Here we go, another EZ lube debate!
I am the owner of a 2011 Keystone Sprinter with EZ lube hubs. I have been using the zerk fitting for annual greasing using a manual gun for 5 years. I also perform annual manual brake adjustments. ...
Forum Discussion
deltabravo wrote:
It's a high likelihood that eventually the volume of grease pumped in to the zerk over several years will surpass the capacity of the bearing cavity, blowing out the rear seal.
Previous owner of my cargo trailer followed the "there's a grease fitting, so I will shoot grease in it every year" maintenance regime.
It blew out the rear seal:
Upgrades to my trailer - 8.5x20 Haulmark
I thought the point was to expel the old grease and cavity isn't sealed. Pumping too fast and without spinning the wheel is the issue.
