seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Disassembly and assembly of the input shaft > < Input shaft:
Assembly overview - input shaft
   
Assembly overview - input shaft
  Note
t  Whenever new pinions or a new input shaft are fitted, please consult the technical data and the → Electronic catalogue of spare parts„ETKA“.
t  Install all bearings, synchromeshed gears and synchro-rings on input shaft with gear oil.
t  Do not mix up synchromesh rings. If re-using, allocate them to corresponding mobile pinion.
1 - Bolt.
q   removing and fitting → Chapter
2 - Inner race of the cylindrical roller bearing
q   Mark before removal
q   Do not confuse with the inner ring of the layshaft roller bearing socket
q   These may be replaced individually
q   removing and fitting → Chapter
3 - Thrust washer
4 - Mobile pinion of 6th gear
5 - 6th gear synchro-ring
q   Check for wear → Fig.
6 - Needle bearing
q   For 6th gear
q   Replace along with → Item
7 - Thrust piece
q   For 6th gear needle bearing.
q   Replace along with → Item
q   removing and fitting → Chapter
8 - Locking collar with synchronising hub for 5th and 6th gear
q   Removing → Chapter
q   Fitting → Chapter
q   Dismantling → Fig.
q   Insert the unit comprising locking collar and synchromesh body of 5th / 6th gear → Fig. and → Fig..
q   Installation position → Fig.
9 - Synchromesh ring of 5th gear:
q   This will be damaged when the input shaft is removed
q   Always replace.
q   Check for wear → Fig.
10 - 5th speed selector gear
11 - Needle bearing
q   for 5th gear
q   Replace along with → Item
12 - Thrust piece
q   For 5th gear needle bearing
q   Replace along with → Item
q   Press off with bearing mounting with deep groove ball bearing → Fig.
q   Pressing in → Fig.
13 - Gearbox
q   Repairing → Chapter
14 - bearing mounting with grooved ball bearing
q   Always replace the bearings with the allotment
q   Replace the allotment whenever it detaches from the gearbox casing
q   Pressing off → Fig.
q   Pressing in → Fig.
15 - Input shaft:
q   Clean any traces of fixing agent from the threaded holes in the input shaft using a tap.
16 - Needle bearing
q   for 3rd gear
17 - Synchromeshed gear for 3rd gear
18 - Synchromesh ring of 3rd gear
q   Check for wear → Fig.
19 - Locking collar with synchro-hub for 3rd and 4th gears
q   Press off with 3rd gear synchromeshed gear → Fig.
q   Dismantling → Fig.
q   Installation position, locking collar and synchro-hub → Fig.
q   Assembling → Fig.
q   Pressing in → Fig.
20 - Thrust piece
q   For needle bearing for the 4th gear
q   Replace along with → Item
q   Press off with 3rd gear synchromeshed gear → Fig.
q   Pressing in → Fig.
21 - Needle bearing
q   for 4th gear
q   Replace along with → Item
22 - Syncromesh ring for 4th gear
q   Check for wear → Fig.
23 - Synchromeshed gear for 4th gear
24 - Thrust washer
25 - Inner race of the cylindrical roller bearing
q   Pressing off → Fig.
q   Pressing in → Fig.
26 - Circlip
q   replace
q   Determining thickness → Fig.
27 - Cylindrical roller bearing
q   With retaining ring
q   Remove → Fig.
q   Pressing in → Fig.
q   Installation position: the securing ring of the bearing must point to the input shaft
28 - clutch housing
q   Repairing → Chapter
29 - Spring
q   Installation position → Fig.
30 - Locking collar for 3rd and 4th gear
31 - Synchromesh body of 3rd and 4th gear
32 - Locking pieces (3 off)
33 - Spring
q   Installation position → Fig.
34 - Locking pieces (3 off)
35 - Synchronising hub for 5th and 6th gear
36 - Locking collar for 5th and 6th gear

   

Disassembly and assembly of the input shaft > < Input shaft: