seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Final drive, differential, differential lock > < Drive shaft (drive pinion), disassembly and assembly
Disassembly and assembly of the input shaft
Disassembly and assembly of the input shaft
  Note
Removing and installing 3rd to 6th speed selector gears is described in chapter on dismantling and assembling gearbox → Chapter.
Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter
Special tools and workshop equipment required
t  Calibre
   
Detaching needle roller bearing from input shaft and fitting needle roller bearing onto input shaft
Detaching needle roller bearing:
–  Bend open needle roller bearing at separating point -arrow B- far enough for it to be detached from input shaft (do not bend open more than necessary).
Fitting needle roller bearing:
l  The shoulder -arrow A- faces towards splines for 2nd gear.
–  Only bend open needle roller bearing at separating point -arrow B- far enough for it to be guided over the input shaft and onto its seat -arrow C-.
  A35-10029
Inserting spring in selector gear
The bent end of the spring -arrow- must be hooked into the hole in the selector gear.
  V35-1036
Check the wear of the synchromesh ring
–  Press synchro-ring into locking collar and measure gap -a- at positions -A-, -B- and -C- using feeler gauge.
–  Add the measured values and divide by 3.
l  The determined value should not exceed 0.45 mm.
  V35-1037
Installation position of circlips
t  The circlips -1- and -2- secure the input shaft ball bearing.
  WARNING
Determining thickness → Chapter.
t  The circlip -3- secures the needle bearing for 3rd speed selector gear and the 3rd and 4th gear synchronising hub.
Thickness: 2.00 mm.
t  The circlip -4- secures the 3rd and 4th gear synchronising hub.
  WARNING
Determining thickness → Fig..
  A35-10027
Determining thickness of circlip for synchronising hub for 3rd and 4th gear
l  Press synchronising hub onto stop.
–  Determine the thickest circlip that will just fit and install it. For Part No. refer to → Spare parts catalogue.
The following retaining rings are available:
  V35-1347
Retaining ring thickness (mm)
1,901,962,02
1,931,992,05

   

Final drive, differential, differential lock > < Drive shaft (drive pinion), disassembly and assembly