Golf Mk4
| Coolant hose schematic diagram |
| 1 - | Expansion tank |
| 2 - | Intake manifold |
| 3 - | Throttle valve control module |
| 4 - | Connection |
| 5 - | Heater unit heat exchanger |
| 6 - | Coolant pipe |
| 7 - | ATF cooler |
| q | Only vehicles with automatic gearbox. |
| 8 - | Upper coolant hose |
| 9 - | Lower coolant hose |
| 10 - | Radiator |
| 11 - | Oil cooler |
| 12 - | Coolant pump and thermostat |
| 13 - | Cylinder head/cylinder block |