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Old 05-27-2014, 06:20 AM   #1
mark244turbo
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Default stripped / rounded / sheared wheel nut

Someone overtightened the wheel nuts of my 740. I got most of them loose by jumping on a wheel wrench, but one bolt won't move a bit. I tried an extension bar, impact wrench, heat..but without succes. And now the nut is stripped / sheared or rounded.

Any suggestions on how to remove a stuck rounded wheel nut?
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Old 05-27-2014, 07:38 AM   #2
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Cut it off. Impact hammer, die grinder, cut off wheel....whatever it takes. You'll need a new stud of course.
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Old 05-27-2014, 09:25 AM   #3
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FWIW....

You do know that it's a *METRIC* lug nut on 740s.....right?

I say this because many presume it's same as a 240 lug nut but it *is not* a 1/2-20 stud with 3/4" socket size lug nut like on a 240.

Hence many inexperienced owners/tire guys use a standard 3/4 (or 13/16th if been changed ) lug wrench on the 740's lug nuts thus rounding them off
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Old 05-27-2014, 11:15 AM   #4
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You MAY be able to take a Dremel and cut the nut off the stud and leave the stud in place. A faucet wrench or pipe wrench may get it to loosen up, Failing all that, yep you're in for a new metric stud and proper lug nut. No matter what, I'll bet you'll be very careful about who works on your tires and wheels.
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Old 05-27-2014, 12:19 PM   #5
mark244turbo
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i am aware the nut is metric nut (19mm), i used the proper socket.
Cutting the nut off is not really an option. The nut sits completely embedded in a polaris rim, and i don't want to damage the rim.

I think the guy doing the MOT overtightened the wheel nut or used an impact tool. All nuts were really tight, but finally gave way, except this one.

I rounded the nut when trying to free it with an extension bar.

Last edited by mark244turbo; 05-27-2014 at 12:27 PM..
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Old 05-27-2014, 12:25 PM   #6
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Get a cheap twelve point or spline socket that is just barely too small to fit on your rounded nut. Pound it over the nut using a large ball-peen hammer. Hit it with a bigger impact or longer cheater pipe.
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Old 05-27-2014, 12:26 PM   #7
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Remove the wheel bearing/hub.... Once removed you should be able to cut off the stud and press out /drill out from the back side. You might or might not have to take the brakes off also.

Otherwise weld on or hammer on wasted socket and go from there.
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Old 05-27-2014, 12:26 PM   #8
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There's no magic cure that I know off. It has to come off. Perhaps drill with successively larger bits until the nut can be broken. If you can make the hole large enough, a cold chisel will eventually split it.
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Old 05-27-2014, 12:35 PM   #9
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Maybe make a mark with a chisel in the stud and drill it out? When you've drilled with a big enough drill bit past the nut you should be able to break it off. Then pound the remains of the stud out and replace it.
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Old 05-27-2014, 05:48 PM   #10
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get some penetrating oil on there
take a deep socket that fits over the stud , and set it against the offending nut.
Now with a 3-4 LB hammer hammer that socket toward the wheel.
Hit it hard for about 20minutes, and the nut will get loose.
Then like Lando suggests, hammer on a socket that doesn't quite fit, or an extractor.
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Old 05-27-2014, 06:17 PM   #11
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A hardened non-plated socket designed for an impact gun might work better and usually resist splitting like the chrome plated units.
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Old 05-27-2014, 07:14 PM   #12
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Lug but extractor should work. Short burst with the impact will do wonders.
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Old 05-28-2014, 01:29 AM   #13
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Quote:
Originally Posted by mopar318 View Post
Lug but extractor should work. Short burst with the impact will do wonders.
I've got a set of extractor sockets that have bailed me out of situations like this, works like an easy out. An easy out might work in this case as well.
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Old 05-28-2014, 01:45 AM   #14
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weld on a bolt
the heat will loose the rust and it should come off easy
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Old 05-28-2014, 04:09 AM   #15
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Wow....thanks guys....thats a lot of methods to choose from.
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Old 05-28-2014, 08:48 AM   #16
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Grab wheel rock back and forth until stud breaks, replace.
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Old 06-07-2014, 10:35 AM   #17
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I bought an wheel nut extractor set. Hammered the socket on the nut and was able to free it with a long bar.
Now i only need a new lock nut.

Problem fixed!
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