Leon Mk2
| Assembly overview - fuel tank |
| 1 - | Cap |
| 2 - | Seal |
| q | If damaged only renew together with cap. |
| 3 - | Retaining ring |
| 4 - | Rubber cup |
| 5 - | Gravity valve |
| q | To remove valve unclip upwards out of filler neck |
| q | Check valve for through-flow valve vertical: open, valve tilted 45°: closed |
| 6 - | O-ring |
| q | Renew if damaged |
| 7 - | Breather valve |
| q | Cannot be removed, renew only together with filler neck → Item |
| q | Checking → Fig.. |
| 8 - | Connector |
| q | 4-pin |
| 9 - | Union nut, 80 Nm |
| q | Remove and install using union nut tool -3217- |
| 10 - | Rubber bush |
| q | Renew if damaged |
| 11 - | Non-return valve |
| q | Check for ease of movement |
| 12 - | 10 Nm |
| 13 - | Filler neck |
| q | With expansion tank and breather valve |
| 14 - | Seal |
| q | Renew if damaged |
| 15 - | Retaining ring |
| 16 - | Breather line |
| 17 - | 25 Nm |
| 18 - | Fuel tank |
| q | When removing, support using engine and gearbox jack -V.A.G 1383 A- |
| q | To remove, drain fuel tank → Chapter. |
| 19 - | Securing strap |
| q | Note different lengths. |
| 20 - | Seal |
| q | When installing, fit dry in fuel tank opening |
| q | Renew if damaged |
| q | Moisten with fuel only when installing flange. |
| 21 - | Fuel delivery unit |
| q | With fuel gauge sender (G). |
| q | Clean strainer if soiled |
| q | Note installation position of flange on fuel tank → Fig.. |
| q | Removing and installing → Chapter. |
| q | To remove, drain fuel tank → Chapter. |
| q | Removing and installing fuel gauge sender → Chapter. |
| q | Checking fuel pump → Chapter. |
| 22 - | Supply line |
| q | To fuel filter. |
| q | Clipped onto fuel tank |
| q | Check for secure seating. |
| q | To pull off flange, press release button on connecting piece. |
| 23 - | Return line |
| q | From fuel cooler |
| q | Clipped onto fuel tank |
| q | Check for secure seating. |
| q | To pull off flange, press release button on connecting piece. |
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