Originally Posted by scott7278
I agree with you (well, the MMW Act) that it has to be proven, but that's an unneeded headache - I've been there on an unrelated issue when it came to a warranty claim. Lawyers can get expensive. *shudder*
It's just easier to find a quality oil that meets the specification and not worry about it, rather than saving a few cents using an inferior oil.
An expensive private lawyer is not needed to force a manufacturer to stand behind their warranty.
A phone call to the State Attorney General's office, or Office of Consumer Affairs is all that's needed.