Octavia Mk1
| Fuel tank with attached parts and fuel filter - Summary of components |
| 1 - | O-ring |
| q | replace |
| 2 - | Gravity valve |
| q | to remove, unclip valve and lift up and out of the filler neck |
| q | inspect valve for blockage |
| t | Valve in a vertical position: open |
| t | Valve tilted 45°: closed |
| 3 - | Vent line |
| q | to the activated charcoal filter system → Chapter |
| q | clipped in place at top of fuel tank |
| 4 - | Screw cap |
| 5 - | Sealing ring |
| q | replace if damaged |
| 6 - | Fixing screw |
| 7 - | Fuel tank lid unit |
| q | with rubber bowl |
| 8 - | Vent valve |
| q | to remove, unclip valve at side and take out of filler neck. |
| q | before installing, unscrew screw cap -Pos. 4- |
| q | check → Fig. |
| 9 - | Earth connection |
| q | check for firm seating |
| 10 - | 10 Nm |
| 11 - | Vent line |
| 12 - | Fuel tank |
| q | removing and installing → Chapter |
| 13 - | Circlip |
| 14 - | Heat shield |
| 15 - | 20 Nm + torque a further 90° (1/4 turn) |
| q | replace |
| 16 - | 2 Nm |
| 17 - | Cover |
| 18 - | Tensioning strap |
| q | pay attention to different lengths |
| 19 - | Feed line |
| q | black |
| q | to fuel rail |
| 20 - | Fuel filter |
| q | Fitting position: arrow points in direction of flow |
| 21 - | Retaining clip |
| q | for fuel filter |
| 22 - | Sealing ring |
| q | moisten with fuel before installing |
| q | replace if damaged |
| 23 - | Fuel delivery unit |
| q | removing and installing → Chapter |
| q | inspecting fuel pump → Chapter |
| q | removing and installing the sender for fuel gauge → Chapter |
| q | Test holding pressure → Chapter. |
| 24 - | Union nut, 80 Nm |
| q | use wrench for union nut -MP1-227 (3217)- for removing and installing |
| 25 - | Feed line |
| q | black |
| q | to fuel filter |
| q | runs to connection with marking „V“ at flange of fuel delivery unit |
| 26 - | Return-flow line |
| q | blue |
| q | from fuel rail |
| q | runs to connection with marking „R“ at flange of fuel delivery unit |
| 27 - | Overflow hose |
Note
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