FixVault
Home › Audi › 2019 › RS 5 › Repair and Diagnosis › External Pages › Different car › Section 260 (General, Technical Data Brake System) › 00 General, Technical Data › Technical Data › Technical Data, Brakes

Technical Data, Brakes

WARNING: This page is about a different car, the 2019 Audi A5 Sportback and 2018 Audi A5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.

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 Vacuum brake booster
Brake pressure regulation Via ABS Control Module -J104-

Steel front brakes 

PR Number 1LA, 1LB 1LC, 1LD, 1LG 1LE, 1LF, 1LH
Version Steel Steel Steel
Brake Caliper   Single-Piston Brake Four-Piston Brake Four-Piston Brake
Brake Rotor Diameter in mm 314 318 338
  New thickness mm 25 30 30
  Wear limit mm 23. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES  28. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES  28. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES 
(1) The wear limit is specified on the brake rotor.
(2) Brake pads wear limit. Refer to BRAKE PADS, CHECKING THICKNESS .
PR Number 1LJ 1LL/1ZA/1ZC/1ZK 1LI/1ZD
Version Steel Steel Steel
Brake Caliper   Six-Piston Brake Six-Piston Brake Six-Piston Brake
Brake Rotor Diameter in mm 350 350 375
  New thickness mm 34 34 36
  Wear limit mm 32. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES  32. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES  34. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES 
(1) The wear limit is specified on the brake rotor.
(2) Brake pads wear limit. Refer to BRAKE PADS, CHECKING THICKNESS .
PR Number 1LM/1LX/1LY/1LZ    
Version Steel    
Brake Caliper   Six-Piston Brake    
Brake Rotor Diameter in mm 375    
  New thickness mm 36    
  Wear limit mm 34. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES     
(1) The wear limit is specified on the brake rotor.
(2) Brake pads wear limit. Refer to BRAKE PADS, CHECKING THICKNESS .

Ceramic front brakes 

PR Number 1LN/1LT/1LU/1ZU/1ZV/1ZW    
Version Ceramic    
Brake Caliper   Six-Piston Brake    
Brake Rotor Diameter in mm 400    
  New thickness mm 38    
  Wear limit   (1)(2)BRAKE ROTORS, CHECKING, CERAMIC BRAKES     
(1) The wear limit is specified on the brake rotor.
(2) Brake pads wear limit. Refer to BRAKE PADS, CHECKING THICKNESS .

Rear Brakes 

PR Number 1KD/1KE/1KI 1KF/1KJ/1KK/1KP 1KQ/1KR/1KU/1KY/2EJ  
Version Steel Steel  
Brake Caliper   Single-Piston Brake Single-Piston Brake  
Brake Rotor Diameter in mm 300 330  
  New thickness mm 12 22  
  Wear limit   10. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES  20. Refer to (1), (2) and BRAKE ROTOR, CHECKING, STEEL BRAKES   
(1) The wear limit is specified on the brake rotor.
(2) Brake pads wear limit. Refer to BRAKE PADS, CHECKING THICKNESS .
About FixVault