Overview - Four-Piston Brake
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- Brake Shield
- Wheel Bearing Housing
- Bracket
- For brake hose and wire
- Hose Bracket
- For brake hose
- Bolt
- 20 Nm
- Brake Line/Hose
- Replace if damaged
- 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.
- Brake line to brake caliper tightening specification: 14 Nm
- Bracket
- For the brake line/hose
- Spring
- Replace if damaged
- Brake Line
- Replace a damaged or bent brake line
- Brake line to brake hose tightening specification: 14 Nm
- Do not change the bending shape.
- Bolt
- 20 Nm
- Bolt
- 196 Nm
- Brake Pad Wear Indicator Wire
- For the left inner brake pad with the Left Front Brake Pad Wear Sensor -G34-
- Replace when replacing the pads. Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING, ALL BRAKES EXCLUDING SIX-PISTON CERAMIC BRAKE .
- Anti-Friction Plate
- Refer to Fig 4
- Protective Cap
- Bleed Screw
- 18 Nm
- Refer to HYDRAULIC SYSTEM, BLEEDING
- Spring Bracket
- Refer to Fig 3
- Brake Caliper
- Allocation. Refer to the Parts Information.
- Refer to BRAKE CALIPER, REMOVING AND INSTALLING, FOUR-PISTON BRAKE
- Refer to BRAKE CALIPER, REPLACING, FOUR-PISTON BRAKE
- Servicing. Refer to BRAKE CALIPER PISTON, REMOVING AND INSTALLING, FOUR-PISTON BRAKE .
- Anti-Friction Plate
- Refer to Fig 4
- Brake Pads
- Always replace on both axles.
- Allocation. Refer to the Parts Information.
- Inner brake pads with a mount for the brake pad wear sensor
- Checking Pad Thickness, Wear Limit
- A6. Refer to Maintenance Procedures; Brake Pad Thickness, Checking
- A7. Refer to Maintenance Procedures; Brake Pad Thickness, Checking
- Refer to BRAKE PADS, REMOVING AND INSTALLING, FOUR-PISTON BRAKE
- Refer to Fig 2
- Replacing the brake pad wear indicator wire when changing the pads. Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING, ALL BRAKES EXCLUDING SIX-PISTON CERAMIC BRAKE .
- Brake Rotor
- Always replace on both axles.
- Allocation. Refer to the Parts Information.
- Wear limit specified on the brake rotor
- Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES
- When replacing the brake rotors, also replace the brake pads.
- Refer to BRAKE ROTOR, REMOVING AND INSTALLING, STEEL BRAKES
- Bolt
- 8 Nm
- Bolt
- 10 Nm
Brake Pad Installation Position
- Inner brake pad with groove -arrow- for brake pad wear indicator sensor
- Outer Brake Pad
Spring Bracket, Installing
-- After inserting the brake pads -2-, slide the spring bracket -1- onto the brake pads through the eyes and let it engage into the mount.
- The spring bracket must engage audibly and noticeably in the mount in the brake caliper.
Anti-Friction Plate Installation Position
- Insert all four anti-friction plates -A- into the brake pad contact surfaces as shown.
- Anti-friction plate installation position: the small narrow tab faces the brake caliper.
- Make sure the installation position is correct before installing the brake pads.