With Manufacturer's Scan Tool

Fuel delivery unit, removing and installing
Engines: AEG, APK, AQY, AVH, AZG BEJ, BER, BEV, BHP

Special tools and equipment





- 3217 Ring nut spanner





- V.A.G. 1332 Torque wrench (40 to 200 Nm)

Removing
Requirement
- Fuel tank must not be more than 1/2 full

Note:
^ Empty fuel tank with fuel extractor VAS 5190, if necessary
^ Note safety precautions before beginning work

WARNING:
^ The fuel system is under pressure! Before opening the system place a cloth around the connection. Then release the pressure by carefully loosening the connection.
^ Always wear eye protection and wear fuel resistant gloves when disconnecting system connections.

- Check whether a coded radio is installed. If so, obtain the anti-theft coding.
- With ignition switched off, disconnect battery ground (GND) strap.
- Fold rear seat bench forward.
- Remove cover from fuel delivery unit.





- Disconnect 4- pin connector as well as supply and return lines off flange (arrow).

Note: To do this, press on hose couplings.

- Seal the lines so that the fuel system is not contaminated by dirt etc.





- Disconnect 4- pin connector as well as supply and return lines off flange (arrow).
- Remove union nut with wrench 3217.
- Pull fuel delivery unit and seal out of the opening in fuel tank.

Note: If the delivery unit is to be replaced then drain old delivery unit before disposing.

Installing
- Installation of fuel delivery unit is carried out in reverse order.

Note:
^ Insert seal for flange or fuel delivery unit dry into opening of fuel tank.
^ Moisten seal with fuel only when installing flange or fuel deliver unit.
^ Take care not to bend the fuel gauge sensor when installing fuel delivery unit.





- Note installation position of fuel delivery unit flange.
- Mark on flange must align with mark on fuel tank (arrows).
- Make sure fuel hoses are tight.
- After installing fuel delivery unit, check that the supply, return and breather lines are still clipped onto fuel tank.
- Adapt (match) engine control module to throttle valve control module, Refer to Engine Control Module, Testing and Inspection, Procedures, Adapting Functions and Components.
Testing and Inspection

- Generate readiness code again if DTC memory has been erased or engine control module was disconnected from permanent positive, Refer to Engine Control Module, Testing and Inspection, Procedures, Adapting Functions and Components.
Testing and Inspection