volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Determining thickness of shim > < Dismantling and assembling input shaft
Adjusting input shaft
Adjusting input shaft
(Determining input shaft shim)
   
Special tools and workshop equipment required
t  Universal dial gauge bracket -VW 387-
t  End dimension plate -VW 385/17-
t  Thrust pad -VW 510-
t  Thrust pad -VW 447 i-
t  Press tool -VW 407-
t  Torque wrench -V.A.G 1331-
t  Dial gauge

It is necessary to readjust the input shaft only when the following components are renewed:
t  Gearbox housing
t  Clutch housing
t  Input shaft
t  Gear wheel for 4th gear
or the
t  Tapered roller bearings
Adjustment overview → Chapter
Requirement:
l  Sealing surfaces of clutch and gearbox housings must be free of sealant.
   
–  Press tapered roller bearing outer race into gearbox housing to stop.
  V35-1117
–  Press tapered roller bearing outer race without shim into gearbox housing to stop.
–  Install input shaft in clutch housing and set gearbox housing in place. Tighten hexagon head bolts to 25 Nm and then turn 90° further.
  V35-1124
–  Fit measuring appliance and dial gauge in clutch housing.
–  Before taking any measurements, rotate input shaft to allow bearings to settle. Set dial gauge to “0” with 1 mm preload.
  Note
This step must be repeated for each subsequent measurement, or the dial gauge will not return to the starting position.
  V35-1126
–  Press input shaft in direction of dial gauge -direction of arrow-.
–  Read and note play on dial gauge (example: 1.21 mm).
  Note
Dial gauge does not return to original position.
  V35-1126

Determining thickness of shim > < Dismantling and assembling input shaft