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

Necessary preliminary tasks: 

• Remove door window glass  . 

Fig 1: Identifying Plug Connection And Power Window Motor

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Lever out cover (1) and release nuts (2) underneath.

Unscrew nuts (3).

Tightening torque 51 33 2AZ  . See BODY EQUIPMENT - TIGHTENING TORQUES .

Fig 2: Identifying Cover And Nut

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Unclip power window unit (3) at clip (1 and 2).

Installation: 

Clips (1 and 2) must not be damaged.

Make sure clips (1 and 2) are in correct position.

Fig 3: Identifying Power Window Unit And Clip

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Removal of power window unit

1. Feed out front window lift rail
2. Feed out rear window lift rail
   Fig 4: Identifying Front And Rear Window Lift Rail

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Installation: 

Insert adjusting plate (1) on rear window lift rail (3) correctly into guide on window lift support (2).

Fig 5: Identifying Rear Window Lift Rail, Guide And Adjusting Plate

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Replacement: 

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

Tightening torque 51 33 2AZ  . See BODY EQUIPMENT - TIGHTENING TORQUES .

Installation: 

Carry out normalization  of power window unit. See 67 62 000 REMOVING AND INSTALLING/REPLACING FLAT MOTOR FOR FRONT LEFT OR RIGHT POWER WINDOW UNIT .

Fig 6: Identifying Flat Motor And Screws

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Basic settings of power window unit: 

Height adjustment via wedge (1).

Measurement (A)

=

3 ... 4 mm

Fig 7: Measuring Via Wedge Height Of Power Window Unit

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Longitudinal adjustment via elongated hole (1) of wedge (2) on power window unit (3).

Fig 8: Identifying Elongated Hole, Wedge And Power Window Unit

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