Mountaineer 2WD V8-4.6L SOHC VIN W (2003)
Seat Belt Tensioner: Description and Operation
Air Bag and Safety Belt Pretensioner SRS
SAFETY BELT PRETENSIONERS
As part of the SRS the safety belt buckles ate equipped with pretensioners. The safety belt buckle pretensioners remove excess slack from the safety
belt webbing. The pretensioners are activated by the restraints control module (RCM) when the module detects a crash event force exceeding a
programmed limit.