Removing and installing fuel filter (vehicles with engine codes AYH, BKW) — VW

🧭 Before you start

Fits: VW Touareg I (7L, 2002–2010)

• Special tools named: VAS 5226
• Renewed: seal between connection

Don't miss

• Pull off supply hose (3) (white marking) and return hose (2) (blue marking) from fuel filter.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Connect diesel extractorVAS 5226 to water drainage connection (arrow) of fuel filter.
2. Operate diesel extractor VAS 5226 until no more fuel comes out.
3. Remove both securing bolts (1) and remove connecting piece with fuel lines.
4. Pull off supply hose (3) (white marking) and return hose (2) (blue marking) from fuel filter.
5. Open sealing cap of coolant expansion tank.

6. Disconnect both coolant hoses (4) with hose clips up to Ø 25 mm3094.
7. Pull off coolant hoses and catch escaping coolant with cloth.
8. Remove both securing bolts (arrows) and pull fuel filter forward slightly.
9. Unclip lines on back of fuel filter.
10. Separate connectors for fuel composition sender G133 and remove fuel filter.
11. Renew seal between connection and fuel filter cover.
12. Tighten sealing plug for water drainage connection to 3 Nm. — 3 Nm (2.2 lb-ft)
13. Replenish coolant .

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