A3 Mk2
| Exploded view - input shaft |
Note| t | Dismantling and assembling input shaft → Chapter |
| t | When fitting new gear wheels or input shaft refer to technical data → Chapter and → Electronic parts catalogue. |
| t | Lubricate all bearings, selector gears and synchro-rings on input shaft with gear oil before installing. |
| t | Do not interchange synchro-rings. When re-using synchro-rings, always fit on the same selector gear. |
| 1 - | Bolt |
| q | Removing and installing → Chapter |
| 2 - | Roller bearing inner race |
| q | With thrust washer → Item (one component) → Chapter |
| q | Mark before removing |
| q | Do not interchange with roller bearing inner race for output shaft |
| q | Can be renewed individually |
| q | Removing and installing → Chapter |
| 3 - | Thrust washer |
| q | With roller bearing inner race → Item (one component) → Chapter |
| 4 - | 6th speed selector gear |
| 5 - | 6th gear synchro-ring |
| q | Checking for wear → Fig. |
| 6 - | Needle bearing |
| q | For 6th gear |
| q | Renew together with → Item |
| q | Two-piece → Chapter |
| 7 - | Sleeve |
| q | For 6th gear needle bearing |
| q | Renew together with → Item |
| q | Removing and installing → Chapter |
| 8 - | Locking collar with synchronising hub for 5th and 6th gear |
| q | Removing and installing → Chapter |
| q | Dismantling → Fig. |
| q | Assembling 5th/6th gear locking collar/synchronising hub → Fig. and → Fig. |
| q | Installation position → Fig. |
| 9 - | 5th gear synchro-ring |
| q | Will be damaged when removed from input shaft |
| q | Always renew |
| q | Checking for wear → Fig. |
| 10 - | 5th speed selector gear |
| 11 - | Needle bearing |
| q | For 5th gear |
| q | Renew together with → Item |
| 12 - | Sleeve |
| q | For 5th gear needle bearing |
| q | Renew together with → Item |
| q | Press off with bearing mounting/grooved ball bearing → Item |
| q | Pressing on → Fig. |
| 13 - | Gearbox housing |
| q | Servicing → Chapter |
| 14 - | Bearing mounting with grooved ball bearings |
| q | Only renew grooved ball bearings together with bearing mounting. |
| q | If bearing mounting is separated from gearbox housing, it must always be renewed |
| q | Pressing off with 5th gear wheel → Fig. |
| q | Pressing on → Fig. |
| 15 - | Input shaft |
| q | Clean residual locking compound out of tapped hole in input shaft using a thread tap. |
| 16 - | Needle bearing |
| q | For 3rd gear |
| 17 - | 3rd speed selector gear |
| 18 - | 3rd gear synchro-ring |
| q | Checking for wear → Fig. |
| 19 - | Locking collar with synchronising hub for 3rd and 4th gear |
| q | Press off with 3rd speed selector gear → Fig. |
| q | Dismantling → Fig. |
| q | Installation position: Locking collar/synchronising hub → Fig. |
| q | Assembling → Fig. |
| q | Pressing on → Fig. |
| 20 - | Sleeve |
| q | For 4th gear needle bearing |
| q | Renew together with → Item |
| q | Press off with 3rd speed selector gear → Fig. |
| q | Pressing on → Fig. |
| 21 - | Needle bearing |
| q | For 4th gear |
| q | Renew together with → Item |
| 22 - | 4th gear synchro-ring |
| q | Checking for wear → Fig. |
| 23 - | 4th speed selector gear |
| 24 - | Thrust washer |
| 25 - | Roller bearing inner race |
| q | Pressing off → Fig. |
| q | Pressing on → Fig. |
| 26 - | Circlip |
| q | Renew |
| q | Determining thickness → Fig. |
| 27 - | Roller bearing |
| q | With circlip |
| q | Pulling out → Fig. |
| q | Pressing in → Fig. |
| q | Installation position: Circlip in bearing faces towards input shaft |
| 28 - | Clutch housing |
| q | Servicing → Chapter |
| 29 - | Spring |
| q | Installation position → Fig. |
| 30 - | Locking collar for 3rd and 4th gear |
| 31 - | Synchronising hub for 3rd and 4th gear |
| 32 - | Locking pieces (3x) |
| 33 - | Spring |
| q | Installation position → Fig. |
| 34 - | Locking pieces (3x) |
| 35 - | Synchronising hub for 5th and 6th gear |
| 36 - | Locking collar for 5th and 6th gear |
