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

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

NOTE:
- The generator ribbed belt pulley with freewheel has been developed because of difficulties encountered with ribbed belts on vehicles with diesel engines.
- Freewheel pulley can be retrofitted in vehicles with a Bosch generator.
- Freewheel pulley can not be retrofitted in vehicles with a Valeo generator. Valeo generators must be replaced for a Bosch generator.

Special tools and equipment







- VAG1332 torque wrench (40 - 200 Nm) or equivalent
- Box wrench 17 mm
- Hex bit socket 6 mm







- Multi-point socket 3400

Removing
The torque wrench must be rearranged before removing the freewheel pulley as follows:







- Release socket drive -1- and pull off grip -2-.
- Turn torque wrench grip -2- 180 degree and reinsert socket drive.
- Set wrench direction of turn on socket drive to clockwise.
- Remove protective cap from pulley.
- Place 6 mm hex bit socket into generator shaft.







- Counter hold multi-point socket 3400 with 17 mm box wrench.
- Insert torque wrench into hex bit socket, loosen freewheel pulley by turning generator shaft clockwise.
- Remove freewheel pulley after loosening.

Installing
- Insert multi-point socket 3400 in freewheel pulley.
- Screw freewheel pulley by hand onto generator drive shaft until stop is reached.

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







- Release socket drive -1- and pull off grip -2-.
- Turn torque wrench grip -2- 180 degree and reinsert socket drive.
- Set wrench direction of turn on socket drive to counter-clockwise.
- Set torque wrench tightening torque to 80 Nm (59 ft lb).
- Place 6 mm hex bit socket into generator shaft.







- Counter-hold multi-point socket 3400 with 17 mm box wrench.
- Tighten freewheel pulley to 80 Nm (59 ft lb) by turning generator drive shaft counter-clockwise with torque wrench.
- Clip protective cap onto freewheel pulley.