Fuel Tank
Special tools and workshop equipment required
- Torque Wrench 1331 5-50Nm VAG 1331
- Engine/Gearbox Jack VAG 1383A
- Observe the safety precautions when working on the fuel supply system. Refer to SAFETY PRECAUTIONS .
- Observe the rules for cleanliness. Refer to CLEAN WORKING CONDITIONS .
Always follow these instructions before and during work.
Conditions
- The fuel tank may be a maximum of 1/4 full.
Removing
Drain the fuel tank if necessary using the Fuel Extracting Device. Refer to FUEL TANK, DRAINING .
Electronic components could be destroyed when the battery is disconnected:
- Follow the required steps when disconnecting the battery.
-- Turn off the ignition and disconnect the ground cable -arrow- from the battery. Refer to Removal and Installation .
-- Clean the surrounding area around the fuel filler tube.
-- Open the fuel tank flap and remove the fuel tank cap.
-- Remove the bolt from the fuel filler door unit and then remove the fuel filler door unit. Refer to Removing .
-- Remove the right rear wheel housing liner. Refer to Removing .
-- Remove the fuel filler neck bolts -1-.
-- Disengage the wire -2- for the Anti-lock Brake System (ABS) speed sensor from the filler tube bracket.
-- Remove the rear seat bench. Refer to Removal and Installation .
-- Fold the carpet to the side or forward, as necessary.
-- Remove the cover -1- for the fuel delivery unit. The arrow -2- points in direction of travel.
-- Disconnect the connector -1- from the fuel delivery unit flange.
-- Remove the center muffler or the exhaust pipe. Refer to one of the following:
- Engine Code CBEA, refer to MUFFLER OVERVIEW .
- Engine Code CJAA, refer to MUFFLER OVERVIEW .
The front and rear mufflers may have to be separated first, refer to EXHAUST SYSTEM, SEPARATING AND CONNECTING .
- The fuel supply line is under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin.
- Before loosening line connections, place a cloth around the connection point. Then release pressure by carefully disconnecting the line.
-- Disconnect the black supply line -1- and the blue return line -2- between the fuel tank and body.
Press in the securing rings to disengage the fuel lines.
-- Seal the lines so that the fuel system is not contaminated by dirt or contaminants.
A second technician is required for the remainder of the procedure to help support the fuel tank.
-- Remove the securing strap bolts -arrows-. Support the fuel tank using the Engine/Gearbox Jack VAG 1383A while doing so
-- Slowly lower the fuel tank.
The fuel filler neck must be guided out from between the body and rear subframe. To do so, lift the fuel tank down from the Engine/Gearbox Jack VAG 1383A with the help of a second technician.
Installing
-- With the help of a second technician, guide the fuel filler neck in between the rear subframe and body. Then place the fuel tank onto the Engine/Gearbox Jack VAG 1383A.
-- Lift the fuel tank slowly up to its installed position and secure it with new bolts -arrows-. Tightening specification, refer to one of the following:
- Jetta from MY 2005 through 2010, Jetta Sport Wagon (US)/Jetta Wagon (Canada) for MY 2009 and Jetta Sport Wagon (US)/Golf Wagon (Canada) from MY 2010, refer to -item 7- in the .
- Jetta from MY 2011, refer to -item 8- in the FUEL TANK OVERVIEW .
Further installation is performed in reverse order. Note the following:
-- Tightening specifications, refer to one of the following:
Jetta from MY 2005 through 2010, Jetta Sport Wagon (US)/Jetta Wagon (Canada) for MY 2009 and Jetta Sport Wagon (US)/Golf Wagon (Canada) from MY 2010, refer to .
Jetta from MY 2011, refer to FUEL TANK OVERVIEW .
- Route the fuel lines free of kinks.
- Do not interchange the supply and return lines (the return line is blue, the supply line is black).
- Make sure the line connections are seated securely.
- Check the fuel tank/body ground connection on the filler neck to make sure it is seated securely, refer to one of the following:
- Jetta from MY 2005 through 2010, Jetta Sport Wagon (US)/Jetta Wagon (Canada) for MY 2009 and Jetta Sport Wagon (US)/Golf Wagon (Canada) from MY 2010, refer to -item 3- in the .
- Jetta from MY 2011, refer to -item 3- in the FUEL TANK OVERVIEW .
- After checking the installation of the fuel tank, make sure the fuel lines are still clipped to the tank.
-- Observe the notes after connecting the battery. Refer to Removal and Installation .