How To Check Bearings On Trailer. Take 1 wheel off the trailer to access the hub assembly. You will only use 1 of those grease seals per hub.

All bearings require a constant supply of lubrication and must be periodically repacked with fresh grease to prevent damage. Take 1 wheel off the trailer to access the hub assembly. Support the trailer with jack stands and then spin the wheel and listen to the trailer bearings.
Before leaving for a boating trip its important that you do safety checks.
Wheel Bearings Adjustment Check. Inspect and repack wheel bearings as needed. Jack up the trailer and secure it on adequate capacity jack stands. You can check your cars wheel bearings to see if they need to be repacked.
