A3 Mk2
| Poly V-belt drive for vehicles with air conditioner compressor and tensioner - exploded view |
| 1 - | Poly V-belt |
| q | Check for wear |
| q | Before removing, mark direction of rotation with chalk or felt-tip pen |
| q | Removing and installing: vehicles with tensioner → Chapter, vehicles without tensioner → Chapter. |
| q | Do not kink |
| q | When installing, make sure it is properly seated on pulleys. |
| 2 - | Poly V-belt tensioner |
| q | Removing and installing → Chapter |
| q | Not installed on vehicles without air conditioner (equipment version) |
| 3 - | Vibration damper |
| q | With poly V-belt pulley |
| q | Installation position: hole in vibration damper must be positioned over raised section of crankshaft sprocket |
| q | Removing and installing → Chapter |
| 4 - | Bolt |
| q | Renew |
| q | Use only genuine bolts → Electronic parts catalogue |
| q | 10 Nm + turn 90° further |
| 5 - | Bolt |
| q | Tightening torque → Electrical system; Rep. gr.27 |
| 6 - | Dowel sleeve |
| q | Ensure correct seating in bracket for ancillaries |
| 7 - | Bolt |
| q | Tightening torque → Rep. gr.23 |
| 8 - | Bolt |
| q | Tightening torque → Item |
| 9 - | Idler roller |
| q | For toothed belt |
| 10 - | Bolt |
| q | Tightening torque → Item |
| 11 - | Idler roller |
| q | For toothed belt |
| 12 - | Bracket for ancillaries |
| q | Removing and installing → Chapter |
| 13 - | High-pressure pump |
| q | Removing and installing → Rep. gr.23 |
| 14 - | Bolt |
| q | Renew |
| q | 20 Nm + turn 180° further |
| 15 - | Bolt |
| q | Tightening torque and sequence → Fig. |
| 16 - | Alternator |
| q | Removing and installing → Electrical system; Rep. gr.27 |
| 17 - | Bolt |
| q | Tightening torque → Electrical system; Rep. gr.27 |
| 18 - | Air conditioner compressor |
| q | Removing and installing → Rep. gr.87 |
| 19 - | Bolt |
| q | Tightening torque → Rep. gr.87 |
| 20 - | Dowel sleeve |
| q | Ensure correct seating in bracket |
Note
| Stage | Bolts | Tightening torque/angle specification |
| 1. | -1 … 6- | Screw in bolts by hand until they make contact |
| 2. | -1 … 6- | 40 Nm |
| 3. | -3- and -6- | turn 45° further |
| 4. | -1, 2, 4, 5- | turn 90° further |
