Seat Leon >> Assembly overview - input shaft
SEAT Leon Service and Repair Manual / 5-speed manual gearbox 0AH / Gears, shafts / Input shaft / Assembly overview - input shaft
Note
- When installing new sliding gears or a new input shaft, all details of the - Electronic parts catalogue ETKA and technical data must be observed.
- Install all bearings, synchromeshed gears and synchro-rings on input shaft with gear oil.
- Do not mix up synchromesh rings. If reused, always install with the original synchromeshed gear.

- - Securing ring
- Must be renewed if removed
- Determine thickness
- - Mobile sleeve with 5th gear
synchromesh
- Removing and installing
- Dismantling
- Assemble the mobile element / synchroniser body for 5th gear
- Installation position
- - Synchromesh ring of 5th
gear
- Check for wear
- - Synchromeshed gear for 5th gear
- - Needle roller bearing
- For 5th gear
- Replace along with the sleeve
- - Shift collar
- For 5th gear needle bearing
- Replace together with needle bearing
- Press off with bearing mounting with deep groove ball bearing
- Press on
- - Gearbox housing
- - Bearing mounting with grooved ball bearing
- Renew deep groove ball bearing only together with bearing mounting
- If bearing mounting is separated from gearbox housing, then mounting must always be renewed.
- Press out
- press on from
- - Input shaft
- - Needle roller bearing
- for 3rd gear
- - Synchromeshed gear for 3rd gear
- - Synchro ring 3rd gear
- Check for wear
- - Locking collar with synchro-hub of 3rd and 4th gear
- Press off with 3rd gear synchromeshed gear
- Dismantling
- Installation position of the locking collar/synchro-hub.
- Assembly
- Press on
- - Syncromesh ring for 4th gear
- Check for wear
- - Synchromeshed gear for 4th gear
- - Shift collar
- For 4th gear needle bearing
- Replace together with needle bearing
- Press out
- Press on
- - Needle roller bearing
- for 4th gear
- Replace along with the sleeve
- - Attack washer
- - Cylindrical roller bearing inner race
- Press out
- can also be removed
- Press on
- - Securing ring
- renew
- Determine thickness
- - Cylindrical roller bearing
- with circlip
- Pull out
- Press on
- Installation position: retaining ring in bearing faces input shaft.
- - Clutch housing or
- - Spring
- Installation position
- - 3rd and 4th gear locking collar
- - 3rd and 4th gear synchro-hub
- - Locking pieces (3 units)
- - Spring
- Installation position
- - Locking pieces (3 units)
- - Synchro-hub for 5th gear
- - Connection guide of 5th gear
- - Stop ring
- Prevents locking pieces from moving out
- Removing
- Installing
Input shaft
...
Disassembly and assembly of the input shaft
Special tools and workshop
equipment required
Tightening plate - VW 401-
Tightening plate - VW 402-
Die - VW 407-
Die - VW 412-
Tube element - VW 415 A-
Tube element - VW 422-
...
See also:
Checking vacuum system
Notes on checking vacuum system
The following instructions are intended to help you trace the causes
of faults quickly and effectively in the event of problems
involving the brake servo or in the e ...
