A4 Mk2
| Toothed belt drive - exploded view of components |
| 1 - | Toothed belt cover (bottom) |
| q | Unbolt vibration damper prior to removing |
| 2 - | 10 Nm |
| q | Install using locking fluid; for locking fluid refer to → Parts catalogue |
| 3 - | Toothed belt cover (centre) |
| q | Unbolt poly V-belt tensioner prior to removing |
| 4 - | Toothed belt cover (top) |
| q | Engage carefully in centre toothed belt cover when installing |
| 5 - | 10 Nm |
| 6 - | Toothed belt |
| q | Before removing, mark direction of rotation with chalk or felt-tipped pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage. |
| q | Check for wear |
| q | Do not kink |
| q | Removing → Chapter |
| q | Installing (adjusting valve timing) → Anchor |
| q | Detaching from camshaft sprocket → Chapter |
| 7 - | 23 Nm |
| 8 - | 40 Nm |
| 9 - | Tensioning roller |
| 10 - | 50 Nm + turn 90° further |
| q | Renew |
| q | Use counterhold tool -3036- when loosening and tightening |
| 11 - | Camshaft sprocket |
| q | Removing and installing → Chapter „Renewing exhaust camshaft oil seal“ |
| 12 - | Idler roller |
| 13 - | 40 Nm |
| 14 - | 9 Nm |
| q | Apply locking fluid when fitting |
| q | Locking fluid → Parts catalogue |
| 15 - | Retaining plate for tensioning roller |
| 16 - | Retaining plate for idler roller |
| 17 - | 15 Nm |
| 18 - | O-ring |
| q | Renew |
| q | Lubricate with coolant prior to installing |
| 19 - | Coolant pump |
| q | Removing and installing → Chapter |
| 20 - | 15 Nm |
| 21 - | Crankshaft sprocket |
| q | Contact surface between sprocket and crankshaft must be free of oil |
| q | Can only be installed in one position |
| 22 - | 90 Nm + 90° (1/4 turn) further |
| q | Renew |
| q | Do not lubricate with oil |
| q | Use counterhold tool -3415- when loosening and tightening |
| 23 - | Idler roller |
| 24 - | 33 Nm |
