A4 Mk2
| Sump, oil pump - exploded view |
| 1 - | 28 Nm |
| 2 - | Stop for torque reaction support |
| q | Illustration shows vehicle manufactured before 05.2003 |
| 3 - | Sump |
| q | With oil level and oil temperature sender -G266- |
| q | Removing and installing sump → Chapter |
| q | Removing and installing oil level and oil temperature sender -G266- → Chapter |
| 4 - | Oil pump |
| q | With pressure relief valve (12 bar) |
| q | Removing and installing → Chapter |
| q | Before installing, check that the two dowel sleeves -item 12- for centring oil pump/cylinder block are fitted. |
| q | Renew if running surfaces and gears are scored |
| q | Tightening torque for oil pump cover to oil pump housing: 10 Nm |
| 5 - | Chain sprocket for oil pump |
| q | Sprocket can only be fitted on oil pump shaft in one position. |
| 6 - | 20 Nm + turn 90° further |
| q | Renew |
| 7 - | Drive chain for oil pump |
| q | Mark direction of rotation before removing |
| q | Check for wear |
| 8 - | 15 Nm |
| 9 - | Sealing flange (front) |
| q | Install using sealant: vehicles up to 05.2003 → Chapter; vehicles from 06.2003 onwards → Chapter |
| q | Sealant → Electronic parts catalogue |
| q | Renewing crankshaft oil seal on pulley end → Chapter |
| 10 - | Chain tensioner |
| q | Tighten to 16 Nm |
| q | Do not dismantle |
| q | Renew only as complete unit |
| q | Note installation position |
| q | When installing, pre-tension spring and engage |
| 11 - | Drive chain sprocket for oil pump |
| q | Removing and installing → Chapter |
| 12 - | Dowel sleeves |
| q | 2x |
| 13 - | O-ring |
| q | Renew |
| 14 - | 16 Nm |
| 15 - | Suction pipe |
| q | Clean strainer if dirty |
| 16 - | Baffle plate |
| 17 - | 16 Nm |
| 18 - | 15 Nm |
| q | Tighten in stages and in diagonal sequence |
| q | Observe correct tightening sequence → Anchor |
| 19 - | 40 Nm |
| 20 - | Seal |
| q | Renew |
| 21 - | Oil drain plug, 30 Nm |
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