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Technical Data, Brakes

Brake System

Components Version
Brake circuit distribution Dual-circuit brake system with allocation in pairs: left and right front, left and right rear.
Brake Master Cylinder Tandem brake master cylinder
Brake booster
  • All excluding 2.9L TFSI and vehicles with a high-voltage system: vacuum brake booster
  • 2.9L TFSI and vehicles with high-voltage system: electromechanical brake booster
Brake pressure regulator Via ABS Control Module -J104-

Steel Front Brakes

PR Number   1LC 1LE, 1LF, 1ZV, 1ZW 1ZA, 1ZY
Brake Caliper   Four-Piston Brake Four-Piston Brake Six-Piston Brake
Brake Rotor Diameter in mm 318 338 350
  New thickness mm 30 30 34
  Wear limit mm 28. Refer to (1) and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES . 28. Refer to (1) and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES . 32. Refer to (1) and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES .
(1) The wear limit is specified on the brake rotor.
PR Number   1LN, 1LP, 1ZC, 1ZU 1LB, 1LW 1LA, 1LH
Brake Caliper   Six-Piston Brake Six-Piston Brake Ten-Piston Brake
Brake Rotor Diameter in mm 375 400 420
  New thickness mm 36 38 40
  Wear limit mm 34. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES . 36. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES . 38. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES .
(1) The wear limit is specified on the brake rotor.

Ceramic Front Brakes

PR Number   1LX 1LM, 1LU, 1LV  
Brake Caliper   Six-Piston Brake Ten-Piston Brake  
Brake Rotor Diameter in mm 400 440  
  New thickness mm 38 40  
  Wear limit mm Footnote  Refer to BRAKE ROTORS, CHECKING, CERAMIC BRAKES 
(1) The wear limit is specified on the brake rotor.

Brake Pad Wear Limits:

Rear Steel Brakes

PR Number   1KD 1KF, 1KJ, 2EF, 2EW 2EH, 1KQ
Brake Caliper   Single-Piston Brake Single-Piston Brake Single-Piston Brake
Brake Rotor Diameter in mm 300 330 350
  New thickness mm 12 22 28
  Wear limit mm 10. Refer to Footnote  , and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES  20. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES . 26. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES .
(1) The wear limit is specified on the brake rotor.
PR Number   1KK and 1KU    
Brake Caliper   Single-Piston Brake    
Brake Rotor Diameter in mm 370    
  New thickness mm 30    
  Wear limit mm 28. Refer to Footnote  and Refer to BRAKE ROTOR, CHECKING, STEEL BRAKES .    
(1) The wear limit is specified on the brake rotor.

Ceramic Rear Brakes

PR Number   1KY, 2EA, 2ED, 1KZ    
Brake Caliper   Single-Piston Brake    
Brake Rotor Diameter in mm 370    
  New thickness mm 30    
  Wear limit mm Footnote  Refer to BRAKE ROTORS, CHECKING, CERAMIC BRAKES     
(1) The wear limit is specified on the brake rotor.

Brake Pad Wear Limits:

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