Overview - Single-Piston Brake

Fig 1: Exploded View Of Front Brakes

Courtesy of AUDI OF AMERICA, LLC

1. Brake Caliper
   • Allocation. Refer to the Parts Information.
   • Do not disconnect the brake hose when replacing a brake pad
   • Refer to BRAKE CALIPER, REMOVING AND INSTALLING, SINGLE-PISTON BRAKE 
   • Refer to BRAKE CALIPER PISTON, REMOVING AND INSTALLING, SINGLE-PISTON BRAKE
2. Bleed Screw
   • 14 Nm
3. Protective Cap
4. Bolt
   • 35 Nm
5. Bearing Bushing
6. Guide Pin
7. Wheel Bearing Housing
8. Bolt
   • 200 Nm
9. Banjo Bolt
   • 35 Nm
   • Permanent with seals
   • Clean any corrosion from the sealing surface on the brake caliper
10. Brake Hose
    • Replace if damaged
    • Make sure the brake hose is routed correctly. Make sure the brake hose is not pinched, bent, twisted or rubbing against the vehicle.
    • Make sure that tabs are properly seated in the grooves on the bracket.
11. Bracket
    • For the brake line/hose
12. Brake Line
    • With standard tool: 14 Nm
    • With special tool. Refer to Fig 2 12 Nm
    • Replace a damaged or bent brake line
    • Do not change the bending shape.
13. Springs
    • Replace if damaged
14. Bracket
    • For brake hose and wire
15. Bolt
    • 8 Nm
16. Brake Shield
    • Refer to BRAKE SHIELD, REMOVING AND INSTALLING 
17. Brake Rotor
    • Always replace on both axles, at the same time the brake pads must also be replaced
    • Allocation. Refer to the Parts Information.
    • Wear limit. Refer to TECHNICAL DATA, BRAKES .
    • 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.
    • Refer to BRAKE ROTOR, REMOVING AND INSTALLING, ALL STEEL BRAKES 
18. Bolt
    • 4.5 Nm
19. Bolt
    • 12 Nm
20. Brake Carrier
    • Coat the running surface for the brake pads thinly with Grease. Refer to the Parts Information for the allocation.
21. Brake Pads
    • Always replace on both axles.
    • Allocation. Refer to the Parts Information.
    • Check the pad thickness. For the wear limit. Refer to BRAKE PADS, CHECKING THICKNESS
    • Refer to BRAKE PADS, REMOVING AND INSTALLING, SINGLE-PISTON BRAKE 
    • Inner right brake pad with brake pad wear sensor
    • Refer to Figure
22. Not Installed
23. Not Installed

Brake Lines Tightening Using Special Tools

Fig 2: Special Tool Assembly For Tightening Brake Lines

Courtesy of AUDI OF AMERICA, LLC

Special tools and workshop equipment required 

• Open Ring Spanner Insert - AF 11mm: VAG1410/6 
• Torque Wrench - Universal Joint : VAG1410/7 
• Mini Torque Wrench: VAS6854