ofdphildo Posted May 5, 2020 Report Share Posted May 5, 2020 Hey guys, a few months back I replaced my trailer hubs with new CE Smith prepacked bearing and hub assemblies. The trailer hasn't been on the road since, I recently noticed that it looks like some of the oil (very small amount) was starting to separate from the grease/leak out of the hubs on the back of the rims. The boat stays on a lift and the trailer gets very little use, I just want it be road worthy should I need it. My question is, should I be exercising the trailer every so often to make sure everything stays ready and working? Thanks. Quote Link to comment Share on other sites More sharing options...
jh141 Posted May 5, 2020 Report Share Posted May 5, 2020 Is it directly in the sun? Unless the hubs are getting hot and the grease is breaking down there should be no leaking even if it never moves. I have seen oil bath hubs do that. Not grease hubs. The reality is it probably is not a problem. You might want to take it for a ride every so often just to be safe. Quote Link to comment Share on other sites More sharing options...
ofdphildo Posted May 6, 2020 Author Report Share Posted May 6, 2020 Yeah. She sits in the driveway in the sun. I have the wheels covered with RV wheel covers....I've had grease guns that sit in the garage for a while that seem to do the same thing. 1 Quote Link to comment Share on other sites More sharing options...
Bamaskeet Posted May 6, 2020 Report Share Posted May 6, 2020 It’s call bleed rate. All greases bleed oil, particularly if there is either heat or pressure present. Some grease bleed oil at a faster rate. What I would be concerned with is the oil leakage past the rear seal. Do you have a bad seal or perhaps the seal riding surface is compromised, it’s grooved or rough. Quote Link to comment Share on other sites More sharing options...
triplec Posted May 7, 2020 Report Share Posted May 7, 2020 This ☝️ Quote Link to comment Share on other sites More sharing options...
ofdphildo Posted May 7, 2020 Author Report Share Posted May 7, 2020 Seals seem fine. I took it for 10 mile drive, no slinging of grease on the inner rim. I cleaned the rims good. I'll take a look in a couple weeks to see what it looks like. Quote Link to comment Share on other sites More sharing options...
Bamaskeet Posted May 8, 2020 Report Share Posted May 8, 2020 A little oil/grease leakage is beneficial, because it lubes the seal riding surface and reduces the wear on the seal lip. Obviously, too much seal leakage will cause water intrusion. Quote Link to comment Share on other sites More sharing options...
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