I have a 2019 trailer and my vault bearings failed too. Driving down the road and smoke was billowing from the hub.

The closest dealership near where the failure happened replaced it with a grease axle.

Fortunately after much followup and about 6 weeks without the boat I did get it warranted through boatmate but I still have one axle with the vault bearings and it makes me nervous. I bought a temp gun to check it periodically not that it gives you any warning.

I think once it fails the oil is gone.

I would definetely continue to reach out to boatmate. I would imagine they are crazy busy so you just have to catch them at the right time.



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