Overview - Six-Piston Ceramic Brake

Fig 1: Exploded View Of Front Brakes, Ceramic Brakes (1LN/1LU/1LT)

Courtesy of AUDI OF AMERICA, LLC

1. Brake Shield
   • Refer to BRAKE SHIELD, REMOVING AND INSTALLING 
2. Wheel Bearing Housing
3. Bracket
   • For brake hose and wire
4. Bolt
   • 9 Nm
5. Hose Bracket
   • For brake hose
6. Brake Hose
   • Replace if damaged
   • Pay attention to the correct routing: make sure the brake hose is not blocked, bent or rubbing against the vehicle
   • Tightening specification, brake hose to brake caliper, 20 Nm
7. Hose Bracket
   • For brake hose
8. Bracket
   • For brake hose
   • On the body
9. Spring
   • Replace if damaged
10. Brake Line
    • Brake line to brake hose tightening specification: 14 Nm
11. Bolt
    • 196 Nm
    • Quantity: 2
12. Brake Pads
    • Allocation. Refer to the Parts Information.
    • Checking Pad Thickness, Wear Limit
      • A6. Refer to Maintenance Procedures; Brake Pad Thickness, Checking
      • A7. Refer to Maintenance Procedures; Brake Pad Thickness, Checking
    • Always replace on both axles.
    • Refer to BRAKE PADS, REMOVING AND INSTALLING, SIX-PISTON CERAMIC BRAKE 
    • Note the installation position
13. Protective Cap
14. Bleed Screw
    • 18 Nm
    • Refer to HYDRAULIC SYSTEM, BLEEDING
15. Brake Pad Wear Indicator Wire
    • Replace if damaged
      • Left Front Brake Pad Wear Sensor -G34-
      • Right Front Brake Pad Wear Sensor -G35- (installed depending on model and version)
    • Cannot be removed without being damaged
    • Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING, SIX-PISTON CERAMIC BRAKE 
16. Upper Spring
    • Replace when replacing the pads
    • Note the installation position
    • Make sure they are seated correctly in the brake caliper
17. Bracket
    • For the brake pad wear indicator wire
18. Lower Brake Pad Spring
    • Replace when replacing the pads
    • Note the installation position
    • Make sure they are seated correctly in the brake caliper
19. Brake Caliper
    • Allocation. Refer to the Parts Information.
    • Refer to Fig 2
    • Refer to BRAKE CALIPER, REMOVING AND INSTALLING, SIX-PISTON CERAMIC BRAKE 
    • Refer to BRAKE CALIPER, REPLACING, SIX-PISTON CERAMIC BRAKE 
    • Servicing. Refer to BRAKE CALIPER PISTON, REMOVING AND INSTALLING, SIX AND TEN-PISTON BRAKE .
20. Brake Rotor
    • Allocation. Refer to the Parts Information.
    • Wear limit specified on the brake rotor
    • Refer to BRAKE ROTORS, CHECKING, CERAMIC BRAKES
    • Do not replace the damaged or worn brake rotor individually on a complete axle.
    • If only one brake rotor is replaced, the brake pads can be reused, if they do not show any damages.
    • Pay attention to the side of the vehicle specified on the brake rotor "L" / "R" and the running direction "arrow"
    • Refer to BRAKE ROTOR, REMOVING AND INSTALLING, CERAMIC BRAKES 
    • Do not loosen the threaded connections. Refer to Fig 3.
21. Bolt
    • 10 Nm
22. Bolt
    • 10 Nm
    • Quantity: 4

Do Not Loosen the Brake Caliper Threaded Connections.

Fig 2: Do Not Loosen Bolted Connections -A Arrows-

Courtesy of AUDI OF AMERICA, LLC

Tighten the guide pins -B arrows- to 21 to 26 Nm.

Do Not Loosen the Threaded Connections on the Ceramic Brake Rotor.

Fig 3: Ceramic Brake Disc, Cracks Near Threaded Connectors

Courtesy of AUDI OF AMERICA, LLC