51 32 170 Removing and installing/replacing door window glass, front left or right

Special tools required:

WARNING: Danger of injury!
Carry out work on the power window regulator only when the power window motor is de-energized.

Necessary preliminary tasks:

Slacken multipoint head cap screws (1) on ring gear with special tool 2 360 051 .

Tightening torque: 51 33 3AZ .

Fig 1: Tightening Head Cap Screws With Special Tool (2 360 051 A)

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NOTE: Slacken multipoint head cap screws on ring gear (1) until they can be screwed out slightly at inner star (2).

Fig 2: Ring Gear And Inner Star

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Open door window glass (1) until multipoint head cap screws (2) are accessible.

IMPORTANT: Danger of injury!
Disconnect plug connection (3) at power window motor (pinch hazard).

Release multipoint head cap screws (2) (turn to the right).

Fig 3: Door Window Glass And Head Cap Screws

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NOTE: Door window glass (3) remove for purposes of clarity.

Raise holder (1) at tab (2) and remove door window glass (3) in upward direction.

Fig 4: Removing Door Window Glass

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Installation note:

Make sure door window glass (1) is correctly seated on holder (2) and window guide (3).

Carry out function check on power window regulator and anti-trap mechanism.

If necessary, NORMALIZE power window regulator.

Fig 5: Door Window Glass On Holder And Window Guide

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