Restraints
Seat Belt Pretensioner (BPT) Repair Procedures
In this manual: Restraints
14steps
~84min
3/5difficulty
Done 0 of 14
Removal
- Disconnect the negative battery cable and wait at least three minutes before starting work.
- Remove the door scuff plate. (Refer to Body - "Interior Trim")
- Remove the center pillar trim. (Refer to Body - "Interior Trim")
- Loosen the seat belt pretensioner mounting bolts (A) and remove the seat belt pretensioner.
- Disconnect the seat belt pretensioner connector (B).

Installation
- Remove the ignition key from the vehicle.
- Disconnect the negative battery cable and wait at least three minutes.
- Install the seat belt pretensioner with the bolts (A).
- Connect the seat belt pretensioner connector (B).
Tightening torque: Bolt B: 39.2 ~ 54 N·m

- Install the center pillar trim. (Refer to Body - "Interior Trim")
- Install the door scuff plate. (Refer to Body - "Interior Trim")
- Insert the seat belt into the anchor pretensioner.
Make sure the stopper pin is inserted correctly.
- Connect the negative battery cable.
- After installing the seat belt pretensioner, check the system operation:
A. Turn the ignition ON; the SRS indicator should illuminate for approximately six seconds, then turn off.
Test yourself
A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.
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