General information
| Brake system type | With double diagonal separation of contours, with ABS, EDL, TCS and ESP |
| Type and volume of brake fluid | see Specifications for Chapter 1 |
| Maximum permissible pressure drop* from 50 bar in 45 seconds, bar | 4 |
| ABS/ESP control unit model | Teves Mark 25E |
| Master cylinder diameter, mm | 26.99 |
| Brake booster diameter, inch | 9+10 |
* When measuring at the bleeding nipple of one of the front calipers after depressing the brake pedal until a pressure of 50 bar is reached and then holding it.
Front brakes
| Front brake options (by PR codes): 1LF | Brembo (18") |
| 1LT | Brembo (18" Plus) |
| 1LN/1LW | Alkon 8K (20") |
| Type of brake mechanisms: 1 LF, 1LT | Disc brakes with 6-piston calipers and ventilated metal discs |
| 1LN/1LW | Disc brakes with 8-piston calipers and ventilated, perforated ceramic discs |
| Brake disc diameter, mm: 1LF | 350 |
| 1LT | 368 |
| 1LN/1LW | 420 |
| Nominal // minimum permissible thickness of brake discs, mm: 1 LF | 34 // 32 |
| 1 LT | 36 // 34 |
| 1 LN/1LW | 40 // see marking on the disk (see illustration 1.2) |
| Nominal thickness of pads, mm: 1 LF, 1LT (without backing) | 11 |
| 1LN/1LW (with a backing) | 20 |
| Minimum permissible thickness of brake pads (without // with backing), mm: 1LF, 1LT | 2 // - |
| 1LN/1 LW | - // 10 |
| Brake piston diameter, mm: 1LF | 2 sets: 30, 34 and 38 |
| 1LT | 6 pcs. of 36 |
| 1LN/1LW | 8 pcs. at 30.2 |
Rear brakes
| Rear brake mechanism option (by PR codes): 1KF | Brembo (17") |
| 2EA | Brembo (18") |
| 1KD | Brembo (18" Plus) |
| 1 KK/2EF | TRW C45 EPB (20") |
| Type of brake mechanisms: 1KF, 2EA, 1KD | Disc brakes with 4-piston calipers and ventilated metal discs |
| 1KK, 2EF | Disc, with 1-piston calipers and ventilated ceramic discs |
| Brake disc diameter, mm: 1KF | 330 |
| 1KD, 1KK/2EF | 356 |
| 2EA | 358 |
| Nominal // minimum permissible thickness of brake discs, mm: 1KF, 2EA, 1KD | 28 // 26 |
| 1KK, 2EF | 28 // see markings on the disk (see illustration 1.2) |
| Nominal thickness of pads, mm: 1 KF, 2EA, 1KD (without backing) | 11 |
| 1KK, 2EF (with a backing) | 16.9 |
| Minimum permissible thickness of brake pads (without // with backing), mm: 1KF, 2EA, 1KD | 2 // - |
| 1LN/1LW | - // 9 |
| Brake piston diameter, mm: 1KF | 2 sets: 28 and 30 |
| 1KD, 2EA | 30 |
| 1LN/1LW | 45 |
Parking brake
| Type | Drum mechanisms in the rear brakes |
| mechanisms, with a cable drive from a separate pedal Nominal // maximum permissible diameter of the brake drum, mm | 210 // 211 |
| Nominal // minimum permissible thickness of pads, mm | 30 // 5.5 |
[The original publication in its entirety is posted on the website: AudiManual.ru]
