Removing and installing fuel tank, engine codes CBTA, CBUA — VW

🧭 Before you start

Fits: VW Golf VI (5K, 2008–2013)

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• For vehicles with auxiliary heater the metering pump V54 connector must be separated additionally.
• During the further procedure, a second mechanic is required to support the fuel tank.

🔧 Engine codes this applies to

📋 Procedure

1. Observe safety precautions (see the separate procedure).
2. Observe rules for cleanliness (see the separate procedure).
3. Remove wheel lock adapter from luggage compartment.
4. Open fuel tank flap and remove fuel tank cap.
5. Unscrew tank flap unit securing bolt and remove tank flap unit General body repairs, exterior 55. Tank flap unit.

6. Remove bench seat General body repairs, interior 72. Rear seats; Removing and installing bench seat.
7. Unclip cover (1) of fuel delivery unit. Arrow (2) points in direction of travel. [Note: For vehicles with auxiliary heater the metering pump V54 connector must be separated additionally.]
8. Detach connector (1) from fuel delivery unit.
9. Remove rear right wheel housing liner General body repairs, exterior 66. Wheel housing liner.
10. Disconnect connectors (1) and (2).
11. Unbolt filler neck from body (arrows).
12. Unclip ABS line (A) from retainer (arrows).
13. Remove exhaust system.
14. ⚠ Fuel supply lines are under pressure! Wear eye protection and protective gloves to avoid injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection. — Disconnect white breather line (1), black supply line (2) and green vacuum line for fuel system diagnostic pump V144(3) at connection. Separate push-on couplings (see the separate procedure). [Note: During the further procedure, a second mechanic is required to support the fuel tank.]
15. Remove securing strap and securing bolts (arrows).
16. Turn fuel tank out to side.
17. Note installation position of earth connection.
18. Check whether there are signs of oxidation on the earth wire of the connectors, remove if necessary.
19. ⚠ Risk of explosion due to electrostatic discharge. After installation, check electrical connection using an Ohmmeter. Check connection of metal ring on fuel filler neck by measuring between ring and a bare metal part of the body. Specification: approx. 0 ohm. — Fill fuel tank with at least 5 litres of fuel.
20. ⚠ Risk of explosion of fuel tank. If a new or completely empty fuel tank has been installed, it must be filled immediately with at least 5 litres of fuel. The fuel pump must not be allowed to run when the fuel tank is empty. — Bleed fuel system 23Fuel preparation, injection; Injection system; Filling/bleeding fuel system.
21. Connect battery Electrical system 27. Disconnecting and reconnecting battery.

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