Leon Mk1
| Diagram of coolant hose connections |
| 1 - | Expansion tank |
| 2 - | Coolant circulation pump -V50- |
| q | removing and installing → Chapter |
| 3 - | Coolant pump |
| 4 - | Intake manifold with charge air cooler |
| q | Removing and installing charge air cooler → Chapter |
| 5 - | Heat exchanger for heater |
| 6 - | Thermostat housing |
| 7 - | Non-return valve |
| 8 - | Restrictor |
| 9 - | Radiator/cooler |
| 10 - | Turbocharger |
| 11 - | Low-temperature cooler of the charge air system |
| Altea, Altea XL, Leon |
| q | Cooler and low-temperature cooler of the charge air system form one component |
| Ibiza |
| q | Radiator and charge air cooler are two separate components. |
| 12 - | Cylinder head/cylinder block |
| q | Fill new coolant after the replacement |
| 13 - | Engine oil cooler |
| 14 - | Non-return valve |
| 15 - | Auxiliary heater |
| q | Will not be fitted |
