51 34 420 Removing and installing/replacing trim on window frame of rear door (front), left or right

Necessary preliminary tasks: 

• Remove window cavity cover strip on outside of rear door
• Open door window.

Partially detach rubber seal (1) and rubber guide (2).

Fig 1: Rubber Seal And Rubber Guide

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Release screws (1).

Detach trim (2) towards front/top.

Fig 2: Trim And Screws

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Installation: 

If necessary, replace faulty plastic nuts (1).

Fig 3: Plastic Nuts

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Installation: 

Trim (1) must not be damaged.

Fig 4: Trim

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Acoustic insulation pieces (1) must be fitted on window frame (2) (rattling noises).

Fig 5: Acoustic Insulation Pieces And Window Frame

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Installation: 

To prevent wind noises.

Check gap with a 0.05 mm feeler gauge.

Slide feeler gauge between B-pillar trims on front and rear doors.

When the finishers are correctly adjusted, it must be possible to feel a slight suction resistance over the entire length of the finisher.

If the gap is too big, this may result in wind noises.

Fig 6: Feeler Gauge Between B-Pillar Trims On Front And Rear Doors

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Installation: 

If necessary, release screws (1).

Press trim (2) towards front and tighten down screws (1).

If gap is still too big, adjust trim on window frame of front door, see 51 32 420 Removing and installing/replacing trim on front door window frame, left or right 

Fig 7: Trim And Screws

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