31 11 001 Replacing front axle support

WARNING: This page is about a different variant/trim than selected.

Special tools required:

31 5 251

Necessary Preliminary tasks:

Remove FRONT AXLE COMPLETE .

Removal:

Loosen screws (1).

Remove heat shield (2).

Fig 1: Heat Shield And Screws

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Fig 2: Anti-Roll Bar Screws

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Release screws (1) from anti-roll bar.

Remove anti-roll bar (1) with retaining bracket from front axle.

Fig 3: Anti-Roll Bar With Retaining Bracket On Front Axle

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Fig 4: Steering Gear And Screws

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Release screws (1).

Remove steering gear (2).

Loosen screws (1).

Remove deformation element adapter (2) from front axle support.

Fig 5: Front Axle Support Deformation Element Adapter

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Fig 6: Front Axle Support Ride Height Sensor Holder

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Only for right ride height sensor:

Loosen screw (1).

Release ride height sensor holder (2) from front axle support.

Loosen screws (1).

Release screw (2).

Remove wishbone on left and right.

Fig 7: Wishbone And Screws

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Fig 8: Purge Air Line And Cable Clamp

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Loosen the line clips and cable clamp (2).

Remove purge air line (1).

Installation:

Secure the purge air line (1) to the new front axle support using the line clips and the cable clamp (2).

Fig 9: Purge Air Line And Cable Clamp

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Fig 10: Wishbone And Screws

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Place new front axle support on special tool 31 5 251 and secure with tensioning strap.

Align wishbone (3).

Replace screw (2).

Part: Screw

Screw in screw (2).

Do not yet tighten screw (2)!

Tighten down screws (1).

Tightening torque 31 12 3AZ

Tighten screw (2).

Tightening torque 31 12 2AZ .

Only for right ride height sensor:

Align ride height sensor holder (2) to front axle support.

Fig 11: Front Axle Support Ride Height Sensor Holder

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Tighten screw (1).

Tightening torque 37 14 2AZ .

Fig 12: Front Axle Support Deformation Element Adapter

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Align deformation element adapter (2) to front axle support.

Tighten down screws (1).

Tightening torque 31 11 3AZ .

Attention !

The bulkhead gasket (1) of the electronic power steering (EPS) must always be replaced!

Remove gasket (1).

Clean surface on steering gear.

Parts: Bulkhead gasket

Fig 13: Electronic Power Steering Bulkhead Gasket

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Position and bond the new gasket (1).

Fig 14: Steering Gear And Screws

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Align steering gear (2).

Replace screws (2).

Parts: Bolts

Tighten down screws (1).

Tightening torque 32 00 1AZ .

Place anti-roll bar (1) with retaining bracket on front axle and align.

Fig 15: Anti-Roll Bar With Retaining Bracket On Front Axle

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Fig 16: Anti-Roll Bar Screws

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Replace screws (1).

Parts: Bolts

Tighten screws (1) on anti-roll bar.

Tightening torque 31 35 3AZ .

Align heat shield (2).

Tighten down screws (1).

Tightening torque 32 00 2AZ .

Fig 17: Heat Shield And Screws

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Required follow-up work:

Install FRONT AXLE .
Carry out wheel alignment procedure. See ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT (WITHOUT VEHICLE LOAD) .