A4 Mk2
| Sump, oil pump, balance shaft assembly with chain drive - exploded view |
| 1 - | Sump |
| q | Removing and installing → Chapter |
| 2 - | 23 Nm |
| 3 - | Torque reaction support |
| 4 - | 10 Nm |
| 5 - | Intake connecting pipe |
| q | Clean strainer if dirty |
| 6 - | 10 Nm |
| 7 - | O-ring |
| q | Renew |
| 8 - | Oil pump |
| q | Removing and installing → Chapter |
| q | Before installing, check that the two dowel sleeves for centring oil pump are fitted onto balance shaft assembly. |
| 9 - | Oil pump drive shaft |
| 10 - | Circlip |
| q | Must fit securely in groove |
| q | Renew circlip if damaged or stretched |
| 11 - | Chain sprocket for balance shaft assembly |
| 12 - | 10 Nm + 90° (1/4 turn) further |
| q | Renew |
| q | Tighten with chain tensioner released |
| 13 - | Chain sprocket cover |
| 14 - | 5 Nm |
| q | Apply locking fluid when installing; refer to → Electronic parts catalogue |
| 15 - | 9 Nm |
| q | Observe correct tightening sequence → Chapter |
| 16 - | Fitted bolt, 20 Nm |
| q | Part of chain tensioner |
| q | Observe correct tightening sequence → Chapter |
| 17 - | Chain tensioner |
| q | Do not dismantle |
| q | Removing and installing → Chapter |
| 18 - | Drive chain for balance shaft assembly |
| q | Mark direction of rotation before removing |
| q | Check for wear |
| q | Removing and installing → Chapter |
| 19 - | Drive chain sprocket for balance shaft assembly |
| q | Converting balance shaft assembly to spur gear drive → Chapter |
| 20 - | Balance shaft assembly |
| q | Removing and installing → Chapter |
| q | Before installing, check that the two dowel sleeves for centring balance shaft assembly are fitted onto cylinder block. |
| 21 - | M7 = 13 Nm + 90° (1/4 turn) further; M8 = 20 Nm + 90° (1/4 turn) further |
| q | Renew |
| q | Observe correct tightening sequence → Chapter |
| 22 - | Oil intake pipe |
| 23 - | 10 Nm |
| 24 - | 40 Nm |
| q | Observe correct tightening sequence → Anchor |
| 25 - | 45 Nm |
| q | Observe correct tightening sequence |
| 26 - | 15 Nm |
| q | Tighten in stages and in diagonal sequence |
| q | Observe correct tightening sequence |
| 27 - | Seal |
| q | Renew |
| 28 - | Oil drain plug, 30 Nm |
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