volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Filter|Service and Repair > < Fuel Filter|Locations
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Fuel Filter: Testing and Inspection

1. Return line

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From Diesel injection pump

2. Supply line

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To Diesel injection pump

3. O-ring

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Replace

4. Control valve

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Installation position: arrow points towards fuel tank

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When changing filter, remove retaining clip and control valve complete with fuel lines

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Below + 15°C: Passageway to filter open

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Over + 31°C: Passageway to filter closed

5. Retaining clip
6. Return line

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To fuel tank

7. Supply line

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From fuel tank

8. Fuel filter

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Arrow marks direction of flow

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Do not interchange connections

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Replace if damaged

9. Gasket

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Replace if damaged

10. Water drain plug

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To bleed, remove mounting clip and control valve as an assembly (with fuel lines attached)

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Loosen and allow approx. 100 cc's fluid to drain

Fuel Filter|Service and Repair > < Fuel Filter|Locations