EZ Lube axles/hubs

falconbrother wrote:
I bought my TT in 2017 and it has the EZ lube hubs, but.. When I bought it the RV mechanic that gave us the walk around was emphatic that we shouldn't mess with those hubs for a few years. He discouraged even squirting grease in them.

what's the point of EZ lube axles if you don't need to squirt some grease in there every once in a while?

How can grease in a hub/bearing blow out a seal unless it's under pressure?

the mechanic is correct. ez lube axles are for adding a half a squirt of grease every couple of years, so that you dont need to disassemble and repack...

and yes, those who dont know any better can, and often DO, fill the cavity with grease to the point where the grease only has 2 ways to go.... either out the front, or out the back, and a grease gun can generate thousands of PSI with very little effort, and it doesnt take but a few PSI to push the seal out with too much grease.

no matter is one understands the concept or not, they can save themselves some troubles by forgetting those grease fittings for awhile....ansd if the bearings are packed and tightened correctly and the seals are good, they will go many, many thousands of miles without any problems at all

bearing buddy caps will do the exact same thing to the seal if they get too much grease pumped into them...