Octavia Mk1
| Parts of cooling system engine side - Engines with identification characters AVU, BFQ |
| 1 - | Top coolant pipe |
| q | clipped in on the partition panel |
| 2 - | from cylinder head vent pipe |
| 3 - | to the heating valve |
| 4 - | from heat exchanger |
| q | connection diagram for coolant hoses → Chapter |
| 5 - | towards top radiator |
| 6 - | ATF radiator |
| q | only on vehicles with automatic gearbox |
| 7 - | "T" union |
| q | only on vehicles with automatic gearbox |
| 8 - | Engine oil cooler |
| 9 - | 10 Nm |
| 10 - | Coolant pipe |
| 11 - | O-ring |
| q | replace |
| 12 - | Toothed belt |
| q | before removing mark running direction |
| q | check for wear |
| q | do not kink |
| q | removing → Chapter |
| q | installing and tensioning → Chapter |
| 13 - | Coolant pump |
| q | check smooth operation |
| q | replace completely if damaged or leaking |
| q | removing and installing → Chapter |
| 14 - | 10 Nm |
| 15 - | Expansion reservoir |
| 16 - | O-ring |
| q | replace if damaged |
| 17 - | Screw cap |
| 18 - | Throttle valve control unit |
| q | warmed up through coolant |
| 19 - | Coolant regulator housing |
| q | disassembling and assembling → Chapter |
| 20 - | from bottom of radiator |
| q | connection diagram for coolant hoses → Chapter |