Checking fuel filter — AUDI

🧭 Before you start

Fits: VW Caddy III (2K, 2004–2015); platform code 2C0

• Special tools named: VAS 6551/3, VAS 6551/4
• Renewed: fuel filter

🔧 Engine codes this applies to

📋 Procedure

1. ⚠ Read through the rules for cleanliness and the instructions for working on the fuel system .Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system.Wrap a clean cloth around the connection before opening the fuel system, then carefully loosen the connection to release the pressure. — Remove fuel supply line (3) on fuel filter.
2. Collect escaping fuel with a cleaning cloth.
3. Attach connection (A) of pressure testerVAS 6551 with line VAS 6551/3 to open end of fuel filter.
4. Attach connection (B) of pressure testerVAS 6551 together with line VAS 6551/4 to open line of high pressure pump.
5. Switch on pressure testerVAS 6551 by pressing On/Off push button.

6. Close shut-off tap (C) of pressure testerVAS 6551.
7. Carefully open shut-off valves (A) and (B).
8. Start engine.
9. Connect fuel supply line (3) to fuel filter again.
10. Remove fuel supply line (5) on fuel filter.
11. Collect escaping fuel with a cleaning cloth.
12. Attach connection (A) of pressure testerVAS 6551 with line VAS 6551/3 to open end of fuel filter.
13. Attach connection (B) of pressure testerVAS 6551 to open line of fuel tank using line VAS 6551/4.
14. Switch on pressure testerVAS 6551 by pressing On/Off push button.
15. Close shut-off tap (C) of pressure testerVAS 6551.
16. Carefully open shut-off valves (A) and (B).
17. Start engine.
18. Renew fuel filter.
19. Check fuel system pressurisation pump G6.

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