Octavia Mk2
| Connection diagram for coolant hoses |
| Vehicles without auxiliary heating. |
| 1 - | Expansion reservoir |
| 2 - | Exhaust gas return valve -N18- |
| q | only for engine identification characters BLR, BLX, BVX, BVY |
| 3 - | Heat exchanger |
| 4 - | Gearbox oil cooler |
| q | only on vehicles with automatic gearbox |
| 5 - | Engine oil cooler |
| 6 - | Throttle valve control unit -J338- |
| q | only for engine identification characters BLR, BLX, BLY coolant-heated |
| 7 - | Intake manifold |
| 8 - | Radiator |
| 9 - | Coolant regulator housing |
| q | Engine identification characters BLR, BLX, BLY: with thermostat for map-controlled engine cooling -F265- → Chapter |
| q | Engine identification characters BVX, BVY, BVZ: with coolant regulator |
| 10 - | Coolant pump |
| q | removing and installing → Chapter |
| 11 - | Cylinder head/cylinder block |
| q | fill with fresh coolant after replacing |
| Vehicles with auxiliary heating. |
| 1 - | Radiator |
| 2 - | Auxiliary heating |
| 3 - | Coolant regulator housing |
| q | Engine identification characters BLR, BLX, BLY: with thermostat for map-controlled engine cooling -F265- → Chapter |
| q | Engine identification characters BVX, BVY, BVZ: with coolant regulator |
| 4 - | Coolant pump |
| 5 - | Cylinder head/cylinder block |
| 6 - | Expansion reservoir |
| 7 - | Exhaust gas return valve -N18- |
| q | only for engine identification characters BLR, BLX, BVX, BVY |
| 8 - | Non-return valve |
| q | integrated into the coolant hose |
| q | not always visible from the outside |
| 9 - | Heat exchanger |
| 10 - | Coolant shut-off valve of heating system -N279- |
| 11 - | Non-return valve |
| q | integrated into the coolant hose |
| q | not always visible from the outside |
| 12 - | Coolant hose |
| q | only on vehicles with automatic gearbox |
| 13 - | Gearbox oil cooler |
| q | only on vehicles with automatic gearbox |
| 14 - | Engine oil cooler |
| 15 - | Throttle valve control unit -J338- |
| q | only for engine identification characters BLR, BLX, BLY coolant-heated |
| 16 - | Intake manifold |
