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Deployed Seat Belt Question

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AMCRambler

AMCRambler

Diamond Member
So my buddy hit a patch of ice and hit a jersey barrier with a nice glancing blow that blew his passenger side airbag but not the drivers side. The accident wasn't too bad so he drove it home. I guess the prescribed repair was to replace the SRS ecu and the airbag which they did. I think they bought the parts online and had a mechanic replace them. Not sure if it was done by a dealership or not.
The other thing that needs to be fixed is the seat belts. From what they've told me, both seatbelts are deployed and locked in place. They wanted to try and replace them themselves which I didn't think would be too hard. Should be able to find a good set at a junk yard and swap them in right? The SRS light is still on right now, we think because of the deployed seat belts. Can I reset that light with my OBDII scanner?

I've been trying to find any info on this online that I can but no luck so far. Just a lot of sites talking about defective seatbelt sensors.
 
Depending on the car and what type of scanner you have, maybe. But I would leave that to a dealer, cause if they screw up and it messes up or deploys the new air bag, then it is their problem. As to seatbelts, I personally would never buy them from a salvage yard, but you can swap them in yourself. The bolts holding the retractor will be tight, probably a TORX bit with Loctite on the threads and you need to figure out how to remove any interior trim that will be in the way.
 
Originally posted by: bruceb
Depending on the car and what type of scanner you have, maybe. But I would leave that to a dealer, cause if they screw up and it messes up or deploys the new air bag, then it is their problem. As to seatbelts, I personally would never buy them from a salvage yard, but you can swap them in yourself. The bolts holding the retractor will be tight, probably a TORX bit with Loctite on the threads and you need to figure out how to remove any interior trim that will be in the way.
Click to expand...

Sounds like once they're deployed they're basically fubar. Maybe I can get a set of new ones cheap online rather than a junk yard set. Honda will rape them for the parts and the installation if they take it in.
How about the seat belt sensors? Are they contained within the tensioner assembly? Or is that something I'll need to purchase separate? I wish they had a Haynes manual for the car but I don't think they do.
 
I think they are in the retractor mechanisim. Unless you are refering to the switch that turns off the Seat Belt light on the dash. That is usually in the part of the seat belt assembly, where the belt Clips Into.
 
Thanks Bruce. His pops is supposed to be sending me some scans of a technical manual they borrowed from the mechanic so I can read up on it. Hopefully they copied the section regarding seatbelts.
 
I got the technical manual pages, but they only deal with replacement of the airbags and SRS module. After poking around online I found a site detailing replacement of the pre-tensioners and it sounds like they actually have explosive charges in them that fire when there's a collision locking the belts in place. Does that sound right? It detailed what you need to do to trigger the charge if the airbag went off, but the charge did not and you're supposed to stand 30 feet away from the vehicle when you set it off! That makes me wicked nervous about just swapping these things out. What if one pops while I'm torqing it down with a socket wrench? Anyone have any info or experience with replacing these? Is it work better left to a professional like an airbag replacement?
 
You should be ok as long as you don't, like, hit it with a hammer. And if they have any electrical connectors, play it safe and disconnect the battery.
 
Seatbelt pretensioners do use explosives to do their job. One-time-use only. I have no idea about replacing them oneself, though.
 
The seatbelts have ballistic charges in them and the SRS light wont reset until you get replacements (or put a resistor in them so the aribag controller thinks they're good).

Depending on the make and model they might be in the buckle or the winding mechanism, the buckle is easier to replace.
 
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