Golf Mk5
| Coolant hose schematic diagram |
| 1 - | Expansion tank |
| 2 - | Cylinder head/cylinder block |
| 3 - | Intake manifold |
| 4 - | Exhaust gas recirculation cooler |
| 5 - | Heater unit heat exchanger |
| 6 - | Lower coolant pipe |
| 7 - | Oil cooler |
| q | For engine oil. |
| 8 - | Upper coolant hose |
| 9 - | Radiator |
| 10 - | Lower coolant hose |
| 11 - | Coolant pump and thermostat |
| 12 - | Upper coolant pipe |