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re: Swollen lug nuts
Posted on 10/16/23 at 1:34 pm to lsugrad35
Posted on 10/16/23 at 1:34 pm to lsugrad35
Witnessed this in a local tire shop a month back. Truck was an F-150 with aftermarket rims. The Mexican doing the removal took the socket and pounded the socket with a hammer onto the lug nuts. Guessing the truck owner was told ‘you need to get new lug nuts’
0
Posted on 10/16/23 at 1:36 pm to lsugrad35
Came here to provide advice on what appears to be a totally unrelated topic to OP. Nevertheless, the OP sounds silly until reading everyone's saying it absolutely happens. That's a shite design for sure.
Posted on 10/16/23 at 2:40 pm to lsugrad35
By swollen I assume you mean larger so that the socket won't fit over them. Sounds like cheap lug nuts that are fatiqued. They are loaded in tension when tightened properly. Tension on nut threads are trying to pull them toward and secure the wheel.. Threads are pushing against the stud threads (which are normally incredibly strong).
Outer body of lug nuts is not strong enough to resist the outward force caused by the thread ramp engagement under tension so the lug nuts are "swelling". You either need stronger lug nuts or lug nuts with longer threads to spread the tension force out more.
Sounds like you have some cheaper lug nuts or someone over-torqued the hell out of them. Change them. Potentially dangers since the swelling means they are moving away from the studs and you get to the point where you can start shearing the threads off.
Replace them with quality lug nuts.
Outer body of lug nuts is not strong enough to resist the outward force caused by the thread ramp engagement under tension so the lug nuts are "swelling". You either need stronger lug nuts or lug nuts with longer threads to spread the tension force out more.
Sounds like you have some cheaper lug nuts or someone over-torqued the hell out of them. Change them. Potentially dangers since the swelling means they are moving away from the studs and you get to the point where you can start shearing the threads off.
Replace them with quality lug nuts.
Posted on 10/16/23 at 3:09 pm to Tridentds
quote:
By swollen I assume you mean larger so that the socket won't fit over them. Sounds like cheap lug nuts that are fatiqued.
No. By swollen they mean the metal that cases the core of the lugnut is being deformed. My F150 has solid steel two-piece lugnuts that have zero issues with this problem. Not just Ford either, other brands use these cased lugnuts and they all have the same problem eventually. I have a high-torque cordless impact and a special socket for removing these kinds of lugnuts if I ever run into one again, it destroys the lugnut but it will absolutely remove it without damaging the wheel or hub.
Posted on 10/16/23 at 3:17 pm to lsugrad35
Am I the only one that thought of Johnny Dangerously?
Posted on 10/16/23 at 3:23 pm to lsugrad35
Dealt with this a while back on my 2018 ford. I learned about it on the side of I-45 after a blowout. Had the spare and tools all out only to learn the lug wrench supplied with the truck didn't fit. Luckily a there is a program that pays tow truck drivers to get you off the interstate at no charge to me and there was a tire shop right around the corner. Tow truck driver said he'd seen it plenty of times and he wasn't even going to attempt because the lug would just get stuck in his impact socket. It's a cap on top of the actual lug that the wrench fits on and it's a known issue that it swells. Replaced them all at the tire shop right then and there.
Posted on 10/16/23 at 3:33 pm to Clames
Very interesting. I was not aware of this particular issue. 
Posted on 10/16/23 at 4:23 pm to lsugrad35
Think the OEM may be aluminum vs steel that don’t swell, at least what Discount Tire told me. It was on an Infiniti M37x.
Posted on 10/16/23 at 5:00 pm to Lonnie Utah
quote:The swollen ones take about a 21.5mm-dealt with this on my OLs nuts a few weeks back. Will change them soon.
I'll get the proper 21mm socket...
Posted on 10/16/23 at 11:00 pm to White Bear
Ran into this on a Toyota. The lug wrench that came with the car would not fit over the lug nuts. Fortunately, we had an impact wrench with a set of sockets. One fit enough to remove the wheel, but it boogered up the lug nuts pretty bad.
Discount Tire explained that there were “beauty caps” of soft arse metal over the steel lug nuts. The person responsible at Toyota should be shot by a firing squad. There is no hint of this in the manual and no way I could see to remove the caps so that the Toyota-provided lug wrench would actually fit.
Discount Tire offered me a set of nice looking lug nuts with no caps, and I happily paid $50 to swap them out on all four wheels.
Discount Tire explained that there were “beauty caps” of soft arse metal over the steel lug nuts. The person responsible at Toyota should be shot by a firing squad. There is no hint of this in the manual and no way I could see to remove the caps so that the Toyota-provided lug wrench would actually fit.
Discount Tire offered me a set of nice looking lug nuts with no caps, and I happily paid $50 to swap them out on all four wheels.
Posted on 10/17/23 at 6:25 am to lsugrad35
quote:
Swollen lug nuts
Pussy impact wrench and they could not find a cheater pipe.
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