Seat Leon >> Removing and installing subframe without steering box

SEAT Leon Service and Repair Manual / Running gear, axles, steering / Front suspension / Sub-frame / Removing and installing subframe without steering box

Special tools and workshop equipment required

  • Torque wrenches - V.A.G 1332-

Front suspension

  • Engine elevator - V.A.G 1383 A-

Front suspension

Removing

Note The subframe is removed together with the suspension links.

  • Remove front wheels.
  • Remove lower noise insulation .

For vehicles with natural gas engines

  • Detach natural gas line -1- from clip -arrow-.

Front suspension

Continuation for all models:

  • Detach exhaust system bracket from subframe -arrows-.

Front suspension

  • Remove bolts -1- for pendulum support.

Front suspension

  • Remove nuts -arrows- on both sides of vehicle.

Front suspension

  • Remove nut -1- from coupling rod -3- (left and right sides).
  • Pull out coupling rod -3- from anti-roll bar -2- on left and right side.

Front suspension

Vehicles with vehicle level senders

  • Disconnect connector -1- on front left vehicle level sender - G78- and/or front right vehicle level sender - G289- , as applicable.

Front suspension

Continuation for all models:

  • Pull wiring harness -3- clips -1- and -2- off subframe and steering box.

Front suspension

  • Remove bolts -1- for steering box.
  • Prise steering box out of dowel sleeves of subframe.

Front suspension

  • Position engine and gearbox jack - V.A.G 1383 A- -1- under subframe.
  • Fixing subframe and lowering approx. 10 cm.

Front suspension

  • Pull out spreader clip -arrow-.
  • Lower subframe with engine and gearbox jack - V.A.G 1383 A- .

Front suspension

  • Secure subframe on engine and gearbox jack - V.A.G 1383 A- .
  • Secure steering box to body.

Installing

Carry out installation in the reverse sequence, noting the following:

  • On vehicles with vehicle level sender, carry out basic settings for wheel damper electronics - Vehicle diagnostic tester

Front suspension

Specified torques

  • Bolts for pendulum support.
  •  Bolts for noise insulation.
  • Exhaust system to subframe.

If even when using locating pins - T10486/1- a crooked steering wheel is determined during the road test, carry out a wheel alignment check. In this case the wheel alignment test results must be archived in the vehicle files.

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    See also:

    Switching off the engine
    – Stopping the engine. – Turn the ignition key to position  fig. 115 0. After the engine is switched off the radiator fan may run on for up to 10 minutes, even if the ignition is switched ...