Subaru Problems? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose). Experts aren't employees / agents of Just Answer. We are independent service providers using the Site to sell their Expert knowledge to Customers. I strive to provide EXCELLENT 5 STAR service, let me know what's needed from me so your pleased.
There is not a chart showing a strength number for each make and model and year vehicle, for the seat backs. Only reports on if this part has failed or not. They have to meet the NHTSA testing or the seat and car will fail. Yes you could disassemble a seat and have more bracing welded into it as long as it does not effect the air bag and as long as the extra supports do not cause more harm in certain impacts. The concern though with seat back failure is at the hinge which can not be strengthened. Of all the seat back failures I have seen the majority come from those where as the seat belt shoulder strap is integrated into the seat back and not attached to the roof pillars.
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Hello again Chris here,
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