A4 Mk1
| Toothed belt drive - exploded view |
| 1 - | Bolt |
| q | 10 Nm |
| 2 - | Bolt |
| q | 10 Nm |
| 3 - | Nut |
| q | 10 Nm |
| 4 - | Bolt |
| q | 20 Nm |
| 5 - | Toothed belt cover (top) |
| 6 - | Toothed belt |
| q | Check for wear |
| q | Do not kink |
| q | Before removing, mark direction of rotation with chalk or felt-tipped pen |
| q | Removing → Chapter |
| q | Installing (adjusting valve timing) → Anchor |
| 7 - | Bolt |
| q | 25 Nm |
| 8 - | Nut |
| q | 10 Nm |
| 9 - | Washer |
| 10 - | Bolt |
| q | Use counterhold tool -3036- when loosening and tightening |
| q | Tightening torque → Item |
| 11 - | Washer |
| 12 - | Camshaft sprocket |
| q | For exhaust camshaft |
| q | Remove toothed belt prior to removing and installing → Chapter |
| 13 - | Tensioning roller |
| 14 - | Fitted bolt |
| q | For tensioning roller |
| q | 25 Nm |
| 15 - | Toothed belt cover (rear) |
| 16 - | Bolt |
| q | 20 Nm |
| 17 - | Idler gear |
| 18 - | Washer |
| 19 - | Crankshaft sprocket |
| q | Contact surface between sprocket and crankshaft must be free of oil |
| q | Can only be installed in one position |
| 20 - | Bolt |
| q | Renew |
| q | Do not lubricate with oil |
| q | Use counterhold tool -3415- to loosen and tighten |
| q | 90 Nm + 90° |
| 21 - | Bolt |
| q | Use counterhold tool -3036- when loosening and tightening |
| q | 65 Nm |
| 22 - | Tensioner for toothed belt |
| 23 - | Bolt |
| q | 10 Nm |
| 24 - | Idler roller |
| 25 - | Bolt |
| q | 25 Nm |
| 26 - | Toothed belt cover (bottom) |
| q | Unbolt vibration damper prior to removing |
