Additional work in event of faulty drive/gearing for longitudinal adjustment (Convertible)

Necessary preliminary work:

Remove front DOOR SILL COVER STRIP .

Release screw (1).

Tightening torque 72 11 01AZ .

Remove inertia reel unit (2).

Installation note:

The inertia reel (2) is coded to prevent incorrect assembly.

Make sure metal clamp is securely seated.

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Fold back carpet (1) to access the screws.

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Release screws (1).

Tightening torque 52 10 06AZ .

Fold upper seat section (2) backwards in direction of arrow.

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Unfasten plug connection (1) and disconnect.

Undo rivet connections (2).

Completely remove rivet residue.

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Lift drive (1) with flex shaft out of guide in direction of arrow.

Pull flex shaft on left and right out of gearbox.

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Installation note:

Slide seat rail with opening forwards or backwards until bushing for flex shaft mounting (4) of worm gear is flush.

Slide in short flex shaft (1).

Insert drive (2) and slide in flex shaft (1) into square on drive (2).

Bend long flex shaft (3) upwards and insert into bushing for flex shaft mounting (4) of worm gear.

Installation note:

PTFE hoses (1) are shrink-fitted onto end pieces.

Check hoses (1) for damage.

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Installation note:

Ensure flex shaft in drive and worm gear is properly installed
Carry out FUNCTION CHECK WITH ADAPTER CABLE .

Replacement:

Initialize BACKREST ADJUSTMENT MOTOR .

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Release screws (1) at front.

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Installation note:

Install new drive for longitudinal seat adjustment.

Move front seat forwards.

Release screws (1) at rear.

IMPORTANT: Cover door sill with protective covers (risk of damage).

Lift out front seat and assemble.

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Installation note:

Make sure flex shaft is correctly fitted on drive

Carpet must not get between seat rails and floor panel in area of attachment points (groaning noises)
Powerlok screws must be replaced and must not be reused
Powerlok screws are mechanical screw locks with trilobular threads
Insert all screws loose to avoid twisting
Tighten down all screws to specified torque
Tightening torque 52 10 1AZ .