Fuel Delivery and Air Induction: Service and Repair

NOTE:
- Secure all hose connections using same type of clips as originally installed.
- VAG 1921 Pliers are recommended for installing spring clips.
- Always replace seals and gaskets.





1 - Fuel pump
- Removing and installing.
- Check Fuel Pump (FP) electrically Refer to "Fuel Pump, Electrical Testing" Testing and Inspection
- Checking residual pressure.
2 - Seal
- Always replace
- To install, place into opening of fuel tank when dry.
3 - Return line
- Blue
- From fuel rail
- Attaches to connection with "R" marking at connector flange
- To remove connector flange, press release button on connecting piece
4 - Supply line
- Black
- To fuel filter
- Attaches to connection with "V" marking at connector flange
- To remove from connector flange or from filter, press release button on connecting piece.
5 - 4 - pin harness connector
- For Fuel Pump (FP) and sender for fuel gauge - G -
6 - Union nut - 80 Nm
- Use ring nut spanner 3217 to remove and install
7 - Sender for fuel gauge -G -
- Checking resistance values.
- Removing and installing.