Needle Bearing For Gear-2, Replacing

Needle Bearing For Gear-2, Replacing

Special tools and equipment





^ VW402 Thrust plate
^ VW408 A Punch
^ 2080 A Sleeve
^ VAG1416 Hot air blower

Removing
- Remove transfer gearbox.





- Remove bolt for rear drive flange (use pin to prevent flange from turning).





- Remove tensioning nut -A- from gear-2 shaft.
- Remove bolts (arrows).
- Remove guide plate -B- and disc -C-.





- Install counter-holder -A- onto internal puller -B- as shown and install onto gear-2 shaft.
A - Counter holder, e.g. 22/1 Kukko support
B - Internal puller, e.g. 21/2 Kukko extractor
- Support counter-holder -A- with VW402 thrust plate and tighten counter-holder using nut-1-.
- Pull out gear-2 and remove carefully upward.
- Remove securing ring for needle bearing.





- Slide internal puller -B- centering sleeve -2- approx. 4 mm in direction of arrow to allow internal puller hooks (grips) to open out sufficiently.

Note: The upper section of the illustration shows how the internal puller -B- hooks should be inserted in the needle bearing.

A - Counter holder, e.g. 22/1 Kukko support
B - Internal puller, e.g. 21/2 Kukko extractor
- Grasp upper lip of needle bearing -1- with internal puller-B- and tighten internal puller using nut.





- Install counter-holder -A- onto internal puller -B- as shown.
- Support counter-holder -A- with VW402 thrust plate and tighten counter-holder using nut -3-.
- Heat exterior of transfer gearbox, in area of bearing seat, quickly to approx. 80 to 100°C using hot air blower, e.g. VAG1416.
- Pull needle bearing out quickly.

Installing
Installation is the reverse of removal, when installing note the following:
- Check needle bearing seat in transfer housing for damage and rework if necessary.
- Heat exterior of transfer gearbox, in area of bearing seat, quickly to approx. 80 to 100°C using hot air blower, e.g. VAG1416.





- Place new bearing in position and install 2080 A sleeve onto needle bearing -1-.

Note: The sleeve must be placed centrally on the press piece.

- Drive needle bearing into transfer gearbox housing flush up to stop with VW408a punch.
- Install securing ring for needle bearing.
- Install gear-2 carefully.





- Install guide plate -B- and disc -C- and secure with bolts (arrows).
- Press tensioning nut -A- into gear-2 shaft.
- Install rear drive flange.
- Install transfer gearbox.





Tightening torques