Overview - Front Brakes, Ceramic Brakes

Fig 1: Exploded View Of Front Brakes, Ceramic Brakes

Courtesy of AUDI OF AMERICA, LLC

1. Brake Shield
   • Refer to BRAKE SHIELD, REMOVING AND INSTALLING 
2. Wheel Bearing Housing
3. Bracket
   • For connector, wiring harness and brake hose
4. Bolt
   • 20 Nm
     • Always replace self-locking bolts.
     • Replace damaged bolts.
     • Clean bolts before reusing.
5. Bracket
   • For brake hose
6. Rivet
7. Bracket
   • For the brake line/hose
   • On the body
8. Spring
   • Replace if damaged
9. Brake Line
   • Brake line to brake hose tightening specification: 14 Nm
     CAUTION:

     Do not bend the brake line; a damaged brake line must be replaced.

10. Brake Hose
    • Tightening specification: brake hose to brake caliper. Refer to Figure.
    • Replace if damaged
    • Allocation. Refer to the Parts Information.
    • Make sure the brake hose is routed correctly. Make sure the brake hose is not blocked, bent, twisted or rubbing against the vehicle.
    • Make sure that tabs are properly seated in the grooves on the bracket.
      CAUTION:

      Do not damage the brake hose; a damaged brake hose must be replaced.

11. Bolt
    • 196 Nm
      • Always replace self-locking bolts.
      • Replace damaged bolts.
      • Clean bolts before reusing.
12. Brake Pads
    • Always replace on both axles.
    • Interior brake pad in the brake caliper with brake pad wear sensor
    • Checking pad thickness. Refer to 413 for the wear limit.
    • Allocation. Refer to the Parts Information.
    • Removing and Installing. Refer to BRAKE PADS, REMOVING AND INSTALLING, CERAMIC BRAKES 
13. Brake Pad Retaining Plate
    • Replace when pads are replaced.
    • Check for proper seating
14. Brake Pad Wear Indicator Wire
    • With:
      • Left Front Brake Pad Wear Sensor -G34-
      • Right Front Brake Pad Wear Sensor -G35-
    • For inner brake pad
    • Replace when replacing the brake pads.
    • Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING 
15. Protective Cap
16. Bleed Screw
    • 20 Nm
    • Refer to HYDRAULIC SYSTEM, BLEEDING
    • Before installing, thinly coat with Assembly Paste: G 052 150 A2  .
17. Brake Pad Spring
    • Always replace a damaged spring
    • Note the installation position
18. Brake Pad Spring
    • Always replace a damaged spring
    • Note the installation position
19. Brake Caliper
    • Refer to BRAKE CALIPER, REMOVING AND INSTALLING, CERAMIC BRAKES 
    • Refer to BRAKE CALIPER, REPLACING 
20. Bolt
    • 10 Nm
      • Clean bolts before reusing.
      • Always replace self-locking bolts.
      • Replace damaged bolts.
21. Brake Rotor
    • Brake Rotor Thickness. Refer to CERAMIC BRAKE ROTOR, DETERMINING WEAR .
    • Additionally check for:
      • Cracks in connection area. Refer to CRACKS IN CERAMIC BRAKE ROTOR CONNECTION AREA .
      • Chamfer. Refer to CHAMFER .
      • Nicks. Refer to NICKS ON CERAMIC BRAKE ROTOR .
      • Crack in cooling channel. Refer to CRACK IN COOLING CHANNEL .
    • Do not use excessive force to separate the brake rotor from the wheel hub. Use rust remover, if necessary, otherwise the brake rotor could be damaged.
    • Allocation. Refer to the Parts Information.
    • Refer to BRAKE ROTOR, REMOVING AND INSTALLING, CERAMIC BRAKES 
      WARNING:

      Risk of accident due to insufficient braking effect.

      If a brake rotor is damaged or worn, check the other brake rotors for damage and wear.

22. Bolt
    • 10 Nm
      • Always replace self-locking bolts.
      • Replace damaged bolts.
      • Clean bolts before reusing.

Do Not Loosen the Caliper/Brake Carrier Bolted Connections

Fig 2: Do Not Loosen the Caliper/Brake Carrier Bolted Connections

Courtesy of AUDI OF AMERICA, LLC