Ceramic Brake Disc
GWWA00-10354Courtesy of AUDI OF AMERICA, LLC

-- Check the connection area on the brake rotor ring and brake rotor cup. Refer to CRACKS IN CERAMIC BRAKE ROTOR CONNECTION AREA .