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post #1 of (permalink) Old 12-04-2002, 08:30 PM
ramekr
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ejecting lugnuts

I seem to have an on going problem with my left rear wheel.I torque the nuts down and within a few days they are loose again. This seems to be a recent problem that almost killed me one nite. I make an effort to check them occationaly but one nite while driving i heard a noise as if a u joint was going and within a a matter of seconds of the noise the wheel came off. Surprisingly no damage to any thing but a real scare and wake up. I now check all the wheels every morning and all seem to be ok except the left rear which I can always seem to give a little extra tweek. Is this a unique problem or common to Jeeps?
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post #2 of (permalink) Old 12-04-2002, 08:47 PM
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Re: ejecting lugnuts

1. Examine the threads of the studs and bolts for excess oil residue.
2. If no residue... it's likely a vibration causing the loose lug nuts.
3. Are you using aluminum wheels?
4. Is the drum and axle flange mating surfaces clean?
5. Are the drums straight?
6. What's the mating surface under the bolt, on the drum, look like?
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post #3 of (permalink) Old 12-05-2002, 05:39 AM
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Re: ejecting lugnuts

You may try a new set of lugs if you haven't already.
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post #4 of (permalink) Old 12-05-2002, 05:43 AM
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Re: ejecting lugnuts

And if that doesn't fix it, wrap the whole mess in duct tape [img]images/graemlins/smile.gif[/img]
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post #5 of (permalink) Old 12-05-2002, 07:34 AM
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Re: ejecting lugnuts

Or swap to left hand threads like the old cars on the left side. [img]images/graemlins/laugh.gif[/img]
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post #6 of (permalink) Old 12-05-2002, 08:10 AM
 
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Re: ejecting lugnuts

I haven't done it before and can sense some reluctance, but how about mild strength Loctite. Seems to me that will stop the problem. Get the right stuff-the removable one.
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post #7 of (permalink) Old 12-05-2002, 11:56 AM
 
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Re: ejecting lugnuts

When I was a kid, I had the left front wheel of my pickup come off in an intersection on the way to high school. The problem was I had listened to someone who had "guessed" that wheel lug nuts only need to be torqued to 35 ftlbs! Actually torque spec on that rig was 80 ft lbs. A couple things I would do:

1. Replace the lug nuts.
2. Replace the lug bolts/studs.
3. Check to make sure the drum is on all the way, and not binding a little and keeping you from getting it, and hence the rim, all the way on.

Also, are you torquing your lugs, or just bringing them up tight? My father, a mechanic of 61 years and 40+ years of experience likes to laugh at me because I use a torque wrench on EVERYTHING. He can laugh, but I like to know exactly where I'm at on stuff like that since I don't wrench nearly enough to do it by feel like him. Just my .02! Let us know what you find!
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post #8 of (permalink) Old 12-05-2002, 12:39 PM
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Re: ejecting lugnuts

A buddy of mine had problems with keeping lugnuts tight after putting on some Swampers. so he dabbed a little lock tite on the threads and it solved his problems. granted his problem was the wobble of his bias-ply tires and it happened on all wheels. I'd be wondering why it's only happeneing on that left back tire in your case???? Try to figure out why then fix the problem. Like mentioned before, you may have mis matched lugnuts or something. But a little locktite my save you from loosing a tire again in the mean time.

brent
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post #9 of (permalink) Old 12-06-2002, 12:33 PM
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Re: ejecting lugnuts

As mentioned, if they are aluminim wheels, replace the wheel. I have been told and have seen on several wheels, once an aluminum wheel has worked loose, it will not stay tight. I don't know if it is caused by warpage or stress risers that cause the wheel to flex, or what, but I know you need to replace them. Way to check, rotate tires and see if problem follows the wheel or stays in the same location. I would sugest replacing studs and lugs anyway. They probably have exceeded there life through repeated installations.
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post #10 of (permalink) Old 12-06-2002, 01:34 PM
 
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Re: ejecting lugnuts

its possible that you have the incorrect lug nuts for aluminum rims. if your rims are like mine, where they are made to fit a number of applications, there is usually some space around the the stud. you need a lug nut that can actually thread partly inside of the rim. kinda hard to explain, but needless to say, as thick as aluminum rims are compared to steel, a normal human type lug nut just doesn't grab enough thread to do the job.
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