How would you know? Have you ever let your trans get so low on lube? LOL.
It absolutely amazes me how many times we see this crap. Buy it. Drive it. Never check anything. Post on the forum when we have noises/issues.
OP, don't take this personal but this stuff needs to be said!! It's not directed at you in particular, but to all those who do the same. A good lube, oil and filter change includes checking critical fluid levels/conditions on the trans, transfer case and diffs.
Should be SOP on the purchase of any vehicle.
Jim is absolutely correct in his assessment here. One of my pet peeves. Ignore the lifeblood of your vehicle and drive it without any concerns.
Piss and moan when you hear bad noises.