F 150 Super Crew 2WD V8-4.6L SOHC VIN 6 (2003)
Seat Belt Retractor: Description and Operation
Occupant Restraints - Passive - Supplemental Air Bag System
Safety Belt Pretensioners
As part of the Supplemental Restraint System (SRS), the vehicle is equipped with one of two types of safety belt pretensioners. The pretensioners are
activated by the Restraints Control Module (RCM) when the module detects a crash event force exceeding a programmed limit.
Safety Belt Retractor Pretensioners
Vehicle not equipped with Seat Integrated Restraints (SIR), the safety belt retractors are equipped with pretensioners. The belt retractor pretensioners
rotate the safety belt retractors to remove excess slack from the safety belt webbing.
Safety Belt Buckle Pretensioners
Vehicle equipped with seat integrated restraints (SIR), the safety belt buckles are equipped with pretensioners. The safety belt buckle pretensioners
remove excess slack from the safety belt webbing.
