SEAT Workshop Service and Repair Manuals

Removing –  Remove gearbox → Chapter. –  Attach the gearbox to the stand → Chapter. –  Rotate the gearbox on the assembly frame so that the oil plug bolt is downwards. –  Fit tray -T20173- beneath gearbox. –  Drain gearbox oil.

–  Screw out bolts -arrows-. –  Remove the slave cylinder with the collar -A-.

–  Extract input shaft seal by levering with extractor kit -T20143-.   Note Do not damage contact surface for input shaft seal.

–  Fill space between sealing lip and dustcap -arrow-, halfway, with sealing grease → Parts catalogue. –  Fit seal flush with installation tool -T20130-

–  Place the gearbox mechanism shaft in the neutral position; to do this release the locking pin -arrow-. –  Unscrew the locking pin -2-. –  Remove the hollow bolts -3-. –  Extract the selector shaft -4- from the gearbox housing.   Note Ignore -items. 1-. –  Remove the flanged shaft and insert shaft.

–  Unscrew the bolts -B- securing the gearbox housing from the clutch housing.   Note One of the bolts -arrow- is located off the flanged joint. This is fitted with a washer.

–  Pierce the rubber seal cover for the centre using a screwdriver. –  Remove the rubber seal cover from the gearbox using the extractor kit -T20140-.

–  Remove the securing ring -C- from the ball bearing of the input shaft as follows: –  Support one of the securing ring ends using a screwdriver -A-. –  Release the other end of the securing ring from the ball bearing groove -arrow- using a second screwdriver as a lever -B-. –  Continue to undo the securing ring with the screwdriver -B-.

–  Unscrew bolts -A-. –  Heat the gearbox casing, at the input shaft ball bearing allotment, using the hot air blower -SAT 1416- for about 10 minutes until a temperature of about 100 ºC.

–  Secure the retention tool -U 40007- for the input shaft to the gearbox housing.

–  Remove the gearbox casing from the clutch housing -arrow- using the tool -T20187-.   Note If necessary, apply an assembly lever carefully to the edges of the gearbox housing to undo it, changing from one side to another without causing damage to the sealing surfaces.   Note

To remove the shafts from the clutch housing, a second mechanic is required. –  Lift the differential gear -1- with the left hand. –  Use the right hand to lift the secondary shaft for the 1st to 4th gears along with the control rod -2-, -arrow A-. –  At the same time, the second mechanic must remove the primary, inverter and secondary shaft of the 5th/6th gears -3-, along with the control rods, out of the clutch housing -arrow B-.   Note In case of doubt, the differential may rest on the clutch housing after lifting the shafts. –  Release the input shaft oil seal → Chapter.