TorqFix

Emptying fuel tank with fuel pump intact, vehicles with four-wheel drive — VW

Emptying fuel tank with fuel pump intact, vehicles with four-wheel drive on VW: 19 steps, engines CHHB, CJSA, CJSC, CJXA.

Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.

19 steps 6 engine codes

🧭 Before you start

Fits: VW Passat B8 (3G, 2014–)

  • Special tools named: V.A.G 1348/3

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  • This step serves only to have the fuel pump running when the engine is stopped.

🔧 Engine codes this applies to

📋 Procedure

  1. Observe safety instructions .
  2. Observe rules for cleanliness .
  3. Pull off fuel supply line (1). Separate plug-in connectors .
  4. Collect escaping fuel with a cleaning cloth.
  5. Connect fuel extractorVAS 5190 with adapter for fuel extractorVAS 5190 /3 to fuel supply line.
CHHB? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Secure earth wire of fuel extractor to a bare metal part of the body.
  2. Remove rear bench seat General body repairs, interior72Rear seat; Removing and installing bench seat / individual seats.
  3. Unclip cover (1) for flange at retaining tabs (arrows), using removal wedge3409.
  4. Unclip sealing grommet (1) downwards from cover (2).
  5. Push cover (2) back along wiring harness (3).
  6. Release and pull off connector (1) on sealing flange.
  7. Connect remote control for V.A.G 1348V.A.G 1348/3A with adapter cable V.A.G 1348/3-3 to contact (1) using an auxiliary cable from auxiliary measuring setV.A.G 1594C.
  8. Tape off connector contact of the adapter cable V.A.G 1348/3-3 with insulating tape (arrow) to prevent short circuit.
  9. Connect contact (2) to negative battery terminal (A) using a test lead from auxiliary measuring setV.A.G 1594C.
  10. Connect remote controlV.A.G 1348/3A to battery positive terminal clamp in engine compartment. [Note: This step serves only to have the fuel pump running when the engine is stopped.]
  11. Open tank flap unit (2).
  12. Clean area around fuel filler neck.
  13. Unscrew cap (1) for fuel filler neck.
  14. Operate remote controlV.A.G 1348/3A and shut-off tap on fuel extractorVAS 5190 until fuel tank is empty.

Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.