Leon Mk1
| Part I Timing belt system - Assembly overview |
| 1 - | Upper protection element for the notched belt |
| 2 - | 20 Nm + retighten 1/4 turn (90º) |
| q | Replace. |
| q | Use camshaft immobilizer -T10016- to loosen and tighten |
| 3 - | Camshaft wheels |
| q | Observe position when fitting the toothed belt → Chapter |
| 4 - | Tension roller of the derived branch of the notched belt. |
| q | check → Chapter |
| q | Tension the notched belt. → Chapter |
| 5 - | Notched belt secondary branch |
| q | Mark direction of rotation before removing |
| q | Check for wear |
| q | Do not bend the belt |
| q | removing, installing and tensioning → Chapter |
| 6 - | Bracket |
| q | Depending on version |
| 7 - | 10 Nm |
| 8 - | Coolant pump |
| q | Completely replace in case of fault or leakage |
| q | Removing and fitting → Chapter |
| 9 - | Rear notched belt guard |
| 10 - | 20 Nm |
| 11 - | 50 Nm |
| 12 - | Idler roller for principal notched belt |
| 13 - | Principal belt tension roller |
| q | check → Chapter |
| q | Tension the notched belt. → Chapter |
| 14 - | Crankshaft sprocket |
| q | Observe position when fitting the toothed belt → Chapter |
| 15 - | Principal notched belt: |
| q | Mark direction of rotation before removing |
| q | Check for wear |
| q | Do not bend the belt |
| q | Notched belt routing → Fig. |
| q | removing, installing and tensioning → Chapter |
| 16 - | 12 Nm |
| q | Replace. |
| 17 - | Pulley |
| q | Note the attachment when fitting |
| q | Removing and fitting → Chapter |
| 18 - | Securing bolt |
| q | Follow the correct tightening order → Chapter |
| q | Replace. |
| q | The contact surfaces of the attachment bolt and the pulley must not have remains of grease or oil |
| q | Apply oil before fitting it (thread) |
| q | Secure the pulley with the counterhold -3415- to prevent it from turning |
| q | Tightening can be done in several stages |
| q | The torque angle can be measured with a Hazet 6690 torque or equivalent |
| 19 - | Poly-V belt |
| q | Mark direction of rotation with chalk or felt pen before removing |
| q | Check for wear |
| q | Do not bend the belt |
| q | Removing and fitting → Chapter |
| q | Poly-V belt routing → Chapter |
| 20 - | Notched belt guard - lower part |
| 21 - | Engine support |
| 22 - | 50 Nm |
| q | Replace. |
| 23 - | 25 Nm |
| q | Depending on version |
| 24 - | Idler wheel |
| q | Depending on version |
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