A4 Mk2
| Oil pump with balance shaft gear assembly - exploded view of components |
| 1 - | Chain sprocket cover |
| 2 - | Drive chain |
| q | Before removing, mark running direction (fitting position) with paint |
| 3 - | Dowel sleeves |
| 4 - | Oil pump with balance shaft gear assembly |
| q | Before installing, check that the two dowel sleeves for centralising are fitted |
| 5 - | 3 Nm |
| Install using locking fluid; for locking fluid refer to → Parts catalogue |
| 6 - | Cover |
| q | Prevents foam build-up in engine oil |
| 7 - | Oil pipe |
| q | With seal |
| 8 - | 9 Nm |
| 9 - | Suction pipe |
| q | Clean strainer if dirty |
| 10 - | 9 Nm |
| 11 - | O-ring |
| q | Renew |
| 12 - | 15 Nm + turn 15° further |
| q | Renew |
| q | Note different bolt lengths |
| 13 - | Dowel sleeves |
| 14 - | Outer rotor |
| q | Check contact surface for scores |
| q | Marking(s) must be visible |
| 15 - | Inner rotor |
| q | Check contact surface for scores |
| 16 - | Oil pump cover |
| 17 - | Chain sprocket |
| 18 - | 20 Nm + 90° |
| q | Renew |
| 19 - | Chain tensioner |
| q | With tensioning rail |
| q | Pre-tension → Fig. |
| 20 - | 15 Nm |
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