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<blockquote data-quote="Traxion" data-source="post: 325413" data-attributes="member: 983">I don't know if bearing buddies really do anything at all, the only time you see them is on boat trailers.&nbsp; Not sure that the whole wet environment is really solved by them regardless.&nbsp; But yes, don't pump them till the spring is full, you'll blow out the seals.&nbsp; All the heavy duty trailers use plain old caps so I'd have no hesitation using them on a boat trailer.&nbsp; Probably seal up better than a bearing buddy anyway.&nbsp; Some make hollow axles that pump the grease out of the spindle.&nbsp; I had one and couldn't tell a difference other than the grease did get to the rear bearing easier.&nbsp; In terms of heat, they're going to be warm no question.&nbsp; Once they reach the point of hot (not pleasant to touch) I have always found a problem when I tore into them, so I do get a little excited at that point.&nbsp; Changing a tire sucks bad enough beside the road.&nbsp; Trying to hammer out a shredded bearing race on the tailgate is a do it once in a lifetime thing.&nbsp; I'll repack and check bearings regularly to avoid that anytime.</blockquote>

[QUOTE="Traxion, post: 325413, member: 983"] I don't know if bearing buddies really do anything at all, the only time you see them is on boat trailers. Not sure that the whole wet environment is really solved by them regardless. But yes, don't pump them till the spring is full, you'll blow out the seals. All the heavy duty trailers use plain old caps so I'd have no hesitation using them on a boat trailer. Probably seal up better than a bearing buddy anyway. Some make hollow axles that pump the grease out of the spindle. I had one and couldn't tell a difference other than the grease did get to the rear bearing easier. In terms of heat, they're going to be warm no question. Once they reach the point of hot (not pleasant to touch) I have always found a problem when I tore into them, so I do get a little excited at that point. Changing a tire sucks bad enough beside the road. Trying to hammer out a shredded bearing race on the tailgate is a do it once in a lifetime thing. I'll repack and check bearings regularly to avoid that anytime. [/QUOTE]

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