Golf Mk4
| Parts of cooling system - body side |
Note| Coolant hose schematic diagram → Chapter |
| 1 - | Radiator |
| q | Remove and install → Chapter. |
| q | After renewing, renew entire coolant. |
| 2 - | O-ring |
| q | Renew. |
| 3 - | Top coolant hose |
| q | Secured to radiator by rapid action coupling. |
| q | Check for secure seating. |
| 4 - | Cowling |
| 5 - | 10 Nm |
| 6 - | Auxiliary fan |
| q | For vehicles with M equipment. |
| 7 - | Fan ring |
| 8 - | Securing clip |
| q | Check for secure seating. |
| 9 - | Connector |
| 10 - | Radiator fan |
| 11 - | To coolant pipe |
| 12 - | Expansion tank |
| q | Test for leaks in cooling system using cooling system tester -V.A.G 1274- and adapter for cooling system tester -V.A.G 1274/8-. |
| 13 - | Sealing cap |
| q | Check using cooling system tester -V.A.G 1274- and adapter for cooling system tester -V.A.G 1274/8-. |
| q | Pressure relief valve should open at between 1.4 and 1.6 bar. |
| 14 - | Bracket |
| q | For fan connector. |
| 15 - | Bottom coolant hose |
| q | Secured to radiator by rapid action coupling. |
| q | Check for secure seating. |
| 16 - | O-ring |
| q | Renew. |
| 17 - | Radiator fan thermal switch -F18-, 35 Nm |
| q | For electric fan. |
| q | Switching temperatures: |
| Stage 1 on: 92…97°C; off: 84…91°C |
| Stage 2 on: 99…105°C; off: 91…98°C |
| 18 - | Bracket |
| q | For radiator. |
| q | Note installation position. |
| q | Note different design. |
| 19 - | 10 Nm |
