Seat Leon >> Assembly overview - selector unit

Note

  • Lubricate bearing positions and sliding surfaces.
  • For grease allocation, refer to - Electronic parts catalogue (ETKA) .

Controls, housing

  1. - Shift collar
    • For the gear selection shaft
    • Press out
    • Press on
  2. - Selector shaft with cover
    • Renew together
    • Removing and installing
  3. - Angled rod
    • For adjusting selector mechanism
    • Removing
    • Press on
  4. - Gate relay lever
    • Installation position
  5. - Clip
  6. - Oil seal
    • Replace after removal
  7. - Cap
    • For gearbox breather
  8. - Gear selection rod
    • Illustration may deviate from genuine part
    • Position so that the teeth free area is inserted on the selector shaft
    • Can be replaced with the gearbox drive mechanism in place
    • Installation position
  9. - Hexagon nut
    • Self-locking
    • Must be renewed if removed
    • 23 Nm

Assembly overview - input shaft, output shafts, differential, selector rods

  1. - Differential:
    • Dismantling and assembling
  2. - Gearbox housing
    • Repairing
  3. - Oil drain plug
    • Tightening torque
  4. - Flanged shaft with pressure spring
    • Removing and installing
    • Assembling
  5. - Conical bolt
    • Tightening torque
  6. - Bolt
    • For securing the bearing mounting for input and output shafts.
    • Self-locking
    • Must be renewed if removed
    • 5 Nm and turn 90º further
  7. - Hexagon flange nut
    • For the gear selection mechanism.
    • Self-locking
    • Must be renewed if removed
    • 23 Nm
  8. - O ring
    • Must be renewed if removed
  9. - Bearing shaft
  10. - Bolt
    • Must be renewed if removed
    • 5 Nm and turn 90º further
  11. - Selector shaft with cover
    • (Selector unit)
    • Removing and installing
    • Repairing
  12. - Bolt
    • Must be renewed if removed
    • 5 Nm and turn 90º further
  13. - Bolt
    • 6 Nm
  14. - Gearbox neutral position sender - G701-
    • For vehicles with start stop system
  15. - Reversing light switch - F4-
    • Switch without sealing ring: if necessary clean thread of the switch
    • Switch without sealing ring: if necessary install with sealant
    • Allocate the sealant via the - Electronic parts catalogue (ETKA)
    • Switch with undetachable sealing ring: replace switch
    • Switch with separate seal: replace sealing ring
    • Lightly coat lug with MoS2 grease
    • Renewing with gearbox installed: removing noise insulation
    • 20 Nm
  16. - Oil seal
    • Not fitted in all gearboxes
    • Must be renewed if removed
  17. - Selector mechanism
    • (Gear change prongs)
    • Repairing
  18. - Input and secondary shafts with allotment/grooved ball bearings
    • If bearing mounting is separated from gearbox housing, then mounting must always be renewed.
    • Remove and press on bearing mounting
    • Disassembly and assembly of the input shaft
    • Dismantling and assembling output shaft
  19. - Reverse gear shaft
  20. - Reverse gear wheel
  21. - Bolt
    • Must be renewed if removed
    • To fasten reverse gear pinion axis
    • 25 Nm and turn 45º further
  22. - Oil collector
  23. - Magnet
  24. - Oil guide

Assembly overview - selector forks

Note It is not necessary to dismantle the selector fork group in order to dismantle and assemble selector segments, lock washers and angular contact ball bearings.

Controls, housing

  1. - Selector fork group with selector plate
  2. - 3rd/4th gear base strip
    • Identification
    • After installation, selector segment must still rotate freely
  3. - Ball bearing
    • 4x
    • Removing
    • Press inner race into outer race
    • Installing
  4. - Retainer
    • Must be renewed if removed
    • Removing
    • Installing
  5. - 1st/2nd gear selection group
    • Identification
    • After lock washer is installed, segment must still rotate freely
    • Selector fork with selector segment
  6. - 5th gear selector fork with selector segment
    • Selector segment is permanently connected to selector fork.
    • Identification
  7. - Bearing shaft
    • For 5th gear selector fork.
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