Leon Mk2
| Assembly overview - parts of cooling system, engine side |
| 1 - | To exhaust gas recirculation cooler. |
| q | Coolant hose schematic diagram → Chapter. |
| 2 - | To auxiliary heater (if fitted) |
| q | Coolant hose schematic diagram → Chapter. |
| 3 - | From heat exchanger |
| q | Coolant hose schematic diagram → Chapter. |
| 4 - | To heat exchanger |
| q | Coolant hose schematic diagram → Chapter. |
| 5 - | From exhaust gas recirculation cooler |
| q | Coolant hose schematic diagram → Chapter. |
| 6 - | Continued coolant circulation pump -V51- |
| 7 - | From auxiliary heater (if fitted) |
| q | Coolant hose schematic diagram → Chapter. |
| 8 - | 15 Nm |
| 9 - | Connection |
| q | Fitted at cylinder block |
| 10 - | To cylinder head |
| 11 - | Expansion tank |
| q | Perform leak test of cooling system with cooling system tester -V.A.G 1274- and adapter -V.A.G 1274/8- → Chapter. |
| q | Observe markings → Chapter |
| 12 - | Seal |
| q | Observe installation position on cap |
| q | Renew if damaged. |
| 13 - | Cap |
| q | Check using cooling system tester -V.A.G 1274- and adapter -V.A.G 1274/9- → Chapter |
| 14 - | 10 Nm |
| 15 - | Coolant pipe |
| 16 - | O-ring |
| q | Renew if damaged. |
| 17 - | Upper coolant hose |
| q | Coolant hose schematic diagram → Chapter. |
| 18 - | Lower coolant hose |
| q | Coolant hose schematic diagram → Chapter. |
| 19 - | Connection |
| q | For thermostat. |
| 20 - | O-ring |
| q | Renew |
| 21 - | Thermostat |
| q | Removing and installing → Chapter. |
| q | Note installation position → Chapter. |
| q | Checking: heat thermostat in water. |
| q | Opening begins at approx. 87 °C. |
| q | Ends at approx. 102 °C. |
| q | Opening lift min. 7 mm. |
| 22 - | Oil cooler |
| 23 - | Coolant pump |
| q | Installed in cylinder block |
| q | Check for ease of movement. |
| q | Note installation position. |
| q | Removing and installing → Chapter. |
| 24 - | Seal |
| q | Renew |
| 25 - | Securing clip |
| q | Check for secure seating. |
| 26 - | Coolant temperature sender -G62- |
| q | If necessary, release pressure in cooling system before removing |
