Leon Mk1
| Diagram of coolant hose connections |
| 1 - | Radiator |
| q | Removing and fitting → Chapter |
| q | If replaced, new coolant must be used. |
| 2 - | Oil cooler |
| q | Removing and fitting → Chapter |
| q | If replaced, new coolant must be used. |
| 3 - | Coolant thermostat: |
| q | Removing and fitting → Chapter |
| q | check → Chapter |
| 4 - | Coolant pump |
| q | Removing and fitting → Chapter |
| 5 - | Cylinder head/cylinder block |
| q | If replaced, new coolant must be used. |
| 6 - | Expansion reservoir |
| q | With cap |
| q | Testing pressure relief valve in cap → Anchor |
| 7 - | exhaust gas recirculation radiator |
| q | Removing and fitting → Chapter |
| q | If replaced, new coolant must be used. |
| 8 - | Heat exchanger |
| q | If replaced, new coolant must be used. |
