rear axle wheel. seal - Dodge Cummins Diesel Forum

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Old 08-11-2011, 11:05 AM   #1 (permalink)
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rear axle wheel. seal

My 93 dually has a 70u rear axle, I have replaced the seals 2 times and they still seap. Where can I get speedy sleves for it?
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Old 08-11-2011, 12:43 PM   #2 (permalink)
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Anyplace that sells the seals should be able to get the speedy sleeves.
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Old 08-11-2011, 08:50 PM   #3 (permalink)
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most of the parts stores carry them...of course, if you get a young kid behind the counter, he'll have a clueless look on his face if when you ask for one...haha
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Old 08-12-2011, 08:09 AM   #4 (permalink)
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A couple questions since I know these are a pain to pull apart. sure it's not a leaky wheel cylinder? Lubing the spindle so the seal isn't dry on install (that will burn the new seal right away) Bearings not loose and allowing the hub to wobble and break the seal? Is it leaking between the spindle and seal or the seal and hub (a gouge in the hub from pulling out an old seal will cause a leak, clean the scratch and a light smear of silicone helps this) If the spindle is rusty, gouged or grooved a speedy sleeve will fix that but not the other problems.
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Old 08-13-2011, 01:10 AM   #5 (permalink)
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Check that the axle vent tube is not obstructed.

I had the same problem with perpetually leaking wheel seals, when i was swapping to rear discs I noticed that a previous owner capped the vent line. So when it got hot and pressure built the wheel seals were the weakest link.
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Old 08-13-2011, 08:46 AM   #6 (permalink)
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Make sure your getting the oil seals, There are grease seals The lip on the seal is differant and they will seep if not for oil.
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Old 02-13-2012, 03:39 PM   #7 (permalink)
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This really helped. I'd never heard of speedy sleves so I'll check into it. I do have grooves but of note, My axle vent was completely plugged up. It wasn't evident at first because the tube was fine. It was the tapped fitting into the tube that was plugged up airtight. Thanks for the help.
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