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

Necessary preliminary tasks: 

• Remove front DOOR WINDOW GLASS .

Slacken screws (1) at bottom.

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT .

Fig 1: Identifying Screws

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Release screws (1) on power window unit at top.

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT .

Fig 2: Identifying Screws

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Release cable tie (2).

Disconnect plug connection on drive (1).

Raise power window unit and remove past lower screwing points downwards completely.

Installation: 

Make sure that power window rails are parallel, readjusting if necessary.

When installing power window unit, replace anti-rattle protector (foam pad) between power window motor and protective mat if necessary.

Fig 3: Identifying Plug Connection And Cable Tie

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Replacement: 

Make sure that spindle protection tubes at top are sealed with plugs (1).

Fig 4: Identifying Spindle Protection Tube Plugs

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Operating sequence for normalization:

• Open corresponding window completely.
• Press corresponding power window switch into "Close one touch operation" (second switch stage).
• Once the upper end position has been reached, hold power window switch down for approx. 500 secs. more.
• Check function