Begin re-greasing your trailer bearings by removing the lugs with a lug wrench. / Joe Shead Just like changing a flat tire, start by cracking loose your lug nuts while the tire is still on the ground.

Q: I shot a bunch of expensive marine-style grease into the bearing buddies on my bass-boat trailer last fall. It was recommended to me by a marine mechanic as the best product for my trailer, because ...