Fuel Filler Neck: Service and Repair

Removing And Installing Filler Neck

Tools

Tools:

Preliminary work
1. Place protective covers on the vehicle.
2. Remove right front wheel. Use special tool socket wrench insert P 300 to avoid damage to the rim.
3. Remove rear part of right front wheel housing line.

Removing filler neck

DANGER:
Risk of fire from escaping fuel.
- Danger of fatal injury and damage to property.
- Observe basic safety instructions when working on the fuel system.
- Secure working area.







1. Place a warning sign in a clearly visible position in the work area or on the vehicle.

Carrera 2:







2. Unscrew M6 fastening screw for securing filler neck to tank tray -Arrow- and remove cap -1-.







3. Pull off ground strap -2- and unclip sleeve for filler neck -3-. Unclip overflow hose on sleeve and pull sleeve out of the tank tray.

Carrera 4:

4. Open cap on the filler neck and remove it.







5. Unscrew M6 Torx screw for filler neck in wheel arch -1-. Pull off ground strap -2-, unclip sleeve for filler neck -3- and open rapid-action coupling -4-.
6. Turn filler neck clockwise and remove it slowly underneath the edge of the wing.

Installing filler neck

NOTE: Replace seal on filler neck.

1. Coat filler neck lightly with new engine oil in the assembly area in front of the seal.
2. Insert filler neck with new seal into the opening of the tank. Then turn the filler neck anti-clockwise into installation position.
3. Fit sleeve for filler neck and clip overflow hose onto the holder.
4. Attach ground strap and also connect the rapid-action coupling on the Carrera 4.
5. Secure the filler neck at the relevant pick-up point using an M6 fastening screw (see Installation). Tightening torque: 10 (7.5 ft.lb.) Nm.
6. Close the cap.

Subsequent work
1. Install wheel housing liner.
2. Mount front wheel. Use special tool socket wrench insert P 300 to avoid damage to the rim.
3. Remove protective covers.