Seat Leon >> Removing and installing suspension strut

Special tools and workshop equipment required

  • Torque wrenches - V.A.G 1332-
  • Spreader - 3424-
  • Engine elevator - V.A.G 1383 A-
  • Mounting - T10149-

Front suspension

Special tools and workshop equipment required

  • Puller - T10520-

Front suspension

Removing

  • Loosen drive shaft bolt at wheel hub
Caution

Wheel bearings must not be subjected to load after loosening bolt securing drive shaft at wheel hub.

If they have to support the weight of the vehicle they will be damages and their service life will be reduced.

It is not permissible to turn drive shaft bolt more than 90º anticlockwise if vehicle is standing on its wheels.

Do not attempt to move the vehicle without the drive shafts fitted; this would result in wheel bearing damage. If it is necessary for a vehicle to be moved, please comply with the following instructions:

  • Install an outer joint instead of the drive shaft.
  • Tighten outer joint to 120 Nm.
  • Remove front wheels.
  • Unscrew nut -arrow- and pull coupling rod -1- out from suspension strut.
  • Detach wire for ABS speed sensor from suspension strut.

Front suspension

Vehicles with vehicle level senders

  • Remove nut -1-.
  • Pull bracket -2- for front left vehicle level sender - G78- and/or for front right vehicle level sender - G289- out of suspension link -3-, as applicable

Front suspension

Continuation for all models:

  • Unscrew nuts -arrows-.
  • Pull wheel bearing housing with swivel joint out of suspension link.
  • Pull outer joint of drive shaft out of wheel hub.

If the drive shaft cannot be pulled out of the wheel bearing by hand, use press tool - T10520- .

Front suspension

Before using press tool - T10520- ensure that thrust piece -1- is inserted.

Front suspension

Using press tool - T10520- :

  • To be able to press out the drive shaft -3-, secure press tool - T10520- -1- to the wheel hub -2- using 3 wheel bolts.

Front suspension

  • It is essential to follow specified sequence.

I - Tighten knurled nut -1- hand-tight.
II - Turn only bolt -2- using a spanner in order to press out drive shaft with press tool - T10520- .

Note At the end of the procedure or for pressing out drive shaft further the spindle must be moved to its original position in order to deploy the hydraulic force!

Front suspension

  • Secure drive shaft to body with wire.
Caution

Do not let the drive shaft hang down under its own weight, as otherwise excessive bending could damage the inner CV joint.

Vehicles with adaptive chassis control DCC

  • Disconnect connector -1- on shock absorber -2-.

Note If there is moisture in the area of the connector, blow compressed air on the contacts on the shock absorber and the connector.

Front suspension

Continuation for all models:

  • Insert a screwdriver -1- into brake disc between brake caliper and brake carrier.
  • Secure engine and gearbox jack - V.A.G 1383 A- with support - T10149- -2- to wheel hub using a wheel bolt.
WARNING
  • Do not raise or lower vehicle while engine and gearbox jack - V.A.G 1383 A- is positioned under the vehicle. The vehicle could slip of the platform.
  • Do not leave engine and gearbox jack - V.A.G 1383 Aunder vehicle for longer than necessary.

Front suspension

  • Separate the threaded steering knuckle/suspension strut union -arrow-.

Front suspension

  • Fit Separator device - 3424- in the steering knuckle groove

Note Make sure that the spreader - 3424- is only inserted into the wheel bearing housing. Insert sufficiently to ensure that the metal tab of the suspension strut is not damaged.

Front suspension

  • Turn ratchet handle through 90º and detach from spreader - 3424- .
  • Press brake disc towards suspension strut by hand.

Otherwise the shock absorber tube can cant in the bore of the wheel bearing housing.

  • Lower the wheel bearing housing -1- with the engine and gearbox jack - V.A.G 1383 A- in -direction of arrow-.
  • Lower wheel bearing housing -1- until shock absorber is hanging free -arrow-.
  • Bolt swivel joint to suspension link again and tighten wheel bearing housing to subframe.
  • Pull engine and gearbox jack - V.A.G 1383 A- out from under support - T10149- .
WARNING
  • Do not leave engine and gearbox jack - V.A.G 1383 Aunder vehicle for longer than necessary.

Front suspension

  • Pull seal off entire length of plenum chamber cover.
  • Unclip the filler piece.
  • Unhook the clips -2-.
  • Lift plenum chamber cover -1- not more than 60 mm.

a - 60 mm

Front suspension

  • Unscrew bolts -1- for upper shock absorber mounting and take out suspension strut.

Installing

Front suspension

  • Position suspension strut so that the arrow -1- is always on the inner side.
  • One of the two arrows -1- on the spring plate -2- must point in direction of travel.

Front suspension

  • Insert suspension strut and bolt bolts -1- to body.

Front suspension

  • Position engine and gearbox jack - V.A.G 1383 A- under support - T10149- and secure wheel bearing housing.
  • Untie wheel bearing housing from subframe.

Front suspension

  • Unscrew nuts -arrows-.
  • Pull wheel bearing housing with swivel joint out of suspension link.

Front suspension

  • Lower the wheel bearing housing -1- with the engine and gearbox jack - V.A.G 1383 A- in -direction of arrow-.
  • Push wheel bearing housing upwards with the engine and gearbox jack - V.A.G 1383 A- thus nearing the suspension strut.
  • Bolt swivel joint to suspension link again and continue to press wheel bearing housing upwards until final position is reached on suspension strut.

Front suspension

  • Detach support - 3424- .

Front suspension

  • Insert new bolts, tip of bolt must point in direction of travel.
  • Attach wheel bearing housing to suspension strut using new nut -arrow-.

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

Front suspension

Note

  • Lever on vehicle level sender must face towards outside of vehicle.
  • Thread of vehicle level sender must be screwed into outer hole in suspension link. Retaining lug for vehicle level sender must engage in inner hole in order to guarantee correct installation position.

 

  • On vehicles with vehicle level sender, carry out basic settings for wheel damper electronics.
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