Leon Mk1
| Diagram of coolant hose connections |
| 1 - | Expansion tank |
| q | With cap |
| q | Testing pressure relief valve in filler cap → Chapter |
| 2 - | Intake tube with heated throttle valve connection |
| 3 - | Heat exchanger for heater |
| q | Renew coolant after replacing. |
| 4 - | Evaporator |
| 5 - | Engine heating |
| q | Not with the version with Auto gas (LPG) |
| 6 - | Radiator |
| q | Removing and installing → Chapter |
| q | Renew coolant after replacing. |
| 7 - | Coolant pump and thermostat |
| q | Removing and installing coolant pump → Chapter. |
| q | Coolant thermostat: removing and fitting → Chapter |
| q | Checking: → Item |
| 8 - | Cylinder head/cylinder block |
| q | Renew coolant after replacing. |
