volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Installing > < Dismantling and assembling procedure for gearboxes from gearbox date 19 05 3
Removing
Removing
   
Gearbox for vehicles with 5 and 6-cylinder engines
–  Secure gearbox to assembly stand using bolts -arrows-.
  N34-0994
Gearbox for vehicles with 4-cylinder engine
–  Secure gearbox to assembly stand using bolts -arrows-.
Continued for all gearboxes
–  Rotate gearbox on assembly stand so that oil drain plug is below.
–  Place drip tray underneath.
–  Drain gear oil from gearbox and bevel box.
  N34-1034
–  Remove right flange shaft bolt using socket -V.A.G 1669- or commercially available 6 mm socket.
  Note
Right flange shaft remains in bevel box.
–  Remove four bevel box/gearbox connecting bolts (only three shown in figure) -arrows-.
–  Press bevel box off gearbox.
  N34-1092
–  Remove slave cylinder with clutch release bearing -arrows-.
  N34-0995
Ensure that the selector shaft is not blocked by the angled rod -arrow-.
–  Move selector shaft to neutral.
–  Remove locking bolt -2-.
–  Then remove bolts -3-.
–  Pull selector shaft -4- out of gearbox housing.
–  Remove flange shaft and stub shaft.
  N34-10024
–  Remove bolts -B-, which secure gearbox housing to clutch housing.
  Note
One bolt -arrow- is located outside of bolting flange.
  N34-0997
–  Lock input shaft by setting installing sleeve -VW 455- over input shaft on clutch housing.
–  Clamp splitter-A-, e.g. -Kukko 17/0-, behind notch in splines of input shaft.
The back side of the splitter must rest against installing sleeve without play.
  N34-10025
–  Pierce rubber in centre of cover -C- with a screwdriver.
–  Pull sealing cover out of gearbox housing.
A - Counter support, e.g. -Kukko 22/1-
B - Internal puller, 8…12 mm, e.g. -Kukko 21/01-
  N34-10026
Remove retaining ring -C- from deep groove ball bearing of input shaft in gearbox housing as follows:
–  Hold one end of retaining ring with screwdriver-A-.
–  Using screwdriver-B-, lever other end out of groove in deep groove ball bearing -direction of arrow-.
–  Using screwdriver-B-, lever out securing ring further.
  N34-10027
–  If present, remove washer -1- from gearbox housing -2-.
l  If the gearbox housing is to be renewed, check whether the washer must be installed → Anchor.
  N34-10817
–  Remove securing bolts -A- for gearbox housing to clutch housing.
  N34-0923
–  Screw adapter VW 771/40 into threaded hole of gearbox housing.
–  Heat gearbox housing using e.g. hot air blower -V.A.G 1416- in vicinity of bearing seat for deep groove ball bearing for input shaft for about 10 minutes to about 100°C.
–  Using multi-purpose tool VW 771/1, pull gearbox housing off clutch housing in -direction of arrow-.
  Note
If necessary, carefully apply lever on alternating sides at overhanging housing shoulders along perimeter, being careful not to damage sealing surfaces.
  N34-10028
–  If present, remove washer -1- from deep groove ball bearing -2-.
–  If gearbox housing is to be renewed, check whether washer must be installed → Anchor.
  N34-10816
–  Remove splitter-A- and installing sleeve VW 455 from input shaft.
To remove shafts from clutch housing, a second mechanic is required.
  N34-10025
–  With left hand, raise differential -1-.
–  With right hand, lift input shaft for 1st to 4th gear together with selector rods -2--arrow A-.
–  At same time, second mechanic lifts input shaft, reverse shaft and output shaft for reverse, 5th and 6th gears -3- together with selector rods out of clutch housing -arrow B-.
  Note
After shafts are lifted, differential may be set back in clutch housing if desired.
–  Drive out input shaft oil seal using sleeve -30-21-.
  Note
Always renew deep groove ball bearing on input shaft → Item.
  N34-10029

Installing > < Dismantling and assembling procedure for gearboxes from gearbox date 19 05 3