72 11 041 Removing and Installing/Replacing Front Left or Right Lower Belt Fitting (Seat Belt Tensioner)

72 11 041 - Removing and installing or replacing front left or right lower belt fitting (seat belt pretensioner)





Necessary preliminary tasks:
- Remove front seat Removing and Installing Left or Right Front Seat (Normal/Electric)





Warning!
Read and comply with safety regulations [1][2][3]Safety Precautions and General Information for handling airbag modules and pyrotechnical belt pretensioners.
Improper handling can lead to triggering of the pyrotechnical seat belt pretensioner or side airbag, resulting in injuries.

Switch off ignition!





Installation:
- Microencapsulated screws (Loctite) must be replaced and may not be reused
- Screw connection must be completed within 20 minutes (start of curing)
- Microencapsulated screws must not be retightened
- Clean thread of nut beforehand in event of repeated use





Important!
Ensure exact cable routing of airbag wiring harness and belt tensioner.

Release connector housing (1) from bracket on seat mechanism.

Unclip cable (3) from seat mechanism.
Cut open cable tie (2).
Unlock plug connection and pull all plugs out of plug housing (1).
Removing wiring harness.






Installation:
Always feed in cable tie (1) at narrow end of plug housing in direction of arrow.
Cables must be secured with insulation under cable tie.
Firmly tighten cable tie (1) to relieve strain. It must not be possible to move the cable.
Make sure plug (2) is correctly locked in plug housing (3).





Release screw (1).
Tightening torque: 72 11 06AZ Specifications.
Remove belt pretensioner (3).

Installation:
Replace screw (1).
Seat belt pretensioner (3) is coded to prevent incorrect installation (2).