seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Gear drive mechanism: repairing > < Mechanism for working the gearbox: repairing
Dismounting
Dismounting
–  Extract the cover from the engine.
  Note!
To carry out this work, it is necessary to remove the ground strip from the battery. For this purpose, you must check whether the vehicle has a coded radio on board, where appropriate you should consult anti-theft code.
–  With the ignition disconnected, release the ground strip from the battery.
–  Dismount the battery and its support.
   
–  Disconnect the cable for selection -A- and the gear connection cable from the gearbox -B- by levering out with a fixed key for 16 mm.
  N34-0860
–  Extract the cable holder for the gear connection in the gearbox -arrows- if necessary, first remove the flexible pressure tube from the hydraulic control system for the clutch.
  N34-1180
–  Extract the central nut from the counterweight -1- from the selection lever and remove it by uncoupling it from the shoe arrow -of the return lever -2-.
  E34-0213
–  Extract the clutch pump, from the gearbox casing, move it and attach it again.
  Note!
t  Do not work the clutch pedal during the repair work.
t  Do not open the brake pressure system.
  V34-2672
–  Uncouple the connector -arrow 1- from the starter.
–  Uncouple the connector for the reverse gear lights -arrow 2-.
–  Dismount the cables support A from the starter -arrow 3-.
–  Extract the upper attachment bolt from the starter.
  N34-1182
–  Uncouple the connector from the speedometer transmitter -arrow-.
–  Extract the upper bolts that hold down the engine.
  N34-1183
–  Uncouple the flexible tubes and cables that might remain in the area of the engine where the rings are located that are used to couple the hooks for the support device -U-30025-.
–  Couple up the support device -U-30025- and pre-tighten the engine drive unit using the screws.
–  Dismount the starter → Rep. Gr.27.
–  If it has one, dismount the heat insulation cover from the engine for the inner right homokinetic seal.
–  Turn the wheels to the left.
–  Uncouple the bearings from the flanged axles and attach them in such a way that they will remain as high as possible without damaging the protection for the surfaces.
  E34-0214
–  Extract the small protective plate -A- from the engine wheel located behind the right flanged axle -arrows- if it were assembled.
–  Remove the exhaust fume system through the double clip that is located behind the front exhaust pipe → Rep. Gr.26.
  V34-3005
–  Dismount the pendular support -arrows A- and -B-.
  N34-1186
–  Extract the support for holding the hexagonal bolts -arrow- from the left support for the engine drive unit.
–  Put the drive engine unit into a sloped position, to do so, lower it using the left screw from the tool -U-30025-.
  Note!
When lowering the engine drive unit, make sure that the oil sump is not resting on the unit holder.
  N34-1187
In this position, you must be able to gain access to the bolts -arrows- that attach the console to the gearbox -A-.
–  Dismount the console from the gearbox -arrows A-.
  N34-1188
–  Place the hydraulic jack for the steering column -SAT 1001- under the gearbox in such a way that the gearbox is held up.
–  Dismount the lower bolts for engine/gearbox connection.
–  With the help of another mechanic, separate the gearbox from the engine guide sleeves at the same time as it is moved forwards in order to make it easier to remove it. Move the gearbox until removing it from the engine and extract it from the vehicle without causing damage to any of the parts.
  Note!
When lowering the gearbox, take into account the piping on the servo-drive and gearbox support side as well as the piping for the cooling circuit on the upper part.
  E34-0045

Gear drive mechanism: repairing > < Mechanism for working the gearbox: repairing