Golf Mk4
| Coolant hose schematic diagram |
| 1 - | Expansion tank |
| 2 - | Upper coolant pipe |
| 3 - | Throttle valve module -J338- |
| 4 - | Heat exchanger for heater unit |
| 5 - | Thermostat housing |
| 6 - | Lower coolant hose |
| 7 - | Upper coolant hose |
| 8 - | Radiator/cooler |
| 9 - | Oil cooler |
| 10 - | Non-return valve |
| 11 - | Continued coolant circulation pump -V51- |
| 12 - | Cylinder block |
| 13 - | Coolant pipe |
| q | Between coolant pump and thermostat housing |
| 14 - | Coolant pump |
| 15 - | Cylinder head |
| 16 - | Lower coolant pipe |
