51 33 000 Removing and installing (replacing) power window unit in left or right front door

Necessary preliminary tasks:

Remove FRONT DOOR WINDOW GLASS

Slacken screws (1)

Slacken screw (2) and remove retaining clip (3).

Tightening torque 51 33 2AZ .

Fig 1: Identifying Retaining Clip Screws

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Installation:

Make sure guide (1) is correctly seated when fitting retaining clip (2).

Fig 2: Identifying Guide And Retaining Clip

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Release cable tie (1).

Disconnect plug connection (2).

Release screws on power window unit above bores (3).

Tightening torque 51 33 2AZ .

Fig 3: Identifying Cable Tie And Plug Connection

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Removal of power window:

Feed out rear window lift rail
Feed out front window lift rail

Fig 4: Identifying Front And Rear Window Lift Rail
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Replacement:

Release screws (1) and detach flat motor (2).

Tightening torque 51 33 1AZ .

Fig 5: Identifying Flat Motor Screws

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NOTE: To activate the anti-trapping mechanism, a normalization must be carried out after the power window unit has been installed.
Operating sequence for normalization:

Open corresponding window completely.
Operate corresponding power window switch in "Close" position (second switch stage).
Once the upper end position has been reached, hold power window switch in position for approx. 500 secs. longer.
Carry out function check (one-touch function, anti-trapping protection and, if necessary, comfort function).