LiveFreeOrDieTryn2B
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Ok my passenger side rear hub was fairly warm when I ran it yesterday drivers side was not just repackaged them and new seals should I be concerned driving to Florida?
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deuce hub possible issue
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Jeepsinker
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If you don't have an infrared temp gun you should get one. Sometimes they feel much hotter than they really are. I've thought mine were too hot before, but when I hit them with the temp gun they were only 115-120 degrees. I would be comfortable with temps up to the area of 140-150 on longer runs. You'll find that the surface of the front tires gets up around 140 and the rears get around 115 alone, so hubs being in that range too are fine. If they run up around 180-200 there is something wrong, but of course the cooler they are the better.
LiveFreeOrDieTryn2B
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Why would one be cool and the other warmer?
RAYZER
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Sometimes just the friction of new seals will cause the hubs to heat up.
XchaosX
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Brakes could be adjusted too tight and are dragging. The inner axle nut could be over tightened.
LiveFreeOrDieTryn2B
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Ok I wanted to ask and I know you guys will always give me good advice and if I break down I know someone will hopefully be able to help thanks guys.
Jeepsinker
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I would suggest driving it around in your local area for a while to let things settle in and break the new seal in. I always do and it has worked for me so far.
nk14zp
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There was a batch of outer seals that ran hot and had to be put in a press to be fixed.
RAYZER
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I was advised by Steve 6x6x6 (the authority on Rockwell axles) to use a inner bearing race to set your inner seal because that's where it's going to properly ride on the hub.
Jeepsinker
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The inner seal shouldn't make it run hot.
LiveFreeOrDieTryn2B
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How do I check for proper brake ajustment when adjusting the slack adjustment?
My issue was on a trailer. I jacked it up to change the bearings and noticed that the brake was dragging a bit, but didn't think about it at the time. Ended up pulling the hub and finding the bearings in good shape, repacked them with a new seal (to replace the one I removed), and backing the brakes in several clicks on the adjuster before putting it back on. Spun it, to verify the brakes were not touching, went to the front of the trailer and applied the manual brakes to make sure they still engaged, and I was good to go.
Next trip I took several readings. Going down the highway they didn't build any heat. When going through the city with a lot of stop and go, the brakes would heat up the hub a bit. Another member suggested doing this and also reading the temp on the pumpkins when driving the truck to get an idea of what the numbers should be. This will allow you to know when you have a problem, or at least when the temperatures start getting higher.
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hot hubb not hot tubb
Get yourself an heatgun, .. will tell you wonderful things.
I find all six axles run different temperature with zero brake drag.
Get yourself an heatgun, .. will tell you wonderful things.
I find all six axles run different temperature with zero brake drag.
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barefootin
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Most likely as others have said it's brake adjustment. Jack that wheel up and see if it spins with light drag (or similar to another). Consult the TM's for proper course and fine adjustment methods if they need adjustment. It takes a little time, but something you need to know. If that doesn't help, check your bearing pre-load again......
nk14zp
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http://www.steelsoldiers.com/showthread.php?13324-hot-hubs&p=141992&viewfull=1#post141992
That was on a 5t but it's the same idea.
That was on a 5t but it's the same idea.
Flyingvan911
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Some aftermarket locking tabs are made incorrectly. The two pre-bent tabs are bent too close to the center. They won't slide over the inner nut.
Jeepsinker
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That's what a hammer is for!
LiveFreeOrDieTryn2B
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Well I 'll have to keep an eye on it and check everything else.
kcollum
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Had same problem after replacing seals and repacking bearings, three ran at 89F to 95F and the fourth at 135F IR gunned the brake drum 90F. Backed off two flats of the axle nut and rechecked 85F. Should have listened to my gut and not over tightening.