A4 Mk2
| Sump (bottom section), sump (top section), oil pump, oil cooler - exploded view of components |
Note| Oil spray jet for piston cooling → Fig.. |
| 1 - | 9 Nm |
| q | Bolt or nut (depending on version) |
| q | Apply locking fluid when installing; refer to → Electronic parts catalogue |
| 2 - | Oil level and oil temperature sender -G266- |
| 3 - | Oil drain plug, 30 Nm |
| 4 - | 9 Nm |
| 5 - | Baffle plate (bottom) |
| 6 - | 16 Nm |
| q | Tighten in stages and in diagonal sequence |
| 7 - | Sump (top section) |
| q | Removing and installing → Chapter |
| 8 - | O-ring |
| q | Renew |
| 9 - | 9 Nm |
| q | Apply locking fluid when installing; refer to → Electronic parts catalogue |
| 10 - | Baffle plate (top) |
| 11 - | Seal |
| q | Renew |
| 12 - | Gasket |
| q | Renew |
| 13 - | 9 Nm |
| 14 - | Oil cooler |
| q | See note → |
| q | Removing and installing → Chapter |
| q | With oil cooler bypass valve |
| 15 - | 9 Nm |
| 16 - | Oil pump drive shaft |
| 17 - | Compression spring |
| 18 - | Bearing bracket |
| 19 - | 9 Nm |
| 20 - | Chain sprocket for oil pump |
| q | Can only be fitted in one position on drive shaft |
| 21 - | 30 Nm + 90° (1/4 turn) further |
| q | Renew |
| q | To loosen, use pin wrench -3212- to counterhold chain sprocket |
| 22 - | O-ring |
| q | Renew |
| 23 - | O-rings |
| q | Renew |
| 24 - | 20 Nm |
| 25 - | Oil pump |
| q | Do not dismantle |
| q | With pressure relief valve for cold condition (11 bar) and pressure control valve (4.3 bar) |
| q | Removing and installing → Chapter |
| 26 - | Bolt |
| Sump (bottom section), aluminium version: |
| q | 9 Nm |
| q | Tighten in stages and in diagonal sequence |
| Sump (bottom section), sheet-metal version: |
| q | Renew |
| q | 5 Nm + 90° (1/4 turn) further |
| q | Tighten in stages and in diagonal sequence |
| 27 - | Sump (bottom section) |
| q | Different versions available → Electronic parts catalogue |
| q | Removing and installing → Chapter |
| 28 - | Seal |
| q | Renew |
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