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Old 09-09-2013, 12:28 AM   #1
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Locking seat belts?

Just noticed this today. On every car I've owned, even as far back as mid-90's, the seat belt locks if you yank it quickly enough. Obviously this is a safety feature as it keeps you put in an accident.

I'm well aware of this feature in other cars as I've used it to help stay put at the track or autocross.

I noticed that in my Jeep, the seatbelt does not lock at all. Is that specific to this vehicle, or is my belt not working properly?

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Old 09-09-2013, 01:04 AM   #2
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It's not a car !



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Old 09-09-2013, 01:10 AM   #3
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I'm pretty sure its suppose to lock.
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Old 09-09-2013, 01:14 AM   #4
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Lmao to the pic with the cat!!! But yeah there supposed to lock but!!! You cannot yank them as fast as a collision could your talkin 2-5 G's but I have noticed that some cars you barely tug them and they lock and some it's like they won't lock at all lol if your concerned I would have the dealer check it. What year and and mileage do you have because seat belts and stuff should be covered under 8 years or 80,000 miles but the buckles are covered for life!!!
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Old 09-09-2013, 01:18 AM   #5
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The seat belts lock via the force of enertia on the belt's locking mechanism from a sudden stop or gravity from a steep hill. Pulling quickly on the strap itself won't lock it up.
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Old 09-09-2013, 01:23 AM   #6
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^^agree!!
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Old 09-09-2013, 01:41 AM   #7
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Quote:
Originally Posted by Jerry Bransford View Post
The seat belts lock via the force of enertia on the belt's locking mechanism from a sudden stop or gravity from a steep hill. Pulling quickly on the strap itself won't lock it up.
Both of my front seat belts lock when I pull fast. And every time in leaning sideways at all
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Old 09-09-2013, 01:48 AM   #8
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Both of my front seat belts lock when I pull fast.
Not if they are OE Jeep belts, the TJ's seat belt mechanism does not have an enertia locking reel like some other seat belt mechanisms do. You can pull the TJ's seat belts out at Superman speed and they will not lock up if the Jeep is sitting on level ground.
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Old 09-09-2013, 02:01 AM   #9
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Quote:
Originally Posted by Jerry Bransford View Post
Not if they are OE Jeep belts, the TJ's seat belt mechanism does not have an enertia locking reel like some other seat belt mechanisms do. You can pull the TJ's seat belts out at Superman speed and they will not lock up if the Jeep is sitting on level ground.
I just tried to make sure and they sure do lock up... How odd... I know they haven't been replaced because the PO is my uncle and he said he never touched the seatbelts or anything in the interior for that matter. Was there any sort of a recall where the dealership could have changed mine out? 2002 X.


Heres a video I took real quick. Im sorry for hijacking your thread :/
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Old 09-09-2013, 02:09 AM   #10
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I just tried to make sure and they sure do lock up... How odd... I know they haven't been replaced because the PO is my uncle and he said he never touched the seatbelts or anything in the interior for that matter. Was there any sort of a recall where the dealership could have changed mine out? 2002 X.
Take the mechanism apart & you'll quickly see how it locks... and it has nothing to do with how fast the belt is pulled out. The locking mechanism consist of a steel ball in a plastic cup that moves a lever that locks the reel if the ball rolls far enough.

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Old 09-09-2013, 02:16 AM   #11
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Can you tell from my video if that is a stock belt system? I posted it later so you might not have seen it? Not arguing with you or anything, I've tested two other tj's and they both didn't lock. Im just wondering why mine do... Thanks for your time Jerry
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Old 09-09-2013, 02:26 AM   #12
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Here's a good article on the mechanism on how to get it working again when it gums up from dirt, it also gives a good explanation of how it works...

Jeep Wrangler TJ seatbelt fix

I'd have to look at yours more closely to see what is up after viewing your video... maybe it's gunked up inside, they can do that.
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Old 09-09-2013, 02:30 AM   #13
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Here's a good article on the mechanism on how to get it working again when it gums up from dirt, it also gives a good explanation of how it works...

Jeep Wrangler TJ seatbelt fix
Ok, thanks for the info. If it gets any worse I'll clean it but its been this way for almost 2 years so hopefully I won't have any problems.

Sorry again to the OP for hijacking the thread
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Old 09-09-2013, 02:31 AM   #14
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So you figure my seatbelt locking when pulled fast is probably just because its dirty?
That very well could be. Flushing out the cup & ball mechanism with WD-40 is a good way to flush out dirt, gunk, etc.
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Old 09-09-2013, 09:19 AM   #15
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Quote:
Originally Posted by Nissantech View Post
Lmao to the pic with the cat!!! But yeah there supposed to lock but!!! You cannot yank them as fast as a collision could your talkin 2-5 G's but I have noticed that some cars you barely tug them and they lock and some it's like they won't lock at all lol if your concerned I would have the dealer check it. What year and and mileage do you have because seat belts and stuff should be covered under 8 years or 80,000 miles but the buckles are covered for life!!!
2001, 72,000 miles
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Old 09-09-2013, 01:13 PM   #16
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I would call the dealer and have them run your vin and see if it is, could have looked at for free there's probably nothing wrong but a free check never hurts lol
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Old 09-09-2013, 03:44 PM   #17
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I was wondering this myself....now I learned 2 things today....
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Old 09-09-2013, 03:50 PM   #18
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Originally Posted by Jerry Bransford View Post
That very well could be. Flushing out the cup & ball mechanism with WD-40 is a good way to flush out dirt, gunk, etc.

I just pull the entire orange piece off and clean it out with my finger. WD-40 is asking for mud to build up when it hits the wet stuff.
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Old 09-10-2013, 01:32 AM   #19
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WD40 is strictly a short lived flush/solvent, it soon evaporates. It isn't a good lube, but it's very good at flushing crud out.
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Old 09-10-2013, 02:32 AM   #20
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So my driver seat if I pull it fast it locks. Passenger if I pull fast it doesn't lock. Lol 06 se so which belt is the working one?
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Old 09-10-2013, 06:10 AM   #21
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WD40 is strictly a short lived flush/solvent, it soon evaporates. It isn't a good lube, but it's very good at flushing crud out.
I know this. Also good as a glue remover.
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Old 07-05-2014, 11:05 PM   #22
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Here's a good article on the mechanism on how to get it working again when it gums up from dirt, it also gives a good explanation of how it works... Jeep Wrangler TJ seatbelt fix I'd have to look at yours more closely to see what is up after viewing your video... maybe it's gunked up inside, they can do that.
Will this work on 14 jk

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