2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Seat Belt System: General Description: Caution

For details of the following precautions for seat belt pretensioner, refer to "AIRBAG SYSTEM" section. <Ref. to CAUTION , General Description.>

  • Before performing vehicle maintenance, turn the ignition switch to OFF and wait for 60 seconds or more after disconnecting the negative terminal from battery. <Ref. to BATTERY , NOTE, Note.>
    • For model with battery sensor, disconnect the ground terminal from battery sensor.
  • Do not drop or apply any impact to the pretensioner.
  • Do not allow oil, grease or water to come in contact with the pretensioner.
  • Do not expose the pretensioner to high temperature or flame.
  • Do not allow current to flow through or voltage to reach the pretensioner. Do not use a circuit tester to check resistance of the pretensioner.
  • Do not disassemble or attempt to repair the pretensioner. If it is dented, cracked or deformed, replace it with a new genuine part.
  • Do not use the airbag or pretensioner parts from other vehicles. Always replace parts with new genuine parts.
  • When handling a seat belt with deployed pretensioner, wear gloves and goggles. Wash your hands afterwards.
  • Do not reuse a seat belt with deployed pretensioner.
  • Before disposal, make sure to perform an operation process to the pretensioners. <Ref. to PROCEDUREΒ , Disposal of Pretensioner.>
  • If material from the pretensioner enters the eyes or contacts skin during operation process, wash it away with clean water, and then consult a doctor.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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