Needle Bearing For Gear Wheel 2, Replacing

Needle bearing for gear wheel 2, replacing





- Observe general repair instructions.

Special tools and equipment
- VW402 Thrust plate
- VW408A Punch
- 2080A Sleeve
- VAG1416 Hot air blower

Removing
- Remove center differential.





- Undo rear flange shaft, secure flange shaft against turning when doing this.





- Pull tensioning nut -A- out from gear wheel-2 shaft.
- Remove bolts-arrows-.
- Remove guide plate -B- and disc -C-.





- Install counter-hold -A- onto internal puller -B- as shown and install onto gear wheel-2 shaft.
A - Counter support, e.g. Kukko 22/1
B - Internal puller, e.g. Kukko 21/2
- Support counter-hold -A- with VW402 Thrust plate and pretension counterhold using nut-1-.
- Pull out gear wheel and take out carefully upward.
- Remove securing ring for needle bearing.
- Slide internal puller -B- centering sleeve -2- approximately 4 mm in direction of arrow to allow internal puller hooks (grips) to open out sufficiently.
The top of the figure shows how the puller hooks of the internal puller -B- must be inserted into the needle bearing.
A - Counter support, e.g. Kukko 22/1
B - Internal puller, e.g. Kukko 21/2





- Grasp upper lip of needle bearing -1 with internal puller -B- and tension internal puller with nut.





- Install counter-hold -A- onto internal puller -B- as shown.
- Support counter-hold -A- with VW402 Thrust plate and pretension counterhold using nut-3-.
- Heat exterior of center differential, in area of bearing seat, quickly to approximately 80 to 100°C with a hot air blower, e.g. VAG1416.

WARNING! Wear protective gloves!

- Pull needle bearing out quickly.

Installing
Install in reverse order but note following:
- Check needle bearing seat in transfer housing for damage and rework if necessary.
- Heat exterior of center differential, in area of bearing seat, quickly to approximately 80 to 100°C with a hot air blower, e.g. VAG1416.

WARNING! Wear protective gloves!





- Place new bearing in position and install 2080A Sleeve onto needle bearing -1-.
Sleeve must be centered on needle bearing.
- Drive needle bearing into center differential housing flush onto stop with special tool VW408.
- Install securing ring for needle bearing.
- Insert gear wheel-2 carefully.





- Insert guide plate -B- and disc -C- and secure with bolts -arrows-.
- Press tensioning nut -A- into gear wheel 2 shaft.
- Install rear flange shaft.
- Install center differential.