Leon Mk2
| Diagram of coolant hose connections |
| 1 - | Expansion tank |
| q | With cap |
| q | Check the pressure relief valve in the plug using the cooling system tester -SAT 1274- and the adapter -VAG 1274/9- → Chapter |
| 2 - | Exhaust gas recirculation valve -N18- |
| q | Only engine code BLR and BVY |
| 3 - | Heat exchanger for heater |
| q | After renewing, renew entire coolant. |
| 4 - | Gearbox oil cooler |
| q | Only for vehicles with automatic gearbox |
| 5 - | Oil cooler |
| q | removing and installing → Chapter |
| 6 - | Throttle valve control mechanism -J338- |
| q | For engine code BVY and BVZ, without heating using coolant |
| 7 - | Radiator |
| q | removing and installing → Chapter |
| q | After renewing, renew entire coolant. |
| 8 - | Coolant distributor box with thermostat |
| q | For vehicles with engine code BLR and BLY, with Cooling system thermostat managed on the basis of a map of characteristics -F265- |
| q | component overview → Chapter |
| q | removing and installing → Chapter |
| q | check → Chapter |
| 9 - | Coolant pump |
| q | removing and installing → Chapter |
| 10 - | Cylinder head/cylinder block |
| q | After renewing, renew entire coolant. |
