A3 Mk1
Dismantling and assembling input shaft |
Special tools and workshop equipment required |
t | Thrust plate -VW 401- |
t | Thrust plate -VW 402- |
t | Press tool -VW 407- |
t | Press tool -VW 412- |
t | Tube -VW 415 A- |
t | Tube -VW 422- |
t | Spacer sleeve -VW 472/2- |
t | Tube -VW 516- |
t | Extension -30 - 23- |
t | Drift sleeve -30 - 100- |
t | Thrust piece -T10080- |
t | Thrust piece -T10081- |
t | 2010 Tube |
t | Thrust block -T10083- |
t | Thrust plate -T10084 A- |
t | -1-Internal puller 30...37 mm, e.g. -Kukko 21/5- |
t | -4-Counter support, e.g. -Kukko 22/1- |
Note
t | Refer to technical data when installing new gears → Chapter. |
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 - | Circlip |
q | Always renew |
q | Determining thickness → Anchor |
2 - | Locking collar with synchronising hub for 5th gear |
q | Removing and installing → Chapter |
q | Dismantling → Fig. |
q | Assembling 5th gear locking collar/synchronising hub → Fig. → Fig. |
q | Installation position → Fig. |
3 - | 5th gear synchro-ring |
q | Checking for wear → Fig. |
4 - | 5th speed selector gear |
5 - | Needle bearing |
q | For 5th gear |
q | Renew together with → Item |
6 - | Sleeve |
q | For 5th gear needle bearing |
q | Renew together with → Item |
q | Press off with bearing mounting/grooved ball bearing → Fig.. |
q | Pressing on → Fig. |
7 - | Gearbox housing |
8 - | 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 → Fig. |
q | Pressing on → Fig. |
9 - | Input shaft |
10 - | Needle bearing |
q | For 3rd gear |
11 - | 3rd speed selector gear |
12 - | 3rd gear synchro-ring |
q | Checking for wear → Fig. |
13 - | 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. |
14 - | 4th gear synchro-ring |
q | Checking for wear → Fig. |
15 - | 4th speed selector gear |
16 - | 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. |
17 - | Needle bearing |
q | For 4th gear |
q | Renew together with → Item |
18 - | Thrust washer |
19 - | Inner race for roller bearing |
q | Pressing off → Fig. |
q | Pressing on → Fig. |
20 - | Circlip |
q | Renew |
q | Determining thickness → Fig. |
21 - | Roller bearing |
q | With circlip |
q | Pulling out → Fig. |
q | Pressing in → Fig. |
q | Installation position: Circlip in bearing faces towards input shaft |
22 - | Clutch housing |
23 - | Spring |
q | Installation position → Fig. |
24 - | Locking collar for 3rd and 4th gear |
25 - | Synchronising hub for 3rd and 4th gear |
26 - | Locking pieces (3x) |
27 - | Spring |
q | Installation position → Fig. |
28 - | Locking pieces (3x) |
29 - | 5th gear synchronising hub |
30 - | 5th gear locking collar |
31 - | Check ring |
q | Prevents locking pieces from moving out |
q | Removing → Fig. |
q | Installing → Fig. |
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Gap “a” | Installation depth | Wear limit |
3rd, 4th and 5th gear | 1.1 ... 1.7 mm | 0.5 mm |
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Note
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