Draining fuel tank if more than 3/4 full - TFSI vehicles — AUDI

🧭 Before you start

Fits: Audi A4 B9 (8W, 2015–)

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• Shaft end (1) and tapered adapter (2) of fuel extractor VAS 5190A are not used.Slide shaft end (1) slightly towards rear on hoses.
• A flap (1) is located at the bottom of the filler neck (2) in the fuel tank; it must not be damaged by the extraction hose from VAS 5190A. Therefore, only push the hose in as far as the tape marking (arrow).
• Push extraction hose from VAS 5190A into fuel tank until marking on hose (arrow) is level with edge of filler neck.
• When no more fuel is extracted, the fuel tank has been drained enough for the flange to be opened safely.

🔧 Engine codes this applies to

📋 Procedure

1. Observe safety precautions .
2. Observe rules for cleanliness .
3. Switch off ignition.
4. Open tank flap.
5. Clean area around fuel filler neck.

6. Remove filler cap (arrow) for fuel filler neck. [Note: Shaft end (1) and tapered adapter (2) of fuel extractor VAS 5190A are not used.Slide shaft end (1) slightly towards rear on hoses.]
7. ⚠ Risk of explosion caused by electrostatic discharge.Secure earth wire of fuel extractor VAS 5190A to a bare metal part on the body. — Use insulating tape to mark the extraction hose (arrow) at a distance of (a) from the end of the hose. [Note: A flap (1) is located at the bottom of the filler neck (2) in the fuel tank; it must not be damaged by the extraction hose from VAS 5190A. Therefore, only push the hose in as far as the tape marking (arrow).]
8. Push extraction hose from VAS 5190A into fuel tank until marking on hose (arrow) is level with edge of filler neck.
9. Extract fuel from tank via fuel filler neck.
10. Pull out extraction hose carefully. [Note: When no more fuel is extracted, the fuel tank has been drained enough for the flange to be opened safely.]
11. Open flange Removing and installing fuel delivery unit/fuel gauge senders - TFSI vehicles.
12. Pull flange slightly out of opening in fuel tank.
13. Insert extraction hose of VAS 5190A into fuel tank between flanges.
14. Using fuel extractorVAS 5190A, extract fuel through opening.
15. Four-wheel drive vehicles: Extract fuel from both fuel tank chambers through opening using fuel extractorVAS 5190A.

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