4.2L FSI

Generator

Observe notes on contact corrosion. Refer to => [ Contact Corrosion ] Contact Corrosion.

Removing


Risk of destroying if the running direction of a used ribbed belt is reversed.

• Before removing ribbed belt, marking running direction with chalk or a felt-tip pen for reinstallation.

- With ignition switched off, disconnect battery ground wire. Refer to => [ Battery, Disconnecting and Connecting ] Battery, Disconnecting and Connecting.

- Remove the fan shroud.

- Remove the coolant fan (V51) if applicable.







- To release the tension on the ribbed belt, turn the tensioning element clockwise - arrow -.

- Remove the ribbed belt from the generator ribbed belt pulley and release the tension on the tensioning.

- Remove screws - 1 - and - 2 -.





- Remove the ribbed belt tensioner from the upper section of the oil pan.

- Remove the right front wheel.

- Remove the right front wheel housing liner.

- Remove the bolt - 1 - and nut - 3 -.





- Remove the right lock carrier brace - 2 -.

- Remove the secondary air injection hose - 1 - and free it up.





• Ignore items - 2 , 3 -.

- Remove the bolts - arrow -.





- Lay the bracket with the electrical wiring harness aside.

- Loosen the generator bolts - arrows - approximately 6 turns.





- Using a hammer, carefully hit bolt heads to loosen generator mount bushings.

- Remove the bolts completely.

- Disconnect the electrical connector - 1 -.





- Remove terminal 30/B+ - item 2 -.

- Remove the generator.

Installing

• Tightening specifications, refer to => [ Generator with Bushings Assembly Overview ] Generator With Bushings Assembly Overview.

Install in reverse order of removal, observing the following:

- Drive retaining bolt bushings back slightly for easier generator installation.

• Tight sleeves for generator mount must be made smooth-running, otherwise clamping force of sleeve is too little despite correct torque.

- Install the lock carrier right brace.

- Install the right front wheel housing liner.

- Install the ribbed belt tensioner.

- Mount the ribbed belt - 2 - over the ribbed belt pulley in the specified sequence.





1 Generator
3 Idler pulley
4 Vibration damper with ribbed belt pulley
5 Tension roller

• When installing the ribbed belt, make sure it is seated correctly on the belt pulley.

- Install the coolant fan (V51) if applicable.

- Install the fan shroud.

- Connect battery. Required actions => [ Connecting ] Battery, Disconnecting and Connecting.

- Start the engine and check the ribbed belt to make sure it is working correctly.