41 14 021 Replacing front left wheel arch

WARNING: This page is about a different variant/trim than selected.

Refer to relevant service information in BODY, GENERAL .

Use only approved SPOT-WELDING APPARATUS for repairs.

Place vehicle on straightening bench.

Strip down vehicle. See STRIPPING OPERATIONS .

Observe procedure of REPAIR STAGE 3 .

The following new body parts are required:

Wheel arch, front (1)
Support carrier, wheel arch, front (2)
Reinforcement, carrier support (not shown in illustration)

Fig 1: Identifying Wheel Arch And Support Carrier, Front

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Removing wheel arch:

Open weld joints in area (1).

Fig 2: Opening Weld Joints - 1 Of 5

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Open weld joints in areas (1).

Fig 3: Opening Weld Joints - 2 Of 5

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Open weld joints in areas (1).

Fig 4: Opening Weld Joints - 3 Of 5

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Open weld joints in areas (1).

Fig 5: Opening Weld Joints - 4 Of 5

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Mark severance cut before dia. 20 mm and cut.

Open weld joints in area (1).

Remove the wheel arch.

Fig 6: Open Weld Joint Area - 5 Of 5

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Preparation of new part (welding technology):

Open weld joints in areas (1).

Fig 7: Identifying Weld Joints In Areas

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Open weld joints in areas (1).

Mark severance cut (2) in accordance with vehicle and cut.

Prepare REINFORCEMENT PLATE at severance cut.

Adjust new wheel arch with alignment bracket or universal mount.

Fig 8: Open Weld Joint Area And Cut

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Preparation of new part (bonding-riveting technology):

Adjust new support beam to fit and secure.

Set eleven 6.7 mm dia. bore holes for blind rivets in area (1).

Fig 9: Identifying Hole For Rivet Area

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Set 3 6.7 mm dia. bore holes for blind rivets in area (1).

Remove new parts again and deburr holes.

Fig 10: Identifying Hole For Rivet Area

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IMPORTANT: Do not grind/sand new carrier support in area of bonding surfaces.

Installation of wheel arch (welding technology):

Adjust wheel arch and carrier support reinforcement with alignment bracket or universal mount and weld.

Installation of carrier support (bonding-riveting technology):

Clean bonding surfaces on vehicle and on new part with cleaning agent R1.

Apply adhesive to bonding surfaces (1).

Fig 11: Identifying Bonding Surfaces

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Mount support carrier and rivet with blind rivets (1).

Fit an EMC SCREW at the A-pillar (1) after the adhesive has hardened.

Fig 12: Identifying Support Carrier And Rivet With Blind Rivets

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Rivet support carrier with blind rivets (1).

Fig 13: Identifying Rivet Support Carrier With Blind Rivets

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