Originally Posted by John McClain
The only problem is that the movement can be thousandths of an inch and that can be hard to prove beyond doubt.
But ya gotta do something or just learn to take it.....
If it were me, I'd mark the frame with a weatherproof tape, mark my measurement spots and then measure the same spots each time. I would also do it with a vernier instead of a tape measure. Document it every time.
You can't should up armed with too much info and proof when you're trying to get an OEM (any OEM) to spend big bucks on warranty work.
They'll try and get out of it ever time.
Of course, if it doesn't change over time you've at least put your mind at rest about that several thousand pound thing rolling along behind you....