Golf Mk5
| Parts of cooling system, engine side |

| 1 - | To top of expansion tank |
| q | Coolant hose schematic diagram → Chapter. |
| 2 - | Upper coolant pipe |
| q | Bolted to cylinder head cover |
| 3 - | To bypass flap |
| q | Coolant hose schematic diagram → Chapter. |
| 4 - | O-ring |
| q | Renew. |
| 5 - | Retaining clip |
| q | Check for secure seating. |
| 6 - | Coolant temperature sender -G62- |
| q | With coolant temperature display sender -G2- |
| 7 - | To exhaust gas recirculation cooler. |
| q | Coolant hose schematic diagram → Chapter. |
| 8 - | Connection |
| 9 - | 10 Nm |
| 10 - | To heat exchanger |
| q | Coolant hose schematic diagram → Chapter. |
| 11 - | 40 Nm |
| 12 - | T-piece |
| 13 - | To bypass flap |
| q | Coolant hose schematic diagram → Chapter. |
| 14 - | T-piece |
| 15 - | To top of radiator |
| q | Coolant hose schematic diagram → Chapter. |
| 16 - | 15 Nm |
| 17 - | To bottom of expansion tank |
| q | Coolant hose schematic diagram → Chapter. |
| 18 - | Coolant pipe |
| 19 - | To bottom of radiator |
| q | Coolant hose schematic diagram → Chapter. |
| 20 - | Connection |
| q | For thermostat. |
| 21 - | Thermostat |
| q | Removing and installing → Chapter |
| q | Observe installation position → Chapter, removing and installing thermostat. |
| q | Checking: heat thermostat in water. |
| q | Opening begins at approx. 85 °C. |
| q | Ends at approx. 105 °C. |
| q | Opening lift at least 7 mm. |
| 22 - | To heat exchanger |
| q | Coolant hose schematic diagram → Chapter |
| 23 - | Rear coolant pipe |
| 24 - | 10 Nm |
| 25 - | To auxiliary heater |
| q | Coolant hose schematic diagram → Chapter |
| 26 - | Coolant pipe |
| 27 - | To exhaust gas recirculation cooler. |
| q | Coolant hose schematic diagram → Chapter |
| 28 - | Engine oil cooler |
| q | Removing and installing → Chapter |
| 29 - | Coolant pump |
| q | Check for ease of movement. |
| q | Note installation position. |
| q | Removing and installing → Chapter |
