A3 Mk2
| High-pressure pump - exploded view |
| 1 - | Bracket for ancillaries |
| q | Removing and installing → Rep. gr.13 |
| 2 - | Bolt |
| q | 2x |
| q | Renew |
| q | 20 Nm + turn +180° further |
| 3 - | Hub |
| q | Use counterhold tool -T10051- to loosen and tighten |
| q | To remove, use puller -T40064- |
| 4 - | High-pressure pump sprocket |
| 5 - | Bolt |
| q | Renew |
| q | 3x |
| q | 20 Nm |
| 6 - | Nut |
| q | 95 Nm |
| 7 - | Bolt |
| q | Renew |
| q | 20 Nm + turn +45° further |
| 8 - | High-pressure fuel pump |
| q | After renewing, first fuel filling MUST be performed (it is important not to allow pump to run while it is still empty) → Chapter |
| q | After renewing high-pressure pump or fuel pressure regulating valve -N276-, learnt values must be re-adapted; see „Guided Functions“ in → Vehicle diagnostic tester |
| q | Removing and installing → Chapter |
| 9 - | High-pressure pipe |
| q | Between high-pressure pump and fuel rail |
| q | Do not alter shape |
| q | Check for damage before re-installing |
| q | Always renew high-pressure pipe when renewing high-pressure pump. |
| q | Removing and installing → Chapter |
| q | Lubricate threads of union nuts with clean engine oil |
| q | 25 Nm |
| 10 - | Fuel supply hose |
| 11 - | Fuel return hose |
