Polo Mk4
| Assembly overview |
| 1 - | Upper toothed belt guard |
| 2 - | Main drive toothed belt |
| q | Check for wear. |
| q | Do not kink. |
| q | Removing, installing and tensioning → Chapter. |
| 3 - | Coupling drive toothed belt |
| q | Check for wear. |
| q | Do not kink. |
| q | Removing, installing and tensioning → Chapter. |
| 4 - | 10 Nm + 1/4 turn (90°) further |
| 5 - | Ignition wiring guide |
| q | Only engine codes AUA, AUB. |
| q | Engine codes BBY, BBZ, BKY with wiring guides for ignition coils with output stages. |
| q | Bolt to camshaft housing with 5 Nm torque. |
| 6 - | Connecting hose |
| q | Only engine codes BBY, BBZ, BKY. |
| 7 - | 10 Nm |
| 8 - | Non-return valve |
| q | Only engine codes BBY, BBZ, BKY. |
| 9 - | To air cleaner |
| q | Only engine codes BBY, BBZ, BKY. |
| 10 - | Camshaft housing |
| q | Removing and installing → Chapter. |
| q | Remove sealant remnants. |
| q | Carefully clean sealing surfaces. They must be oil and grease free. |
| q | Coat with AMV 188 003 A1 before fitting. |
| q | When installing, fit vertically from above onto studs and dowel pins. |
| 11 - | Bracket |
| 12 - | Dowel pins |
| 13 - | Roller rocker finger |
| q | Check roller bearing for ease of movement. |
| q | Oil contact surface. |
| q | When installing, secure to support element using securing clip. |
| 14 - | Support element |
| q | Do not interchange. |
| q | With hydraulic valve clearance compensation. |
| q | Oil contact surface. |
| 15 - | Cylinder head bolt |
| q | Renew. |
| q | Note installation instructions and sequence when loosening and tightening → Chapter. |
| 16 - | Cylinder head gasket |
| q | Renew. |
| q | Metal gasket. |
| q | After renewing, renew entire coolant. |
| 17 - | Cylinder head |
| q | Removing and installing → Chapter. |
| q | Check for distortion → Fig.. |
| q | Sealing surfaces to camshaft housing must be oil and grease free. |
| q | After renewing, renew entire coolant. |
| 18 - | Coupling drive tensioning roller |
| q | Checking → Chapter. |
| q | Tensioning toothed belts → Chapter. |
| 19 - | 20 Nm |
| 20 - | Rear toothed belt guard |
| 21 - | Lifting eye |
|
|
