51 48... Removing and installing/replacing sound insulation in front door, left or right

Remove front door trim panel, refer to 51 41 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT DOOR TRIM PANEL .

If necessary, remove airbag module in front door, refer to RESTRAINTS article. See SIDE AIR BAG MODULE

Remove inside door handle on front door, refer to 51 21 225 REMOVING AND INSTALLING/REPLACING INSIDE DOOR HANDLE IN LEFT OR RIGHT FRONT DOOR .

Disconnect plug connection (1).

Fig 1: Disconnecting Plug Connection (1)

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Release screws (2) and remove speaker unit.

Fig 2: Removing Speaker Unit

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Using special tool 00 9 317 (trim panel wedge), lever out sealing bead (1) of sound insulation (2) completely or if necessary partially.

Fig 3: Removing Sealing Bead Of Sound Insulation

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Installation:

In event of replacement or partial detachment, lay butylene tape on inner door plate or sound insulation.

Seal cable penetrations with butylene tape.

NOTE: Position of butylene tape (1) on inner door plate.

Fig 4: Positioning Of Butylene Tape On Inner Door Plate

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NOTE: Position of butylene tape (1) on sound insulation (2).

Fig 5: Positioning Of Butylene Tape On Sound Insulation

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CAUTION: When working with adhesive cleaners in enclosed rooms: Ensure room is well ventilated.
The adhesive areas must be dry and free from dust and grease.
After cleaning, do not touch the adhesive areas with bare hands.

If necessary, clean the specified adhesive area with adhesive cleaner.

Air drying time: 1 minute

Lay butylene tape with a 6mm diameter in specified adhesive area.

Heat butylene tape (hot air blower) and press down firmly on sound insulation all round.

Contact pressure with hand roller: approx. 30 N/cm₂

Manual contact pressure: approx. 10 N/cm₂

NOTE: Firm thumb pressure has approx. 50 N/cm₂