Hyundai Sonata: Seat Belt Pretensioner / Emergency Fastening Device (EFD) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / Seat Belt Pretensioner / Emergency Fastening Device (EFD) Description and Operation

Description

The Emergency Fastening Device (EFD) operates at the same time with the Seat Belt Pretensioner when it satisifies the deployment condition after a collision. It is an auxiliary equipment to prevent a driver and passenger from breaking away by pulling the seat belt toward the anchor side after a collision. It is located near the anchor on the driver and passenger seat and is supported by two cables.

Never measure the resistance of the anchor pretensioner directly, the current of the measuring device may cause unexpected airbag deploy.

Seat Belt Pretensioner (BPT) Repair procedures

Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the door scuff trim. (Refer to Body - "Interior Trim") 3. Remove t ...

Emergency Fastening Device (EFD) Components and Components Location

Components ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Door Outside Handle Repair procedures
Replacement 1. Remove the hole plug (B). 2. After loosening the mounting bolt, then remove the front door lock (A). Tightening torque : 6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft) 3. Remove the front door outside handle (A) by sliding it rearward. 4. Disconnect the front ...

Hyundai Sonata LF 2014-2019 Service Manual: Height Adjust Repair procedures
Replacement 1. Remove the front seat belt upper anchor. (Refer to Front Seat Belt - "Front Seat Belt Retractor") 2. After loosening the mounting bolts, then remove the height adjust (A). Tightening torque : 39.2 ~ 53.9 N.m (4.0 ~ 5.5kgf.m, 28.9 ~ 39.8 lb-ft) 3. Install in the rev ...