Fuel Tank
Fuel Tank
Special tools, testers and auxiliary items required
• Torque Wrench (5-50 Nm) (V.A.G 1331)
Removing
• The fuel tank may be a maximum of 1/4 full.
• Drain the fuel tank as necessary using the fuel extracting device (VAS 5190). Refer to => [ Fuel Tank, Draining ] Procedures.
• Read the safety precautions before starting. Refer to => [ Safety Precautions ] Fuel Supply.
• Pay attention to the rules of cleanliness. Refer to => [ Clean Working Conditions ] Fuel Supply.
- Turn off the ignition and all electric consumers and remove the key.
- Open the fuel filler flap and remove the fuel filler cap.
- Remove the bolt for the fuel flap unit and remove the fuel flap unit.
- Remove the rear bench seat.
- Remove the cover - 1 - from the fuel delivery unit. The arrow - 2 - points in the direction of travel.
- Disconnect the connector - arrow - from the fuel delivery unit.
- Remove the right rear wheel housing liner.
- Disconnect the connectors - 1 and 2 -.
- Remove the fuel filler pipe bolts - arrows -.
- Unclip the Antilock Brake System (ABS) line - A - from the bracket - arrows -.
- Remove the center muffler. It may be necessary to separate the center and rear mufflers beforehand. Refer to => [ Middle and Rear Mufflers, Separating and Connecting ] Middle and Rear Mufflers, Separating and Connecting.
The fuel system is under pressure!
• Always wear protective eyewear and protective clothing to prevent injuries and fuel from coming in contact with your skin.
• Before loosening line connections, place a cloth around the connection point. Then release pressure by carefully pulling off the line.
- Disconnect the ventilation line from the Evaporative Emission (EVAP) canister at the connection behind the fuel tank.
- Disconnect the white vent line - 1 -, black supply line - 2 - and green vacuum line for the leak detection pump (V144) - 3 - at the connecting point.
• Press in the securing rings to disengage the lines.
• For the continuing work sequence, a second mechanic is needed to support the fuel tank.
- Remove the tensioning strap bolts, the tank side bolts - arrows -, and the straps.
- Remove the fuel tank.
Installing
Installation is performed in the reverse order of removal. When doing this note the following:
• Only use bolts with loose washers to secure the fuel tank straps. The straps could twist when the bolts are tightened if other bolts are used.
• Make sure the vent and fuel lines are not kinked.
• Do not interchange the supply and return lines (the supply line is black, the return line is blue).
• Make sure the connector and the lines are secure. Pull on them if necessary.
• Check the fuel tank/body ground connection on the filler tube.
• After installing the fuel tank, check to be sure the lines are still clipped onto the fuel tank.
- Bleed the fuel supply system. Refer to => [ Fuel System, Bleeding ] Service and Repair.
Tightening Specifications