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Old 03-30-2014, 03:59 PM   #11
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we take ours out to the factory every two years and get the bearings re-done and brakes adjusted and a general check over---got new tires this fall as Reace could see separation between the treads--Previous owners did go all across Canada.
Easy for us and Doug sure doesn't want to have to learn how to do bearings--mind you we do live less than an hour from the factory (that way I can get new mods each time we are out there too!!) Cheaper than a new trailer
But reading this forum I always have new ideas...
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Old 03-30-2014, 04:14 PM   #12
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I think if I lived an hour from ETI they would have to hire me…….
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Old 03-30-2014, 09:40 PM   #13
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Originally Posted by cpaharley2008 View Post
IMHO the E-Z-lube Dexter axle option is worth the $50 upgrade cost. A couple of squirts every year and inspection every other year This is a lot better than bearing buddies but not as expensive as yearly replacement.. Replace when needed not yearly.
You could also skip the EZ-Lube and the annual squirts, otherwise maintain as per this schedule, and have almost exactly the same effect. The squirts don't achieve anything, if your bearings are not leaking grease.

I don't think anyone has suggested replacing bearings yearly, and even yearly grease replacement is not necessary with other vehicles, so there's no reason to do with trailers.

I don't see any harm in the EZ-Lube system if properly used, and it's only $50 so why not, but I also see no benefit for travel trailers. EZ-Lube is certainly better than Bearing Buddies.
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Old 03-31-2014, 06:01 AM   #14
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Dexter's website says you still need to do "periodic" service, which I take it to mean you have to check the bearings yearly or every 10k as mentioned previously. What value "repacking" as mentioned in their video is between yearly servicing is anyone's guess.

I did mine per the video a couple years ago, and like Glenn also had grease ooze out and get on the tires and wheels up until I did a manual repacking a few months later.
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Old 03-31-2014, 07:55 AM   #15
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Why would trailer bearings need such frequent servicing as compared to other vehicles? I can see with boat trailers that have their axles immersed in water, that more frequent service would be necessary, but why on RV trailers? Are the bearing, races and seal inferior quality to what is used in automotive applications?

I had mine inspected and repacked by a local mechanic and asked him about the yearly requirement and he thought that it was unnecessary. I guess he had already made his boat payment for the month.

After posting the above I couldn't resist Googling and of course found lots of opinions on this question. The following opinion was posted by a retired automotive instructor:

Much truth has been stated concerning bearing packing. Our cars, trucks only needed repacking every 30-40K miles. So why do a TT every year? Boat trailers are immersed in water every summer so they should be inspected and repacked. My way of thinking is this. Yes TT's may be bearing a greater load than say a truck. The manufacturer should take this into consideration and put larger bearings on TT's that can carry more weight. If in fact they don't, packing them every year is not going to prevent an overloaded system from failing. If the grease lasted on our trucks for 35K miles then changing it yearly won't prevent bearing failure if it's overloaded. Here's what I do and I taught this for 35 years. Keep in mind that the bearing grease does not flow like oil. What is put on the bearing at the time of packing is what you get. Looking at grease that's not on the bearings tells you almost nothing unless it's overheated and running out. You have to inspect the grease to look for metal flakes which is a sign of metal fatigue and certain bearing failure. 1. Inspect the bearings and grease on the bearings, annually if you believe you need to. It won't hurt. When repacking use the best bearing grease you can get. I use Amzoil synthetic or Mobil 1. You can't get any better lube. Use the best seals you can get. Line the hub with a 1/4 inch layer of lube as a moisture barrier. Packing it full is not necessary since it will just stay there until you remove it the next time. Correctly pre-load and adjust your bearing clearance. Bearing side movement should be .001-.003. You should just feel the wheel move. Less than .001 may create to much heat and more than .003 may create to much side pressure and speed up the wear process. This is what I taught and did for 40 years and I have never had a bearing failure.
Just my 20 cents worth.
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Old 03-31-2014, 09:15 AM   #16
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Or put you on their seciruty watch list
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Old 03-31-2014, 09:39 AM   #17
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I have mostly done short trips with the odd 2 week thrown in, and after 4 years repacked my bearings. All was fine.

I am in no way advocating that others do this. Each must do maintenance to their own comfort level.
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Old 03-31-2014, 09:52 AM   #18
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Exactly. And consider this; a little grease may also be good for the skin.
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Old 03-31-2014, 11:09 AM   #19
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I always figured it was a throwback to when trailers, pop-ups mostly, had those tiny little wheels, 12"?. Due to the small size they heated up much quicker and were more prone to going bad.

Of course I could be full of it too.
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Old 03-31-2014, 08:39 PM   #20
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Quote:
Originally Posted by thoer View Post
Why would trailer bearings need such frequent servicing as compared to other vehicles? I can see with boat trailers that have their axles immersed in water, that more frequent service would be necessary, but why on RV trailers?
I have posed the same question myself, and never received a convincing answer.

Quote:
Originally Posted by thoer View Post
Are the bearing, races and seal inferior quality to what is used in automotive applications?
Yes, they probably are in many cases. Also, trailers tend to sit for a long time unused, and the theory often posted is that the top of the bearings will dry out, leading to corrosion. If that's all it is, jack up one side at a time and spin the wheel a couple times a year...
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