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Just go with 3.0's then you never need to worry about perch adjustment.
There ya go. If you have to "pony up" for warranty work just up grade and move on!!!!
This TSB isn't new, maybe re-released. I was shown the same thing about two years ago when I first had CV issues that weren't covered after a perch adjustment. The biggest thing it effected was my decision not to purchase any type of extended warranty...but it opened the door for many more aftermarket parts since I quit worrying about what would/wouldn't be covered.