So how often do you guys & gals change your wheel hub oil oil? Frieghtliner says every two years. Cummins Bridgeway repair facility said, unless they're leaking don't worry about it. Not the answer I ...
A VERY quick change is to use a cheap transmission pump (guess they still sell them-- mine is 25years old).
Suck out what you can and refill. Do it again next time it is convenient. Total time, both sides is under 5 minutes. And, one quart of synthetic gear lube (proper viscosity for your axle and climate) will last many many changes.