Golf Mk5
| ABS Mark 70 (ABS/TCS) |
| 1 - | ABS control unit -J104- |
| q | Removing and installing → Chapter. |
| 2 - | ABS hydraulic unit -N55- |
| q | Removing and installing → Chapter. |
| 3 - | Brake line |
| q | From primary piston circuit of brake master cylinder to hydraulic unit. |
| q | Identification: union nut with thread M10 x 1 |
| 4 - | Brake line |
| q | From secondary piston circuit of brake master cylinder to hydraulic unit. |
| q | Identification: union nut with thread M12 x 1 |
| 5 - | Brake line |
| q | To front left brake caliper. |
| q | Identification: union nut with thread M12 x 1 |
| 6 - | Brake line |
| q | To front right brake caliper |
| q | Identification: union nut with thread M10 x 1 |
| 7 - | Brake line |
| q | To rear left brake caliper |
| q | Identification: union nut with thread M12 x 1 |
| 8 - | Brake line |
| q | To rear right brake caliper |
| q | Identification: union nut with thread M10 x 1 |
| 9 - | Torx socket head bolt, 5.5 Nm |
| q | Use new bolts. |
| 10 - | Bracket |
| 11 - | Hexagon bolt, 8 Nm |
| 12 - | Seal |
| q | For brake servo. |
| 13 - | Brake servo |
| q | On petrol engines, the required vacuum is taken from the intake manifold. |
| q | Diesel engines are fitted with an vacuum pump to create the required vacuum → Chapter. |
| q | Functional check: |
| – | With engine switched off, depress brake pedal firmly several times. (This will release the vacuum in the unit.) |
| – | Now step on and hold brake pedal with medium pressure and start engine. If the brake servo is functioning properly, the brake pedal will be felt to go down as the servo takes effect. |
| q | If faulty, renew completely (check all vacuum lines first). |
| q | Removing and installing → Chapter. |
| 14 - | Sealing ring |
| 15 - | Brake master cylinder |
| q | Allocation → Electronic Parts Catalogue (ETKA). |
| q | Cannot be repaired. If faulty, renew as a complete unit. |
| q | Removing and installing → Chapter. |
| 16 - | Hexagon nut, 25 Nm |
| q | Always renew after removing. |
| 17 - | Sealing plug |
| q | Moisten with brake fluid and press into brake fluid reservoir. |
| 18 - | Brake fluid reservoir |
| 19 - | Cap |
| 20 - | Sealing plug |
| q | Connection for vacuum hose. |
| 21 - | Vacuum hose |
| q | Fit in brake servo. |
| 22 - | Brake servo pressure sensor -G294- |
| q | In vehicles with an FSI engine without HBV (hydraulic brake with vacuum servo) |
| q | Removing and installing → Chapter. |
