Leon Mk2
| Valve control: Assembly overview |
| 1 - | 65 Nm |
| q | To loosen and tighten use counter holder -3036-, see equivalent → Anchor. |
| 2 - | Cogwheel for timing belt |
| q | Note the fitting position: The narrow stay on the camshaft gear points toward front and the TDC marking on the cylinder 1 is visible from the front → Anchor. |
| 3 - | Oil seal for exhaust camshaft |
| q | replace → Chapter |
| 4 - | Cylinder head |
| q | See note → Chapter |
| q | Checking valve guides → Chapter |
| q | Valve seats: reworking → Chapter |
| q | Dowel sleeves for bearing caps must be positioned in cylinder head |
| q | Before fitting, apply sealant at sealing points → Fig. and → Fig. |
| 5 - | Valve guide |
| q | check → Chapter |
| 6 - | Valve stem seal |
| q | replace → Chapter |
| 7 - | Valve spring |
| q | Removing and installing → Chapter |
| 8 - | Valve plate spring |
| 9 - | Woodruff keys |
| 10 - | Hydraulic followers: |
| q | check → Chapter |
| q | Removing and installing → Chapter |
| q | Do not exchange position |
| q | Set down with cam bearing surface facing downwards. |
| q | Before installing, check camshaft axial clearance → Chapter |
| q | Lubricate contact surface |
| 11 - | Supply camshaft |
| q | Check radial clearance with Plastigage (bucket tappets removed) |
| q | Radial play; wear limit: 0.1 mm |
| q | out-of-true: Max. 0.035 mm |
| q | check the axial play → Chapter |
| q | Camshaft: removing and fitting → Chapter |
| 12 - | Bearing cap for inlet camshaft |
| q | Must sit on dowel sleeves |
| q | The dowel sleeves must sit in the cylinder head |
| q | Note fitting position: |
| q | Dismantling and assembling procedure → Anchor |
| 13 - | Double bearing cap |
| q | Must sit on dowel sleeves |
| q | The dowel sleeves must sit in the cylinder head |
| q | Before installing, apply small quantity of sealant to sealing surface |
| q | Sealing points between double bearing cap/cylinder head → Fig. |
| 14 - | Exhaust camshaft |
| q | Check radial clearance with Plastigage (bucket tappets removed) |
| q | Radial play; wear limit: 0.1 mm |
| q | out-of-true: Max. 0.035 mm |
| q | check the axial play → Chapter |
| q | Camshaft: removing and fitting → Chapter |
| 15 - | Bearing cap for exhaust camshaft |
| q | Must sit on dowel sleeves |
| q | The dowel sleeves must sit in the cylinder head |
| q | Note fitting position: |
| q | Dismantling and assembling procedure → Anchor |
| 16 - | 10 Nm |
| 17 - | 10 Nm |
| 18 - | Drive chain |
| q | Check for wear |
| q | Removing and installing → Chapter „Camshafts and camshaft adjuster: Removing and installing“ |
| q | Mark installation position prior to removal if old drive chain is to be reused → Anchor |
| 19 - | Camshaft adjuster |
| q | With inlet camshaft control valve 1 -N205- |
| q | Before removing, lock in place using holder for chain tensioner -3366-, see equivalent → Anchor |
| q | Removing and installing → Chapter |
| q | Sealing points between camshaft adjuster and cylinder head → Fig. |
| q | Checking variable valve timing in „Guided Fault Finding“ → Vehicle diagnostic, testing and information system VAS 5051 |
| 20 - | Bonded rubber gasket |
| q | Apply sealant before installing → Anchor |
| 21 - | Seal |
| q | replace |
| 22 - | Outlet valve |
| q | Sodium-filled |
| q | Note safety requirements when disposing of valves with sodium filling → Chapter |
| q | Not to be reworked, only grinding in is permissible |
| q | Valve dimensions → Chapter |
| q | Checking valve guides → Chapter |
| q | Valve seats: reworking → Chapter |
| 23 - | Inlet valve |
| q | Not to be reworked, only grinding in is permissible |
| q | Valve dimensions → Chapter |
| q | Checking valve guides → Chapter |
| q | Valve seats: reworking → Chapter |
| 24 - | Oil seal for inlet camshaft |
| q | replace → Chapter |
| 25 - | Rotor for Hall sender |
| q | Note the fitting position: Insert the protrusion in the section of the camshaft |
| 26 - | Washer |
| q | With taper |
| q | Note fitting position: |
| 27 - | 25 Nm |
| 28 - | Hall sender -G40- housing |
| 29 - | 10 Nm |
