Generator (GEN) Ribbed Belt Pulley With Freewheel, Removing and Installing

Ribbed Belt Pulley With Freewheel, Installing

NOTE:
- Ribbed belt pulley with freewheel may be retrofitted to Bosch generators on vehicles through 04.99 production.
- Ribbed belt pulley with freewheel may not retrofitted to Valeo generators on vehicles through 04.99 production (replace Valeo with Bosch generator and install freewheel pulley where necessary).
- Ribbed belt pulley with freewheel is installed as a running change on generators (regardless of supplier) from 05.99 production.

Special tools and auxiliary items needed







- VAG 1332 Torque wrench (40 - 200 Nm)







- 3400 Multi-tooth adapter
- 3410 10 mm socket

Installing
- If retrofitting pulley with freewheel, first remove existing ribbed belt pulley.
- Insert multi-spline adapter 3400 in freewheel disc.
- Screw freewheel disc by hand onto generator drive shaft onto stop.

The torque wrench must be rearranged before installing the freewheel disc as follows:







- Release socket drive -1- and pull off grip -2-.
- Turn torque wrench grip -2- through 180 degrees and reinsert socket drive.
- Set wrench direction of turn on socket drive to counter-clockwise.
- Set torque wrench tightening torque to 80 Nm.
- Fit 10 mm socket 3410 onto generator drive shaft.







- Tighten nut at pulley with wrench and adapter 3400 while counter-holding generator drive with socket 3410 as illustrated.
- Turn generator drive counter-clockwise and torque nut to 80 Nm.
- Clip protective cap onto freewheel disc.