Polo Mk4
| Coolant hose schematic diagram |
| 1 - | Expansion tank |
| 2 - | Coolant pipe |
| q | Bolted to camshaft housing. |
| 3 - | Heater unit heat exchanger |
| 4 - | Gearbox oil cooler |
| q | Only with automatic gearbox. |
| 5 - | Bottom coolant hose |
| 6 - | Radiator |
| 7 - | Top coolant hose |
| 8 - | Thermostat housing |
| 9 - | Coolant pipe |
| 10 - | Cylinder head/cylinder block |
| 11 - | Coolant pump |
| 12 - | Intake pipe |