41 14 021 Replacing Front Left Wheel Arch
Procedure OBSERVE repair stage 3!
Read contents of BODY, GENERAL .
Place vehicle on straightening bench.
Following new body parts are required (refer to CONSUMABLES ):
- (1) Wheel arch, front
- (2) Carrier support, outer wheel arch section
Following CONSUMABLES are required:
| Material | Quantity |
|---|---|
| Adhesive K1 | 1 |
| Blind rivets N1 | 56 |
| Punch rivets N5 | 38 |
| EMC screws | 4 |
| Cleaning agent R1 | 1 |
| Cavity sealing wax remover | 1 |
| Sealant D1 |
Removing wheel arch
Open welded connections in area (1).
Installation note:
New parts are bonded and riveted in areas (2).
Apply sealant to cavity sealing . See 41 00... INSTALLING CAVITY SEALING (EXPANDED) or 41 00... INSTALLING CAVITY SEALING (NOT EXPANDED) (3).
Open welded connections in areas (1).
Open welded connections in area (1).
Open welded connections in area (1).
Installation note:
If units compartment partition wall (2) is damaged, cut along line (3).
Mark severance cut on new part according to severance cut on vehicle + 20 mm material extra and cut.
Bond both parts overlapping and rivet. Depending on accessibility, use punch rivets N4 and blind rivets N3.
Open welded connections in area (1).
Preparation of new part:
Open welded connections in area (1).
In area (1) cut open engine support from opposite side and open welded connections.
In area (2) open welded connections from inside.
Adjust new parts to fit with alignment bracket or universal mount and secure.
In areas (1) to (3) set 6.8 mm dia. bore holes for blind rivets N1:
- Area (1): 3 bore holes
- Area (2): 8 bore holes
- Area (3): 6 bore holes
Installation note:
After adhesive has hardened install 2 EMC SCREWS in areas (1) and (2).
In areas (1) and (2) set 6.8 mm dia. bore holes for blind rivets N1:
In areas (1) and (2) set 6.8 mm dia. bore holes for blind rivets N1:
- Area (1): 1 bore hole
- Area (2): 7 bore holes
Installation note:
In area (3) 2 N5 punch rivets are used later.
In area (1) set seven 6.8 mm dia. bore holes for blind rivets N1.
Installation note:
In area (2) 1 N5 punch rivet is used later.
In areas (1) to (4) set 6.8 mm dia. bore holes for blind rivets N1:
- Area (1): 5 bore holes
- Area (2): 3 bore holes
- Area (3): 1 bore hole
- Area (4): 8 bore holes
Installation note:
After adhesive has hardened install 2 EMC screws in areas (1) and (4).
Set two 6.8 mm dia. holes for blind rivets N1 in area (1).
Remove all new parts and deburr holes.
OBSERVE preparation of bonding surfaces.
Installing wheel arch:
Clean bonding surfaces with cleaning agent R1.
Apply adhesive K1 to bonding surfaces.
Install new parts with alignment bracket or universal mount and rivet with blind rivets.
In area (1) rivet new part on both sides offset with 4 punch rivets N5.
Use 14 punch rivets N5 in area (2).
Use 17 punch rivets N5 in area (3).
Rivet new parts with blind rivets in areas (1) and (2).
Use 2 punch rivets N5 in area (3).
Installation note:
Vehicles with spring strut dome plate insert:
Different plate inserts are fitted, depending on the model.
- Version (A) riveted or glued
- Version (B) screwed
Riveted version:
If damaged, the plate inserts must always be replaced with glued versions on both sides of the vehicle.