9-3 (9440) L4-2.0L Turbo (2007)
Main task
The belt tensioner pulls the belt taut during the event of a collision, reducing forward movement of the driver or passenger. Additionally, force limiters
release the belt according to a controlled sequence.
Type
The compact belt tensioner is a part of the inertia reel consisting of an explosive charge, feeler gauge, filter and a torsion unit.
1. Detonator