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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Mechanical Components (Brake System) (2 Of 2) >> 46 Mechanical Components >> Rear Brakes >> Overview - Rear Brakes

Overview - Rear Brakes

Fig 1: Exploded View Of Rear Brakes
GWWA46-10493Courtesy of AUDI OF AMERICA, LLC
  1. Bleeder Screw
    • 10 Nm
    • Before installing, thinly coat with Assembly Paste :G 052 150 A2  .
  2. Protective Cap
  3. Bolt
    • 35 Nm
    • Always replace after removing
    • Self-locking
    • When loosening and tightening, counterhold at the guide pin
  4. Seal
    • Always replace after removing
  5. Bolt
    • 12 Nm
  6. Electro-Mechanical Parking Brake Motor
    • Left Parking Brake Motor -V282-
    • Right Parking Brake Motor -V283-
  7. Guide Pin
    • Check ease of movement
  8. Clip
  9. Brake Pad Wear Indicator Sensor Wire
  10. Protective Cap
    • Replace if damaged
  11. Banjo Bolt
    • 10 Nm + 45°
    • Replace together with the brake hose
    • Permanent with gaskets
    • Check for damage
    • Clean any corrosion from the sealing surface on the brake caliper
  12. Brake Hose
    • Pay attention to the correct routing: Make sure the brake hose is not blocked, bent or rubbing against the vehicle
    • Replace if damaged
    • Make sure that tabs are properly seated in the grooves on the bracket.
  13. Rivet
  14. Bracket
    • For the brake line/hose
    • On the body
  15. Spring
    • Replace if damaged
  16. Brake Line
    • Brake line to brake hose tightening specification: 14 Nm
  17. Bolt
    • 8 Nm
  18. Bracket
    • For brake hose
  19. Bolt
    • 100 Nm + 90°
    • Always replace after removing
    • Self-locking
  20. Wheel Bearing Housing
  21. Brake Shield
  22. Bolt
    • 10 Nm
  23. Brake Rotor
    • 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.
    • Replace on both sides of axle if worn.
    • Brake rotor wear limit. Refer to TECHNICAL DATA .
    • Removing and installing. Refer to REAR BRAKE ROTOR, REMOVING AND INSTALLING 
  24. Bolt
    • 10 Nm
  25. Brake Pads
  26. Brake Carrier
    • Delivered as an assembled replacement part with sufficient grease on the guide pins
    • Removing and installing. Refer to REAR BRAKE CARRIER, REMOVING AND INSTALLING 
    • Clean the contact surfaces for the brake pads and thinly coat with Lithium Grease :G 052 150 A2 
  27. Brake Caliper

Note for Brake Pads

The brake pad clips -A- must sit correctly in the contact surfaces in the brake carrier.

GWWA46-10626Courtesy of AUDI OF AMERICA, LLC

Brake pad wear indicator sensor mount -arrow-, only installed on the right rear side