Polo Mk4
| Cooling system hose connection diagram |
| 1 - | Radiator |
| 2 - | Oil radiator |
| 3 - | Thermostat valve for the cooling system |
| 4 - | Water pump |
| 5 - | Cylinder head/crankcase |
| 6 - | Coolant reservoir |
| 7 - | Intake manifold |
| 8 - | Throttle butterfly valve control unit -J338- |
| 9 - | Heat exchanger |
| 10 - | Heat exchanger connections |
| 11 - | Cooling system rigid tube |
