Hyundai Elantra (CN7): Seat Belt Pretensioner. Seat Belt Pretensioner (BPT) / Repair procedures

Hyundai Elantra (CN7) 2021-2025 Service Manual / Restraint / Seat Belt Pretensioner. Seat Belt Pretensioner (BPT) / Repair procedures

Removal
[Front Seat Belt Pretensioner (BPT)]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the door scuff trim.
(Refer to Body (Interior and Exterior) - "Door Scuff Trim")
3.
Remove the center pillar lower trim.
(Refer to Body (Interior and Exterior) - "Center Pillar Trim")
4.
Remove the center pillar upper trim.
(Refer to Body (Interior and Exterior) - "Center Pillar Trim")
5.
Remove the front seat belt upper anchor (A) after loosening the mounting bolt.

6.
Separate the BPT connector (A) and PSB connector (B).

7.
Loosen the mounting bolts (B,C), remove the front seat belt pretensioner (A).

[Rear Seat Belt Pretensioner (BPT)]
1.
Remove the rear package tray trim.
(Refer to Body (Interior and Exterior) - "Rear Package Tray Trim")
2.
Disconnect the airbag connector (A) after pushing the lock pin.

3.
Remove the rear seat belt pretensioner (A) after loosening the mounting bolt.

Installation
[Front Seat Belt Pretensioner (BPT)]
1.
Install the front seat belt pretensioner (A).
Tightening torque :
Bolt B : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
Bolt C : 39.2 - 53.9 N.m (4.0 - 5.5 kgf.m, 28.9 - 39.8 lb-ft)

2.
Connect the BPT connector (A) and PSB connector (B).

3.
Install the front seat belt upper anchor (A) bolt.
Tightening torque :
39.2 - 53.9 N.m (4.0 - 5.5 kgf.m, 28.9 - 39.8 lb-ft)

4.
Install the center pillar upper trim.
(Refer to Body (Interior and Exterior) - "Center Pillar Trim")
5.
Install the center pillar lower trim.
(Refer to Body (Interior and Exterior) - "Center Pillar Trim")
6.
Install the door scuff trim.
(Refer to Body (Interior and Exterior) - "Door Scuff Trim")
7.
Reconnect the negative (-) battery terminal.
8.
After installing the seat belt pretensioner, confirm proper system operation.
   
•
Turn the ignition switch ON the airbag warning lamp should be turned on for about 6 seconds and then go off.
[Rear Seat Belt Pretensioner (BPT)]
1.
Tighten the mounting bolt and install the rear seat belt pretensioner (A).

2.
Connect the airbag connector (A).

3.
To install, reverse the removal procedures.
   
•
Turn the ignition switch ON the airbag warning lamp should be turned on for about 6 seconds and then go off.

    Components1. Front seat Belt Pretensioner (BPT)2. Rear seat Belt Pretensioner (BPT)

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