Leon Mk1
| ABS Mark 70 -ABS/ASR/EBV/RKA- (after week 22.08) |
| 1 - | ABS control unit -J104- |
| q | Removing and installing → Chapter |
| 2 - | Hydraulic units for the ABS. -N55- |
| q | Removing and installing → Chapter |
| 3 - | Brake line |
| q | From primary piston circuit of brake master cylinder to hydraulic unit. |
| q | Specifications: threaded pipe bolt M 10 x 1 |
| 4 - | Brake line |
| q | From secondary piston circuit of brake master cylinder to hydraulic unit. |
| q | Specifications: threaded pipe bolt M 12 x 1 |
| 5 - | Brake line |
| q | To the front left brake calliper |
| q | Specifications: threaded pipe bolt M 10 x 1 |
| 6 - | Brake line |
| q | To the front right brake calliper |
| q | Specifications: threaded pipe bolt M 10 x 1 |
| 7 - | Brake line |
| q | To the rear left brake calliper |
| q | Specifications: threaded pipe bolt M 12 x 1 |
| 8 - | Brake line |
| q | To the rear right brake calliper |
| q | Specifications: threaded pipe bolt M 10 x 1 |
| 9 - | Torx screw 5.5 Nm |
| q | Use new bolts. |
| 10 - | Bracket |
| 11 - | Hexagon bolt, 8 Nm |
| 12 - | Seal |
| q | For brake servo. |
| 13 - | Brake servo |
| q | In petrol engines the vacuum required is taken from the intake manifold. |
| q | In diesel engines the vacuum is obtained by a fitted vacuum pump → Chapter |
| q | Functional check: |
| – | With engine off, press the brake pedal hard several times (this reduces the existing vacuum in the servo brake). |
| – | Next, keep the brake pedal depressed halfway and start engine. If the brake servo is working correctly the brake pedal will give way notably (the brake servo effect is beginning) |
| q | If faulty, renew as a complete unit. |
| q | Removing and installing → Chapter |
| 14 - | Sealing ring |
| 15 - | Brake master cylinder |
| q | Allocation: → Parts catalogue |
| q | Cannot be repaired. If faulty, renew as a complete unit. |
| q | Removing and installing → Chapter |
| 16 - | Hexagon nut, 25 Nm |
| q | Replace after each removal |
| 17 - | Seal cap |
| q | Moisten with brake fluid and place the brake fluid reservoir under pressure |
| 18 - | Brake fluid reservoir |
| 19 - | Plug |
| 20 - | Seal cap |
| q | Vacuum hose connection |
