Originally Posted by
Classtime
WRT the rattling thing: I discovered (probably on here) that the traditional tried and true practice was to lightly smack the lever body near the pivot with a hammer. It works.
Risky though, because if you go a tad too far and they bind up, it can be very difficult to loosen them. Tap lightly with the hammer, increasingly hard until it just barely tightens them, then let well enough alone.