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Old 07-08-2019, 05:30 AM   #1
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Bearings Failed

We had a bearing failure last week while traveling. Scary to look back and see smoke rolling out of the tires. Luckly stopped just in time before tire came off. Turns out shop that did repack last week over tightened all the wheels and we were very close to losing all the bearings. Took a breaker bar to get retaining nut loose on all axles. Had to replace all bearins and seals, two hubs, and two backer plates. Had to chain up axle and go twenty miles to nearest repair shop.
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Old 07-08-2019, 01:52 PM   #2
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In 20 years of TTs and 5ers, the only bearing failure I had was shortly after have bearing service done.
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Old 07-08-2019, 05:35 PM   #3
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this was the first time for us also and it was right after service and repack. I took it to a new place and apparently they do not know how to repack and tighten correctly. It took a breaker bar to free the retaining nut on the rest of the axels. We could barely turn the wheels by hand. Lucky I did not lose more than the two or have an accident with wheels coming off. I have appointment with Manger today to go over this with them and hopefully get reimbursed for the repairs.
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Old 07-08-2019, 06:55 PM   #4
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Good timing on this topic..

Is the rule still to tighten the nut to about 50# then backoff.. Once finger lose then tighten by fingers and place retaining clip back on..

Or am I missing a change or something..
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Old 07-08-2019, 08:50 PM   #5
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Joe, think that's correct. There has been a thread on the Montana Forum covering this same issue and your method seems to be the correct way.
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Old 07-08-2019, 10:01 PM   #6
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Quote:
Originally Posted by Ford truck guy View Post
Good timing on this topic..

Is the rule still to tighten the nut to about 50# then backoff.. Once finger lose then tighten by fingers and place retaining clip back on..

Or am I missing a change or something..


loose will live for EVER , tight will not survive 1 hour of constant high way speeds. Sad , back 20 +years ago cars had repackable front bearing in the disk brakes . Today these part swapping kids only know how to put something new in... gone is the days of a mechanic that can rebuild and repair .

I don't take it to 50Ft lb but maybe 25 then spin it and then back it off to finger tight .
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Old 07-08-2019, 10:36 PM   #7
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That is the correct tightening method, Apparently that was not followed in this case. They are not correct. I guess the old adage if you want it right do it your self.
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Old 07-09-2019, 11:57 PM   #8
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I would add that when finished you should be able to move the nut and retainer a little bit.
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Old 07-11-2019, 03:35 PM   #9
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Think about if you really even need to do that repack. Tapered roller bearings on your car typically ran 40-50K miles before repack at the next brake job.
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Old 07-12-2019, 04:23 AM   #10
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Think about if you really even need to do that repack. Tapered roller bearings on your car typically ran 40-50K miles before repack at the next brake job.
You haven't been able to repack bearings on most vehicles in the last 20+ years, just replace the hub with sealed bearings already installed. Possibly some of the 4x4s it's still.
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