volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Installing > < Assembly sequence - Dismantling and assembling gearbox completely
Removing
Removing
–  Remove clutch release lever, release bearing and guide sleeve → Chapter.
l  Bearings of input shaft and output shaft must not be damaged when 5th gear is removed and installed.
   
l  Therefore, following tools must be mounted for support at this stage during attachment of gearbox to gearbox support -VW 353-:
Underneath input shaft:
t  Support bridge -30-211A-
t  Thrust piece -32 - 111-
t  Thrust piece -T10030/4-
–  Lock bolt of support bridge -30-211A- with nut -A-.
Underneath bearing support for output shaft:
t  Support device -T10323-
t  Assembly tool -3253/7-
t  Thrust piece -VW 433-
  N34-11254
–  Secure gearbox on gearbox support -VW 353-.
–  Place drip tray -V.A.G 1306- underneath.
–  Remove oil filler plug and oil drain plug.
–  Drain gear oil.
  V34-2001
–  Remove gearbox housing cover -arrow-.
  V34-2611
Remove selector fork for 5th gear as follows:
–  Cover openings with a cloth.
–  Move selector fork -1- to neutral position.
–  Remove bolt -2- with selector fork for 5th gear.
–  Then remove both bolts -arrows- for pivot pins.
–  Pull out pivot pins.
–  Remove selector fork.
–  Spring -3- and locking collar -4- do not need to be removed.
  N34-10313
–  Remove bolts -A- for synchro-hub and gear wheel for 5th gear. To do this, engage 5th gear -arrow 1- and 1st gear -arrows 2- and -3-.
–  After both gears are engaged, the input shaft and output shaft are locked. The synchro-hub and gear wheel cannot turn. Both bolts can now be loosened.
  Note
If shafts are not to be renewed, carefully clean residual locking material out of threaded holes using a thread chaser.
  N34-0927
–  Remove both bolts -arrows- for reverse shaft support bracket.
  V34-2007
–  Now remove 3rd bolt -arrow- for reverse shaft support bracket.
  N34-1792
–  Gearboxes for vehicles with start-stop system: remove gearbox neutral position sender -G701--arrow-.
  N34-11245
–  Remove selector shaft with selector mechanism cover, placing selector shaft in neutral position. Then remove bolts -arrows- and pull selector shaft out of gearbox housing.
  N34-0928
–  Remove cover plate -A- and pivot pins -B- from underside of gearbox.
  V34-2667
–  Remove pivot pins -A- on top side of gearbox and securing bolts -B- for gearbox housing to clutch housing in area of differential.
  V34-2615
–  Remove bolts -A- from clutch housing side for securing clutch housing to gearbox housing.
  Note
Do not remove nuts -B- for output shaft bearing support.
  N34-0060
–  Remove both flange shafts.
–  Remove flange shafts together with springs, thrust washers and tapered rings.
  V34-2737
Pull off following components together with gearbox housing:
t  Synchro-hub for 5th gear
t  Gear wheel for 5th gear
l  Both grips -T10408/3- must be secured on gear wheel for 5th gear.
l  The grips must always be positioned above the two housing ribs, which are located opposite each other -arrows-.
  Note
t  There is a needle bearing beneath the gear wheel for 5th gear.
t  Secure the grips so that the bearing does not come in contact with the gear wheel for 5th gear when the gearbox housing is pulled off.
  N34-11624
Use puller plate -T10408- in conjunction with following special tools:
t  Thrust pieces -T10408/2-
t  Grips -T10408/3-
t  Puller Kukko 18/1
–  Screw puller plate -T10408- firmly into threaded holes for gearbox housing cover.
A - Hexagon bolts M7 x 35 with washers
Torque setting 18 Nm
–  Place thrust pieces -T10408/2- on shafts.
  N34-11626
–  Install pullers Kukko 18/1-A-.
–  Pull off 5th gear synchro-hub, gear wheel for 5th gear and gearbox housing by alternately tightening spindles -A- approx.
1
2
turn.
–  If necessary, heat 5th gear wheel slightly using hot air blower -V.A.G 1416-, for example.
  N34-11266
–  Remove nuts -B- for output shaft bearing support.
  N34-0060
–  Remove selector forks -A- together with selector plates.
–  Unbolt reverse gear selector mechanism -B-.
  V34-2619
–  Remove reverse gear -A-, input shaft -B- and output shaft -C- one after the other from clutch housing.
Continuation for all
–  Remove differential.
  N34-1793

Installing > < Assembly sequence - Dismantling and assembling gearbox completely