Draining fuel tank with intact fuel pump: Audi A1 (CDLH)

🧭 Before you start

Fits: Audi A1 (8X, 2010–2018)

• Special tools named: VAS 5565

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• This step merely allows the fuel pump to run when the engine is stopped.

🔧 Engine codes this applies to

📋 Procedure

1. ⚠ Fuel supply line is pressurised. Wear safety goggles and protective clothing to avoid possible injury and skin contact. Before opening hose connections wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection. Connect earth wire of fuel extractor to earth. — Disconnect battery Electrical system 27. Battery; Disconnecting and connecting battery.
2. ⚠ To prevent irreparable damage to the electronic components when disconnecting the battery:Observe notes on procedure for disconnecting the battery. — Disconnect supply line (metal connection) (1). Use a cloth to catch escaping fuel. Disconnecting plug-in connectors
3. Connect fuel extractor VAS 5190 with adapter for fuel extractor VAS 5190 to fuel supply line.
4. ⚠ Secure earth wire of fuel extractor to a bare metal part on the body. — Remove seat bench or fold upwards General body repairs, interior 72. Rear seats; Removing and installing seat bench/individual seats.
5. If fitted, unfasten carpet and fold upwards.

6. Detach cover (right-side) with fuel pump control unit J538(2) from assembly opening above fuel delivery unit.
7. To do so, unclip cover (right-side) (1) at retainers (arrows) using removal wedge 3409.
8. Release connector (1) from flange (3) and disconnect.
9. Plug test instrument adapter/DSO (5-pin)VAS 5565 into connector and fuel delivery unit.
10. Connect remote control V.A.G 1348/3A to adapter VAS 5565 and battery positive (+). [Note: This step merely allows the fuel pump to run when the engine is stopped.]
11. Open flap for fuel filler neck.
12. Remove filler cap (arrow) from fuel filler neck.
13. Clean area around fuel filler neck.
14. Operate remote control V.A.G 1348/3A and cut-off valve on fuel extractor VAS 5190 until fuel tank is empty.

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