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SEAT Workshop Service and Repair Manuals

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Assembly mountings > < Attaching engine to repair stand

Leon Mk1

Notes on installing
Notes on installing
Installation is carried out in reverse order. Note the following:
  Note
t  When fitting, replace the self-locking nuts and bolts.
t  Renew bolts which have a specified tightening angle, as well as seals and gaskets.
t  Secure all hose connections with the correct hose clips (same as original equipment) → Parts catalogue.
t  Clean input shaft splines and, for used clutch plates, hub splines; remove corrosion and apply a thin coat of grease → Parts Catalogue to the splines. Then move the clutch plate on the input shaft from side to side, until the hub moves smoothly on the shaft. Excess grease must be removed.
   
–  Check whether dowel sleeves for centring the engine/gearbox assembly are fitted in the cylinder block; install if necessary.
–  Check that the intermediate plate is held in the sealing flange and fitted on the centring bushes -arrows-.
–  Check clutch release bearing for wear and renew if necessary.
–  Lightly grease clutch release bearing, release bearing guide and splines on input shaft with G 000 100.
–  Bolt gearbox onto engine.
Tightening torques: → Manual gearbox; Rep. gr.34.
–  Align the engine using a shaking movement so that the supports are not under any tension.
–  When installing the »engine«, ensure that there is sufficient clearance to the subframe.
–  Adjusting assembly mountings → Chapter.
Vehicles with air conditioner
–  Fitting air conditioning compressor: → Heating, air conditioning; Rep. gr.87.
All other vehicles continued
–  Mount the particle filter → Chapter.
–  Electrical connections and routing → Electrical system; Rep. gr.97
–  Install the exhaust system and align free of stress → Chapter.
–  Fit the half-shafts, the transverse links and the coupling rod → Running gear, axles, steering; Rep. gr.40.
  A13-0682
–  Unscrew the heat protection plate -1- of the right cardan shaft, 35 Nm.
–  Fit poly V-belt → Chapter.
–  Electrical connections and routing → Current flow diagrams, Electrical fault finding and Fitting locations.
–  Install clutch slave cylinder → Rep. gr.30.
  WARNING
Do not press on the clutch pedal before fitting the slave cylinder.
–  Gear selection mechanism: attach and adjust on the gearbox → Rep. gr.34.
–  Place the lock carrier plate into service position → Bodywork, exterior fitting work; Rep. gr.50
–  Install air pipes → Chapter.
  N17-10184
–  Secure the pendulum support with the bolts -arrows- to the gearbox and subframe. Tightening torque → Fig.
–  Fill up with coolant → Chapter.
  Note
t  Specified torques for assembly mountings → Chapter
t  Renew self-locking nuts, seals, gaskets and securing clamps.
t  The further procedure must be followed in the specified sequence to ensure that the particulate filter is installed tension-free.
  Caution
Risk of damaging the decoupling element behind particulate filter:
t  Do not bend decoupling element more than 10°.
t  Install decoupling element so that it is not under tension.
t  Take care not to damage wire mesh on decoupling element.
–  Install battery and battery tray → Electrical system; Rep. gr.27.
–  Observe notes after connecting battery → Electrical system; Rep. gr.27.
  WARNING
Do not use a battery charger to start the engine! The control units of the vehicle may be damaged.
–  Filling fuel system → Chapter.
–  Carry out a vehicle system test → Vehicle diagnostic tester„Guided fault finding“.
–  Erase learnt values and adapt engine control unit -J623- to throttle valve module → Vehicle diagnostic tester„Guided functions“.
Note safety precautions applicable to a road test.
–  Perform road test.
–  Then carry out vehicle system test again, rectify any faults which may have occurred.
Tightening torques
  N10-10308
Bolt union Tightening torque
Bolts, nutsM610 Nm
 M715 Nm
 M820 Nm
 M10:40 Nm
 M1265 Nm 1)

1) Tightening torque for M12 collared bolts: 75 Nm
   

Assembly mountings > < Attaching engine to repair stand