F 450 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Seat Belt Retractor: Description and Operation
Energy Management Retractors
The Excursion and F-Super Duty 250-550 CrewCab vehicles have a safety belt system with an energy management feature at the front seating positions
to help further reduce the risk of injury in the event of a head-on collision.
This safety belt system has a retractor assembly that is designed to pay out webbing in a controlled manner. This feature is designed to help reduce the
belt force acting on an occupant's chest.
