What is a Seatbelt Pretensioner and How Does It Work?
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- เผยแพร่เมื่อ 21 ก.ย. 2024
- A seatbelt pre-tensioner is designed to deploy during an auto accident and pull the passenger tighter into their seat. Every car owner should have an emergency cutter and glass breaker on their keychain or nearby amzn.to/42l0mpH to prevent getting trapped in their car after an accident or flood.
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I really appreciate your video.
Both tensioners are giving a fault code, and I did not know whether to change them or look deeper into the airbag light fault.
I can definitely say my tensioners have not been activated.
👍🏼
I have the same issue with the passenger front side. Did you end up replacing them?
So that’s what it is! Nice explanation & demo, thanks for that.
Thank you! No one else has explained this but appreciate more so the live demo!
Very helpful video, thanks for explaining and sharing.
I'VE BEEN WONDERING THIS FOR YEARS
I agree about the not fixing these things. There are some things that should be replaced once they are used or even remotely faulty, and a seat belt pretensioner is definitely one of them. Thank you for the information.
Wow,
you learn something new everyday.
Wow, I never knew this, only searched this because of recall notice I recently received for 2021 Sante Fe Hybrid/Plug-in. I owned the Hybrid model, thanks for posting.
best detail on how a pretensioner works.
Thanks alot for the teaching on the seatbelt pretensioner. I have been wondering why my car shows fault code "Driver seatbelt tensioner too high". And i found out i was sold a car that was involved in an accident and the airbag was discharged so when they fitted new airbag, they did not replace pretensioner buckle.
Nice explanation..That's a beautiful car spin out.
I bought a car that had been crashed. The rear seat belts are locked up and this totally explains why!
In theory, could you have a functioning seatbelt without pretensioners?
It is recommended to replace them. But they should still latch and hold.
What's very likely is that the force limiters in the belts have also been activated. It's a torsionally flexible rod inside the seatbelt assembly, which will twist and deform during the collision to allow the webbing to spool out in a controlled way. Once it's been already deformed there's no guarantee that it wouldn't just snap in case of another collision, letting the seatbelt become completely loose.
Same boat. never knew what in gods name was that. remember being told when i bought my car that its fitted with this safety feature and i just said ok. never even asked to see it. Thanks for sharing
You learn something everyday! Mine are still good, it is in the wiring.
Excellent information
Thanks for the video, Donny!
You're welcome...thanks for watching!
How can you test if your pretensioner is faulty, WITHOUT using something like a multimeter?
Good video! Any insight on a B1431 code? Likely cause?
Thx for shearing!
You're welcome....thanks for watching.
Thanks buddy
This is great news/trivia on safety in an automobile =) Plus the dude doing the demonstration has a great voice and attitude.
Thanks for watching
Freaking loved the demo thanks
There are two wires going to the pretensioner, does it matter which way round they fit to the underseat connector. Reason i ask is i have a replacement pretentioner with different coloured wires to the original.
I had my seatbelt reset but did not send the buckle/pretensioners in mine do not have that gas charge like yours does does that mean it’s located elsewhere or that my buckle doesn’t have that function?
you are amazing thank you so much
Here from Ericthecarguys Body Fix video.. was going to sub but i couldnt. Turns out i had already subscribed lol good videos always deserve a like and subscribe.
Thanks for subbing! I really enjoy Eric The Car Guy's videos too.
Does It work when only curtain air-bag opens?
Thanks for sharing. Do you know what the signal these expect? Is it usually 12V, some CAN based signal or something else? I ask as I am curious how hard it is to retrofit another seat into my cargo van and have it still triggered by maybe the passenger seat in the event of an accident.
I doubt that would work and wouldn't suggest trying it. Just like airbags, the pretensioners are triggered by the SRS module sending 12V at the exact time it's required. The problem is that the module is only designed to supply a certain amount of current and trying to fire two pretensioners off one output could overload the module and cause it to not work as intended. This may mean it might not fire either pretensioner at all or maybe it fires them too late.
I have a code 21-1 after a i did a interior swap there were no codes prior to swap on either car. I did forget to disconnect the battery before the swap any chance I would have cased this?
Those flames behind you are a premonition. Ford is pulling F150's for Seat Belt Pretensioner's for catching on fire.
Thanks for the explanation, hope never have to use this.
I saw Ericthecarguy video. Can you do something about rust
Yeah, I enjoy watching Eric The Car Guy videos too. He is awesome.
"Slow motion"
**still the speed of light**
Where can i buy them and how do i decide which one i should buy
They are an OEM part that is vehicle specific. It depends on the make and model of your car if it came with them from the manufacture.
lol did you just set off an explosive charge that was pointed straight at you
Actually seatbelt pretensioners are repairable..
Nope. In theory they probably rebuildable, but I'm sure you don't have enough insurance to cover that as a completed operation.
@@WCSmith-vr3fx there are places that you can send in a broken seat belt and they will repair it
@@WCSmith-vr3fx what? You don’t make sense.
That’s correct! Seat belts and pretensioners are repairable, There’s plenty of places to send them in to get them fixed.
If you’re repairing any single use safety item, check with your insurance carrier to understand that they will cover a loss when you get sued. If you are using rebuilt airbags/pretensioner in a repair instead of OEM and you’re not disclosing that to the customer AND the insurance company paying for the repair, that is morally reprehensible and likely criminally negligent. If you sell a car that you know has aftermarket or rebuilt airbags, and you don’t disclose it, you are amongst the worst of all humans.
You should have worn safety goggles.
Pĺp