Leon Mk2
| Diagram of coolant hose connections |
| 1 - | Radiator |
| q | Renew coolant after replacing. |
| 2 - | Coolant circulation pump 2 -V178- |
| 3 - | Engine oil cooler |
| 4 - | 4/2-way valve with thermostat |
| q | Removing and installing → Chapter |
| 5 - | Coolant pump |
| 6 - | Cylinder head and cylinder block |
| q | Renew coolant after replacing. |
| 7 - | Coolant expansion tank |
| q | With cap |
| q | Testing pressure relief valve in filler cap → Chapter |
| 8 - | Exhaust gas recirculation cooler |
| q | Renew coolant after replacing. |
| 9 - | Auxiliary heater |
| 10 - | Circulation pump -V55- |
| 11 - | Heating heat exchanger |
| q | Renew coolant after replacing. |
| 12 - | Gearbox oil cooler |
| q | For double clutch gearbox. |
| q | Renew coolant after replacing. |
