Removing and Installing/Replacing Left or Right AHPS2 Head Airbag

72 12 045 - Removing and installing/replacing left or right AHPS2 head airbag





Warning!
Read and comply with safety regulations for handling airbag modules and pyrotechnical belt tensioners.
Incorrect handling can activate head airbag and cause injury.





Necessary preliminary tasks:
- Remove luggage compartment trim on side panel
- Disconnect battery cable Disconnecting and Connecting Battery Negative Lead
Follow instructions Instructions for Disconnecting and Connecting Battery for disconnecting and connecting battery.
- Remove roofliner 51 44 011 Removing And Installing/Replacing Headliner (With Slide/Tilt Sunroof)





Release all screws (1) of holders.

Tightening torque 72 12 03AZ Airbag Modules.
Feed all holders (2) out of sheet metal flange.
Note:
The retainers behind the holders can break off. These retainers serve as an installation aid during series production and are not important for repairs.





Release rear screw.
Tightening torque 72 12 04AZ Airbag Modules.
Remove rear AHPS2.





Release front screws (1 and 2).
Tightening torques:






Carefully feed gas generator out of guides towards rear, unlocking and disconnecting plug (3) in the process.
Remove gas generator completely.





Security version:
Gas generator (1) is mechanically modified, spare part changed.





Note:
View of retaining screw with anchor fitting of AHPS2 head airbag:
1 - Anchor fitting, AHPS2 head airbag
2 - Lock washer
3 - Retaining screw





Installation Note:
Observe the following when replacing grommet:

- Catches (1) must not be damaged
- Pay attention to guide lug (2) when feeding into body