Leon Mk1
| Secondary air system: removing and fitting. |
| 1 - | Connecting hose |
| q | From distributor part in vacuum tank on cylinder head |
| 2 - | Secondary air inlet valve -N112- |
| q | Fixed on cylinder head cover |
| 3 - | Connector |
| q | Black, twin-pole |
| 4 - | Secondary air pump relay -J299- |
| q | Checking: → Vehicle diagnosis, testing and information system VAS 5051 |
| 5 - | Pressure hose |
| q | To combination valve |
| q | Check firm seating |
| q | Tighten veined part of coupling to unblock |
| 6 - | Suction line |
| q | From upper part of air cleaner |
| q | Check firm seating |
| q | Tighten ribbed parts of coupling to unblock |
| 7 - | O-ring |
| q | Replace if damaged |
| 8 - | Secondary air pump motor -V101- |
| q | Checking: → Chapter |
| 9 - | Support |
| q | For secondary air pump motor |
| q | Secured to intake manifold |
| 10 - | 10 Nm |
| 11 - | Connector |
| q | Black, twin-pole |
| 12 - | 10 Nm |
| 13 - | 10 Nm |
| 14 - | Support |
| q | Fixed in cylinder head |
| 15 - | Gasket |
| q | Replace |
| 16 - | 25 Nm |
| 17 - | Intake manifold |
| 18 - | Cylinder head |
| 19 - | Pressure hose |
| q | From Secondary air pump motor -V101- |
| q | Check firm seating |
| q | Tighten veined part of coupling to unblock |
| 20 - | O-ring |
| q | Replace if damaged |
| 21 - | Combination valve |
| q | Checking: → Chapter |
