seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Gearbox, shift actuation shaft, driveshaft, output shaft (pinion), differential and shift forks remove and install|Installation > < Gearbox, shift actuation shaft, driveshaft, output shaft (pinion), differential and shift forks remove and install
Removing
Removing
–  Fit the gearbox to installation stand → Chapter.
–  Mount gearbox on assembly stand → Chapter.
–  Fit tray -T20173- beneath gearbox.
–  Drain gearbox oil.
   
–  Turn out fixing screw for flanged shaft Screw these two screws in the flange and with a lever hold the shaft
–  Remove the flanged shaft with the compression spring, thrust washer and conic ring.
  V34-2737
–  Remove clutch release lever -A- with clutch release collar and guide sleeve .
–  Turn out fixing screw for flanged shaft Screw these two screws in the flange and with a lever hold the shaft
–  Remove the flanged shaft with the compression spring, thrust washer and conic ring.
  E34-10070
–  Unscrew-arrow- screws and cover for gearbox.
  E34-10071
–  Pull the bearing bolts -arrow-and remove circuit gear 5. -1-
–  Remove circlip -2- for synchronous 5th body Motion with the forceps -A-81124-.
–  Remove circlip -3- for synchronous 5th body Motion with the forceps -A-81124-.
–  Remove the 5th gear movable sleeve.
  E34-10072
–  Remove the hub and the 5th Synchro Ring gear Attach to the adapter -U-40100/1-synchronous ring, where the contact surface is greatest, see Figure
–  Remove the mobile 5th gear pinion and the needle bearing from the input shaft.
–  Remove 5th gear mesh from the secondary shaft.
  E34-0266
–  Extract the bolts -A- securing the allotment for the input and secondary shafts grooved bearings and the gearbox casing.
–  Remove the hexagonal nut -B- from the gearbox operation mechanism (attachment for the reverse gear).
–  Rotate the gearbox in the support tool -T20172/4A- so that the gearbox casing is facing upwards.
–  Unscrew the bolts securing the gearbox housing to the clutch housing.
–  Remove the gearbox casing, carefully levering it off and avoiding damage to the sealing surfaces.
  E34-10073
–  Remove the differential arrow -A- from the gearbox casing.
  E34-10080
–  Remove the selector shaft with its cover -A-. For this, put the selector into neutral: neutral Then remove the bolts -arrows- and take the selector shaft out of the gearbox casing.
–  Take the bearing bushes -B- out of the upper part of the gearbox.
–  Take out the reverse light switch -C-.
  E34-10074
–  Extract the bolt -A- securing the reverse gear shaft.
–  Take the bearing bushes -B- out of the lower part of the gearbox.
  Note
Do not remove the cover -arrows- to remove the gearbox.
  E34-10075
–  Release the input and secondary shafts along with the allotment, the prong operation mechanism and reverse gear mesh using the punch -T10085-.
  Note
t  Fit the gearbox casing onto the press plates so that the centring sockets are not damaged in any way.
t  When releasing components, ensure that they do not fall on the ground; a second mechanic is required.
–  Release the input and secondary axles from the allotment with the grooved ball bearings .
  E34-0271

Gearbox, shift actuation shaft, driveshaft, output shaft (pinion), differential and shift forks remove and install|Installation > < Gearbox, shift actuation shaft, driveshaft, output shaft (pinion), differential and shift forks remove and install