Hyundai Santa Fe: Seat Belt Pretensioner / Emergency Fastening Device (EFD). Components and components location

1. Emergency
Fastening Device (EFD) System
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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...
Removal
1.
Disconnect the battery negative terminal, and wait for at least three
minutes before beginning to work...
Other information:
Troubleshooting
Symption
Suspect area
Remedy
Engine misfire with abnormal internal lower engine noises.
Worn crankshaft bearings
Loose or out of specification engine flywheel
Replace the crankshaft and bearings as required...
The aspect ratio is lower than 50 on low aspect ratio tires.
Because low aspect ratio tires are optimized for handling and braking, their
sidewall is a little stiffer than a standard tire. Also low aspect ratio tires tend
to be wider and consequently have a greater contact patch with the road surface...
Categories
WARNING
To reduce the risk of an air bag deploying unexpectedly and causing serious
injury or death:
Do not hit or allow any objects to impact the locations where air
bags or sensors are installed.
Do not perform maintenance on or around the air bag sensors. If
the location or angle of the sensors is altered, the air bags may deploy when
they should not or may not deploy when they should.
Installing bumper guards with nongenuine Hyundai or non-equivalent
parts may adversely affect the collision and airbag deployment performance.
Press the Engine Start/Stop button to the OFF or ACC position and
wait for 3 minutes when the vehicle is being towed to prevent inadvertent air
bag deployment.
Have all air bag repairs performed by an authorized HYUNDAI dealer.
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