Leon Mk2
| Part II Chain control - Assembly overview |
| 1 - | Cylinder head with camshaft housing |
| q | The seal surface should not be reworked |
| q | With integrated camshaft bearings |
| q | Remove any sealant remains. |
| q | Before mounting, apply AMV 188 001 02. |
| q | To fit, place vertically with the adjustment bolts in the cylinder head holes |
| 2 - | cylinder block |
| q | Removing and installing the engine block → Chapter |
| q | Dismantle and assemble pistons and conrods → Chapter |
| 3 - | Holder |
| q | For tension device and air conditioner compressor |
| 4 - | Chain ratchet |
| q | To drive oil pump and distribution chain |
| q | The contact surfaces must be free of oil and grease. |
| 5 - | Control chain |
| q | Mark D.O.R. before dismounting (installation position) |
| 6 - | Guide rail |
| q | For distribution chain |
| 7 - | 25 Nm |
| 8 - | Chain tensioner with tensioning plate |
| q | For oil pump drive |
| 9 - | Tensioning spring |
| 10 - | Oil sump |
| q | Removal and assembly for engines with liquid seal → Chapter |
| q | Clean sealing surface before installing |
| q | Install with silicone sealant D 176 404 A2 |
| 11 - | 15 Nm |
| 12 - | 15 Nm |
| 13 - | Chain ratchet |
| q | Immobilise the sprocket using the retention tool -T10172-. |
| 14 - | Trim cover |
| 15 - | 20 Nm +1/4 turn further (90º) |
| q | Replace |
| 16 - | Piston |
| q | For control chain tensioner |
| 17 - | Compression spring |
| 18 - | Chain tensioner |
| 19 - | 9 Nm |
| 20 - | Distribution housing |
| q | For ease of assembly, tighten two studs -M6x80- on the camshaft casing and the engine block |
| q | Fix the oil sump with two bolts to ease the fitting of the distribution casing. |
| 21 - | Sleeve |
| q | Follow the correct tightening order → Chapter |
| q | The contact surfaces must be free of oil and grease. |
| 22 - | Belt pulley |
| q | Follow the correct tightening order → Chapter |
| q | The contact surfaces must be free of oil and grease. |
| q | Secure the pulley with the counterhold -3415- to prevent it from turning |
| q | Poly-V belt: Removing and installing radio → Chapter |
| 23 - | Attachment bolt |
| q | Follow the correct tightening order → Chapter |
| q | Replace |
| q | The contact surface of the fastening bolt must be free of oil and grease |
| q | Apply oil before fitting it (thread) |
| q | Secure the pulley with the counterhold -3415- to prevent it from turning |
| q | The torque angle can be measured with a Hazet 6690 torque or equivalent |
| 24 - | 10 Nm |
| 25 - | 50 Nm |
| 26 - | 10 Nm |
| 27 - | Leads to intake manifold |
| 28 - | 10 Nm |
| 29 - | Vacuum valve |
| 30 - | O-ring |
| q | Replace |
| 31 - | 10 Nm |
| 32 - | Oil settling tank |
| 33 - | Gasket |
| q | Replace |
| 34 - | Tensioning plate |
| 35 - | 40 Nm +1/4 turn further (90º) |
| q | Immobilise the variator using the retention tool -T10172-. |
| q | Left turn bolt |
| q | Replace |
| 36 - | 50 Nm + 1/4 turn (90º) |
| q | Immobilise the sprocket using the retention tool -T10172-. |
| q | Replace |
| 37 - | Variator |
| q | Must not be dismantled |
| q | Removing and installing → Chapter |
| 38 - | Distribution chain |
| q | Mark D.O.R. before dismounting (installation position) |
| 39 - | Chain ratchet |
| q | For exhaust camshaft |
| q | Immobilise using the retention tool -T10172- |
| 40 - | Guide pin 20 Nm |
| 41 - | Sleeve |
