NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   frozen/rounded lug nut, what do I do? (https://www.nopistons.com/2nd-generation-specific-17/frozen-rounded-lug-nut-what-do-i-do-59918/)

Baldy 06-12-2006 10:12 AM

Had a flat/ripped tire. One lug nut was rusted, rounded, and looked like someone had tried hitting it with a chisel. We tried hammering on a smaller socket, no go. We tried chipping away at it with a cold chisel, and cutting it off with a dremel. It's mangled beyond belief now, luckily we didn't mark up the wheel too bad (and any marks will be under the center cap, it's a vert wheel).



So how can I get this damn thing off? The whole assembly on that corner is almost removed, just have to get the tie rod out of the steering knuckle, and it'll be loose. I had to get the car towed home, it pissed me off.



Once I get the hub off of the car, can I get to the back of the lug bolt to cut it? Since the lug nut is tapered, even if I cut it off flush it wouldn't free it. I'm afraid to drill, for messing up the aluminum wheel.

j9fd3s 06-12-2006 10:20 AM

we've had a couple of these on the rx8's, you have an air chisel?



plan b might be to drill out the stud...

Baldy 06-12-2006 10:41 AM

I think I'm going to end up drilling it out. There's nothing left there to chisel. I cut maybe 80% through the lug bolt before realizing it was tapere, and I don't even know if there are any remnants of the lug nut on there still. (but no, I don't have any air chisel...yet)

j9fd3s 06-12-2006 10:47 AM

yeah we've had to ruin a couple of wheels, i think drilling the stud will save the rims

jwteknix 06-12-2006 11:22 AM

what about an ez out?

toplessFC3Sman 06-12-2006 11:59 AM

what about grinding/cutting some flats into the nut and try tyising it off with a jumbo pair of locking pliers (maybr with a breaker bar too)



or let all the air out of the tire (ESSENTIAL STEP!!!), blow-torch it, then give it a try

Keegan 06-13-2006 03:02 AM

Man, thats a pain in the ass.



I always end up breaking the stud before a lugnut will ever round off. A much better situation, especially with a 5 lug https://www.nopistons.com/forums/pub...IR#>/smile.png



I say drill it too. Be patient about it and you probably won't have any problem if you're good (and lucky) https://www.nopistons.com/forums/pub...DIR#>/cool.png

amp 06-13-2006 07:27 AM

torch and hammer perhaps....

1988RedT2 06-13-2006 07:47 AM

May I suggest a big nut buster and an impact wrench? I've had good luck with that when access to the nut is good, and in the case of a lugnut, it should be easy to get to.

Baldy 06-13-2006 07:50 AM

The nut no longer resembles a nut, it's hard to even tell where the lug/lug nut stops and the wheels begins.

1988RedT2 06-13-2006 07:53 AM

So this wouldn't work?



Linkie

Baldy 06-13-2006 07:59 AM

Even when the nut was whole, I don't know if that would've worked, since there's very little space around the lug nuts on the vert wheel.

1988RedT2 06-13-2006 08:06 AM

Ouch. I don't know what else to suggest other than the BFH. I've always had the stud break long before the nut ever got torn up much, but then I only use a 6-point socket on lug nuts.



Shops routinely over-torque lug nuts to the point where it destroys the threads. https://www.nopistons.com/forums/pub...1047683358.gif



Good luck!

knonfs 06-13-2006 09:11 AM


Originally Posted by Baldy' post='823701' date='Jun 12 2006, 11:12 AM

Had a flat/ripped tire. One lug nut was rusted, rounded, and looked like someone had tried hitting it with a chisel. We tried hammering on a smaller socket, no go. We tried chipping away at it with a cold chisel, and cutting it off with a dremel. It's mangled beyond belief now, luckily we didn't mark up the wheel too bad (and any marks will be under the center cap, it's a vert wheel).



So how can I get this damn thing off? The whole assembly on that corner is almost removed, just have to get the tie rod out of the steering knuckle, and it'll be loose. I had to get the car towed home, it pissed me off.



Once I get the hub off of the car, can I get to the back of the lug bolt to cut it? Since the lug nut is tapered, even if I cut it off flush it wouldn't free it. I'm afraid to drill, for messing up the aluminum wheel.





When I bought the AE, the owner had lost the socket for the key lock nut :(



I ended up using an impact socket, hammered it with a 10lbs hammer (how you call those things?), and then used a breaker bar to unbolt the nut. Needless to say that the nut won't come off the socket, but at least I got the nut off https://www.nopistons.com/forums/pub...1047683329.gif



Just find a socket that *ALMOST* fit to the nut, here is the reason why the socket needs to be hamerred into the nut (the hardest part) https://www.nopistons.com/forums/pub...1047683358.gif

banzaitoyota 06-13-2006 09:15 AM

Buy some good drill bits and start drilling.



Your best bet is to remove the hub/knuckle/wheel and take it to a shop with a large mill and attack it with and endmill

Baldy 06-13-2006 09:40 AM


Originally Posted by banzaitoyota' post='823905' date='Jun 13 2006, 10:15 AM

Buy some good drill bits and start drilling.



Your best bet is to remove the hub/knuckle/wheel and take it to a shop with a large mill and attack it with and endmill

I was thinking that, there is a machine shop real close to my house. I can get the steering knuckle off I'm sure, just haven't done it yet.

knonfs 06-13-2006 10:20 AM


Originally Posted by knonfs' post='823903' date='Jun 13 2006, 10:11 AM

When I bought the AE, the owner had lost the socket for the key lock nut :(



I ended up using an impact socket, hammered it with a 10lbs hammer (how you call those things?), and then used a breaker bar to unbolt the nut. Needless to say that the nut won't come off the socket, but at least I got the nut off https://www.nopistons.com/forums/pub...1047683329.gif



Just find a socket that *ALMOST* fit to the nut, here is the reason why the socket needs to be hamerred into the nut (the hardest part) https://www.nopistons.com/forums/pub...1047683358.gif





Damn , my bad for the useless post https://www.nopistons.com/forums/pub...1047683664.gif



I thought you were trying to remove the wheel https://www.nopistons.com/forums/pub...1047683561.gif

Baldy 06-13-2006 12:20 PM


Originally Posted by knonfs' post='823928' date='Jun 13 2006, 11:20 AM

Damn , my bad for the useless post https://www.nopistons.com/forums/pub...1047683664.gif



I thought you were trying to remove the wheel https://www.nopistons.com/forums/pub...1047683561.gif

I am! We tried hammering on a socket, but it was either already cracked, or we cracked it.



I'd take a pic, but the car's out in my yard, and there's that whole tropical storm thing in my yard too.

knonfs 06-13-2006 12:57 PM


Originally Posted by Baldy' post='823955' date='Jun 13 2006, 01:20 PM

I am! We tried hammering on a socket, but it was either already cracked, or we cracked it.



I'd take a pic, but the car's out in my yard, and there's that whole tropical storm thing in my yard too.





Was it an impact socket?? Regular sockets won't whistand the 10lbs hammer :(

Baldy 06-13-2006 02:20 PM


Originally Posted by knonfs' post='823972' date='Jun 13 2006, 01:57 PM

Was it an impact socket?? Regular sockets won't whistand the 10lbs hammer :(

No, I have impact sockets, but I didn't have them with me at the time. This was in a restaurant parking lot away from my house.

Nospig 06-13-2006 03:20 PM

One sure way to unstick it is to weld a lever to it ( tig works best) the heat going in should free it , the bet of rod or what ever will let you undo it while it is hot.

toplessFC3Sman 06-13-2006 03:25 PM

wow, never heard of that method, but it sounds good... also sounds deliciously, beautifully ghetto

Keegan 06-14-2006 02:50 AM

That welding idea sounds pretty good. I know it is kind of hard to pull off though, especially if you don't have welding eqipment. But that is no reason to not try https://www.nopistons.com/forums/pub...1047683358.gif

Nospig 06-14-2006 04:12 PM

Maybe someone you know has a small portable welder , or a local fabrication shop .

jwteknix 06-14-2006 04:34 PM

JUST GET AN EZ OUT FROM THE LOCAL HARDWARE STORE FASTEST AND CHEAPEST WAY

knonfs 06-14-2006 06:00 PM


Originally Posted by jwteknix' post='824248' date='Jun 14 2006, 05:34 PM

JUST GET AN EZ OUT FROM THE LOCAL HARDWARE STORE FASTEST AND CHEAPEST WAY





It has to fit thru the rim nut hole; an easy out won't cut it, been there done that :(

rotary_pwr 06-14-2006 06:54 PM

hmm can you get some pictures? i think it would help out a bit if you provided some pics https://www.nopistons.com/forums/pub...R

Baldy 06-16-2006 07:41 AM


Originally Posted by rotary_pwr' post='824270' date='Jun 14 2006, 07:54 PM

hmm can you get some pictures? i think it would help out a bit if you provided some pics https://www.nopistons.com/forums/pub...R#>/tongue.png

Crappy camera phone pics I took on the way out the door this morning. The second one you can see better in the thumbnail form, and you may have to squint. You can sort of see how we cut at the lug nut.

j9fd3s 06-16-2006 08:44 AM

problem is its a tapered seat, i think drilling the stud is the best option.



we had an extra set of rims, so we just drilled the rim away and saved the stud

Baldy 06-16-2006 09:15 AM

The stud is replaceable, right?

j9fd3s 06-16-2006 10:12 AM

yeah it actually will pop right out if you hit it with a hammer

Baldy 06-16-2006 11:13 AM

Awesome. What is the back of the stud like? Would I be able to cut the back off, and just pop the stud and lug nut right through the wheel?

banzaitoyota 06-16-2006 11:34 AM

Think of the stud like a big pin. It has a shallow flat head to hold it against the seating surface. The Shoulder is knurled for a friction fit in the hole (prevents rotation) then you have the thredade portion that the lug screws too

Baldy 06-16-2006 11:48 AM

Ok. If I can, I'll just drill from the back, that way any slip won't immediately tear up the wheel. That is, if I can get access to that spot on a drill press.

j9fd3s 06-16-2006 02:55 PM


Originally Posted by Baldy' post='824592' date='Jun 16 2006, 09:48 AM

Ok. If I can, I'll just drill from the back, that way any slip won't immediately tear up the wheel. That is, if I can get access to that spot on a drill press.



i think you can if you pop off the whole hub assembly

Keegan 06-17-2006 04:49 AM

My car is on ramps and not driving for a few more days, if you need me to, I can pull off my wheel and give you some kind of idea of what is possible. It's been at least a year since I even put brakes on the car, so I really don't remember what order the parts go on. I'm afraid though, that even with the knuckle off, you won't be able to get the hub out, unless you have already done the hub mod for replaceable bearings.



I can check on this for you later this weekend if you haven't figured anything out yet.

Baldy 06-19-2006 08:53 AM


Originally Posted by Keegan' post='824712' date='Jun 17 2006, 05:49 AM

My car is on ramps and not driving for a few more days, if you need me to, I can pull off my wheel and give you some kind of idea of what is possible. It's been at least a year since I even put brakes on the car, so I really don't remember what order the parts go on. I'm afraid though, that even with the knuckle off, you won't be able to get the hub out, unless you have already done the hub mod for replaceable bearings.



I can check on this for you later this weekend if you haven't figured anything out yet.

That would be awesome, the earliest I can get to mine would most likely be Wednesday.


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