Leon Mk1
| Cooling system components, bodywork side - Assembly overview |
| 1 - | O-ring |
| q | Renew |
| 2 - | Upper coolant hose |
| q | Secured to radiator with retaining clips |
| q | Check firm seating |
| q | Coolant hose schematic diagram → Chapter |
| 3 - | Coolant hose |
| q | To preheat the crankshaft sump breather (location: In the intake manifold) |
Note| To remove the crankshaft sump breather preheating device, first dismount the intake manifold. |
| 4 - | Radiator |
| q | Removing and installing → Chapter |
| q | After replacing, renew coolant completely |
| 5 - | Radiator fan |
| q | This is mounted on the radiator with three bolts |
| 6 - | Connector |
| 7 - | Radiator fan thermoswitch -F18-, 35 Nm |
| q | For electric fan |
| Switching temperatures |
| q | 1ª speed engaged 92 - 97 °C, disengaged 84 - 91 °C |
| q | 2ª speed engaged 99 -105 °C, disengaged 91 -98 °C |
| 8 - | Goes to coolant pipe |
| q | Coolant hose schematic diagram → Chapter |
| 9 - | Expansion tank |
| q | Check the cooling system for leaks using the cooling system tester -V.A.G 1274- and the cooling system tester adaptor -V.A.G 1274/8- |
| 10 - | 10 Nm |
| 11 - | Plug |
| q | Check using the cooling system tester -V.A.G 1274- and the cooling system tester adaptor -V.A.G 1274/9- |
| q | Test pressure: 1.4 -1.6 bar. |
| 12 - | Lower coolant hose |
| q | Secured to radiator with retaining clips |
| q | Check firm seating |
| q | Coolant hose schematic diagram → Chapter |
| 13 - | Support |
| q | For radiator |
| q | Note the fitting position |
| q | Note various versions |
