Leon Mk2
| Assembly overview |
| 1 - | 50 Nm + retighten 1/4 turn (90º) |
| q | Replace |
| 2 - | Pinions |
| q | Supply camshaft |
| q | Note position when installing timing chain → Chapter |
| 3 - | Pinions |
| q | Exhaust camshaft |
| q | Note position when installing timing chain → Chapter |
| 4 - | 10 Nm + retighten 1/4 turn (90º) |
| q | Replace |
| q | Tighten from centre outwards |
| 5 - | Camshaft housing |
| q | removing and installing → Chapter |
| q | Remove old sealant residues |
| q | Coat with D154 103 A1 before fitting. |
| q | When installing, fit vertically from above onto studs and dowel pins. |
| 6 - | O ring |
| q | Replace |
| 7 - | 10 Nm |
| 8 - | Roller rocker arms |
| q | Check roller bearing. |
| q | Oil sliding surfaces |
| q | ?When installing, secure to support element using securing clip. |
| 9 - | Cones |
| 10 - | Supporting element |
| q | Check oil spray holes. |
| q | With hydraulic valve clearance compensation. |
| q | Do not mix them up |
| q | Before installing, check camshaft axial clearance → Chapter. |
| q | Oil sliding surfaces |
| 11 - | Valve plate spring |
| 12 - | Valve spring |
| Removing and installing: |
| q | with cylinder head removed: remove using compressor tool for valve spring -3362- |
| q | Cylinder head installed: → Chapter |
| 13 - | Valve stem seal |
| q | replace → Chapter |
| 14 - | Repair valve stem |
| q | With collar |
| 15 - | Valve guide |
| q | check → Chapter |
| 16 - | Cylinder head |
| q | Reworking valve seat → Chapter. |
| q | Reworking sealing surface → Fig. |
| 17 - | Valves: |
| q | Not to be reworked; only grinding-in permissible |
| q | Valve dimensions → Fig. |
| 18 - | Sealing cap |
| q | For exhaust camshaft. |
| 19 - | Exhaust camshaft |
| q | Do not interchange with inlet camshaft |
| q | check the axial play → Chapter |
| q | Coat with oil before inserting (also axial bearing shoulder). |
| 20 - | Sealing cap |
| q | For inlet camshaft. |
| 21 - | Supply camshaft |
| q | Do not interchange with exhaust camshaft. |
| q | check the axial play → Chapter |
| q | Coat with oil before inserting (also axial bearing shoulder). |
Note
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