A TSB is a prove it fix it, similar to how it has been but Nissan has acknowledge the problem basically. I told the guy helping me, look I am come in every week and bug you and it finally happen or we can fix it tomorrow morning. Not saying he was not going to fix it anyways, because they had the springs in stock, but it made my point.
Also, larger dealerships have probably already seen this issue so they are more likely to just accept the claim and go with it.
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