Golf Mk4
| Assembly overview |
| 1 - | 0.30 bar oil pressure switch -F1-, 25 Nm |
| q | Identification: green |
| q | Checking → Chapter. |
| q | If seal is leaking, nip open and renew. |
| 2 - | Connector |
| q | Engine codes BCA, BCB only |
| 3 - | 10 Nm |
| 4 - | Oil separator |
| q | Engine codes AHW, AKQ, APE, ATN, AUS, AXP, AZD only |
| 5 - | To air filter. |
| 6 - | 10 Nm |
| 7 - | Cap |
| q | Renew seal if damaged. |
| 8 - | Oil dipstick |
| q | The oil level must not be above the max. mark! |
| q | Markings → Fig.. |
| 9 - | Piston fitting tool |
| q | Pull out to extract oil. |
| 10 - | Guide tube |
| 11 - | Main drive toothed belt |
| q | Mark direction of rotation before removing. |
| q | Check for wear. |
| q | Do not kink. |
| q | Toothed belt routing → Fig.. |
| q | Removing, installing and tensioning → Chapter. |
| 12 - | Guide roller |
| 13 - | Oil filter |
| q | Attached to engine oil cooler on ATN, AUS, AZD, BCB |
| q | Loosen on hexagon. |
| q | Tighten by hand. |
| q | Observe installation instructions on oil filter. |
| 14 - | Oil pump |
| q | When installing, note drive on crankshaft → Item. |
| q | Must seat on dowel sleeves. |
| q | Removing and installing → Chapter |
| 15 - | 12 Nm |
| 16 - | Crankshaft toothed belt pulley |
| 17 - | Seal |
| q | Renew. → Chapter. |
| 18 - | Gasket |
| q | Renew. |
| q | Must seat on dowel sleeves. |
| 19 - | 20 Nm |
| 20 - | Gasket |
| q | Renew. |
| 21 - | Suction line |
| q | Clean strainer if soiled. |
| 22 - | Tensioning roller |
| q | Tensioning toothed belts → Chapter. |
| 23 - | Oil level and oil temperature sender -G266- |
| q | Checking: → Current flow diagrams, Electrical fault finding and Fitting locations. |
| 24 - | Seal |
| q | Renew. |
| 25 - | Oil sump |
| q | Removing and installing → Chapter |
| q | Clean sealing surface before fitting. |
| q | Install with silicone sealant D 176 404 A2 → Chapter. |
| 26 - | Oil drain plug, 30 Nm |
| q | With attached seal. |
| q | Renew. |
| 27 - | Securing bolts |
| q | Aluminium sump: 13 Nm |
| q | Loosen and tighten flywheel end bolts only with long-reach Allen key -T10058-. |
| 28 - | 45 Nm |
| 29 - | Follower |
| q | Coat with oil before installing oil pump. |
| 30 - | Seal |
| q | Renew if damaged. |
| 31 - | Oil separator |
| q | With heated vacuum valve. |
| q | Engine codes BCA, BCB only |
| 32 - | O-ring |
| q | Renew if damaged. |
| 33 - | To intake manifold. |
