Seatbelts safeguard people from injuries in the unfortunate case of an accident. During a collision, the airbag computer activates the seatbelt igniter, activating and locking the seatbelts around each person wearing the seatbelt. When a seatbelt becomes locked as a result of an accident, it must be replaced, repaired, and reset in accordance with the OEM guidelines.
In the event of an accident, the gas charge ignites, securing the seatbelt. Once actuated, either the seatbelt retractor or the buckle pretensioner will no longer function.
Before beginning the repair, all seatbelt components must be examined. All locked and deactivated seat belts must be replaced to return this crucial component of the vehicle's safety system to factory condition. The SRS airbag module may need to be reset or replaced as well. OEM recommendations should always be followed by repair companies. A pre-scan should be completed before initiating repairs. The report gives the in-shop technician a comprehensive summary of the diagnostic issue codes that were activated due to the accident.
Following a visual confirmation by the in-shop repair professional, the technician may identify which parts will need to be replaced once the scan is done.
Replacements and Installation
Replacement of the seatbelt buckle, anchor points, and seatbelt retractors requires special tools and repair procedures. It is imperative that the repair is completed properly to restore the seatbelt's safety function and avoid a potential injury during a collision.
The seatbelt buckle, anchor points, and seatbelt retractor are critical components of the vehicle's safety system. Each component must be inspected and replaced.
The repair can be performed in several steps:
- Replacement of the seatbelt retractor and component parts
- Replacement of the buckle
- Replacement of the anchor points
- Calibration of the airbag
- The repair must be verified using an in-shop scan.
Seat belt resetting is a service requirement mandated by automobile manufacturers. As a result, it's the driving force for many experiments.
Seat belt recalibration is the process of recalibration of a freshly updated airbag system by resetting the seat belt in the vehicle. To reset the belt, the seat belt is put into the retractor, and the retractor system is cycled.
Calibration is accomplished by manually placing the seat belt into the belt housing and pressing it into the retractor at least five times. If the belt is not properly inserted, the seat belt sensor will not identify it and will not trigger the airbag in the event of an accident.
Because the sensors in the seat belts and retractors are calibrated to each other and to the vehicle, the seat belt resetting operation must be completed each time a new airbag computer is installed.
Seat belt resetting is only required when the airbag system components are fitted in the vehicle. The trim cover for the seat belt housing must be removed, and the airbag module must be revealed.
A vehicle technical service bulletin must be read and followed by car owners. The majority of seat belt recalibration processes follow the same stages.
Before any repairs to a vehicle's restraint system are attempted, pre-scan must be performed to verify the problem after a collision. Only then, can the repairs be completed.
Car owners should never make seat belt repairs themselves. To avoid being injured in a collision, the seat belt must be replaced and recalibrated.
Seat belt recalibration must be done in a workshop to avoid further damage to the seat belt and the vehicle.
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