seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Determining the correct secondary shaft shim > < Secondary shaft for 1st to 4th gear: Assemble gearboxes manufactured from week 22/10

Leon Mk2

Secondary shaft for 1st to 4th gear: adjustment
   
Secondary shaft for 1st to 4th gear: adjustment
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
t  Torque wrench kit -SAT 8010-, see equivalent → Anchor
t  Socket -T20020 -, see equivalent → Anchor
t  Extractor kit -T20140 -, see equivalent → Anchor
t  Kit (case) -U-40200A -, see equivalent → Anchor

The secondary shaft should always be readjusted when any of the following components have been changed:
t  Gearbox
t  clutch housing
t  Output shaft for 1st - 4th gear
t  Tapered roller bearing
Adjustment overview → Chapter.
l  The gearbox is secured on the assembly stand
l  The sealing surfaces of both the gearbox and the clutch housings should be free of sealant
l  To carry out the measurement, only fit the shaft to be measured
l  Pull the tapered roller bearing out of the gearbox housing. → Fig.
   
–  Insert the roller bearing outer ring with a 1.70 mm shim into the gearbox housing; to do this support the housing by fitting the kit -U-40200A- underneath the bearing allotment.
–  Mount the secondary shaft for the 1st to 4th gears completely on the clutch housing.
  E35-0108
–  Attach the gearbox case and tighten the screws -A- Tightening torque → Item Tighten the securing bolts -B- Tightening torque → Item
  N34-0992
–  Fit the support -T20020- and measurement tools securing them to the clutch housing with the bolt -arrow-.
–  Put the dial gauge (3 mm range) to „0“ with a pretension of 1 mm.
–  Loosen, diagonally, the bolts securing the clutch housing to the gearbox until the gearbox housing or the secondary shaft may be lifted.
–  Read the value indicated by the dial gauge and note it (in the example: 0.14 mm).
  Note
When loosening the bolts securing the clutch housing to the gearbox, no value is indicated on the dial gauge, the shim of 1.95 mm or that of 2.20 mm must be fitted to make the measurement.
  E35-10018

Determining the correct secondary shaft shim > < Secondary shaft for 1st to 4th gear: Assemble gearboxes manufactured from week 22/10