Operation CHARM: Car repair manuals for everyone.

Fuel Tank, Removing and Installing



FUEL TANK, REMOVING AND INSTALLING

Special tools, testers and auxiliary items required





> Engine/transmission jack V.A.G 1383 A





> Torque wrench VAG 1331

Note:
- The fuel tank must not be more than 1/2 full.
- Empty fuel tank if necessary using Fuel siphoning device VAS 5190 or FM3OOOGH Fuel Extractor.
- Observe safety precautions.

REMOVING

1. Open fuel filler door and remove fuel tank cap.
2. First, check whether a coded radio is installed. If necessary, obtain the antitheft coding.
3. Switch off ignition and all electrical consumers.
4. Disconnect battery Ground (GND) strap.
5. Remove luggage compartment floor covering.
6. Remove cover from fuel pump / fuel delivery unit.






7. Remove 4-pin connector - arrow - from flange on fuel tank.
8. Remove right rear wheelhouse liner.
9. Clean area surrounding fuel filler tube.
10. Remove bolts for fuel filler door unit and remove fuel filler door unit with rubber cap.
11. Remove securing bolt on filler neck.
12. Remove cover in front of rear axle.


CAUTION!

Fuel supply lines are under pressure! Before removing from hose connection wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.







13. Pull supply hose - 1 - from inlet to fuel filter.
14. Mark return hose - 2 - and breather hose - 3 - and separate at connecting point. Seal the lines so that the fuel system is not contaminated by dirt etc.
15. Remove cover from EVAP canister.






16. Disconnect vent lines at EVAP canister - arrows -.
17. Remove tensioning strap. While doing so, support fuel tank using engine/transmission jack V.A.G 1383 A.
18. Lower fuel tank.


INSTALLING

Installation is performed in reverse order of removal. Note the following:

- Make sure vent and fuel lines are not kinked when installed.
- Make sure fuel lines are securely fastened.
- Secure fuel hoses with spring-type clamps.
- Do not interchange supply and return hoses (supply hose with white lettering, return hose with blue lettering).

Note: After installing fuel tank, check that the supply, return and breather lines are still clipped onto the fuel tank.

- Check DTC memory of all control modules, repair all stored malfunctions, and erase DTC memory afterwards.
- After erasing DTC memory, readiness code must be generated again.