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25th Sep 2021, 03:18 PM #1
Mag wheel nut cactus ! How to get off?
A mate who’s doing it a bit tough has bought a Toyota Lightace and possibly started down a rabbit hole.
Its a grey import, which he didn’t realise till he went to buy bits for it.
Anyhu latest drama some clown has used a cold chisel to try and remove a mag wheel nut.
They are normally undone with a 12mm Allen head adapter for a wheel brace.
Studs seam a bit long so 12mm Allen head doesn’t get much grip, probably the start of the problem.
I’ve suggested welding something onto the damaged area but that will only give a quarter turn at best. Or a Allen driver into the nut.
This plus the heat from the welding may enable the nut to be started.
Any thoughts?
He is talking about drilling the stud out in situ but this seems like hard work to me?
I’ve given it a swirt of reuducter bolt buster which I use for frozen stuff myself.
H.
Photos show new nut and Allen driver,
Damaged nut on wheel.
Driver in undamaged nut for depth of engagement.Last edited by clear out; 25th Sep 2021 at 03:20 PM. Reason: I never could spell but this gets embarrassing.
Jimcracks for the rich and/or wealthy. (aka GKB '88)
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25th Sep 2021, 03:31 PM #2China
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Just split the nut length wise with a cold chisel or if you have access a air hammer, stud is most likely damaged and will need to be replaced
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25th Sep 2021, 04:35 PM #3Senior Member
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I think that this would be very difficult without damaging the wheel.
I would weld a bolt that just fits into the socket ,12mm? , as stated above the heat may well loosen the nut and hopefully it should be able to be undone using a spanner on the head of the bolt.
Whatever you do will require care not to damage the wheel.
Good luck.Regards
Bradford
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25th Sep 2021, 04:50 PM #4Diamond Member
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With the limited access available, it might be difficult to split the nut with a cold chisel, I think that I would go with welding something onto the nut. If the nut was ground out with a rotary burr in the weld area, it should be possible to weld a 12mm bolt to the nut, and if the bolt was ground out with a U or V shape for the weld, it should be possible to get a full turn on the bolt, without running into clearance issues. After a partial turn, more weld could be added to the newly exposed section. Any lumps could be ground down or even left there if not too bad, although they would scratch the wheel a bit. A tig welder might be pretty handy here if you have one available and have the necessary expertise to use it. Good luck
Edit: Bradford well and truly beat me to it.
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25th Sep 2021, 06:06 PM #5Most Valued Member
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If you let me know what the Model and Frame numbers are for the vehicle, I can help with part number searches.
Nev.
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25th Sep 2021, 06:50 PM #6
There are wheel nut removers but they need space to go over the nut which you do not have. If the intent is to reuse the wheels then I would probably drill the stud as well.
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25th Sep 2021, 08:44 PM #7
What ever method you use, I would suggest that the other wheel nuts, or at least the adjoining ones are on and done up tight. This might relieve a fraction of tension on the problem nut.
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26th Sep 2021, 08:50 AM #8
Not sure pne will fit but a stud removal tool might be worth giiving a try
https://www.ebay.com.au/itm/17480493...AaAjd2EALw_wcB
Sent from my SM-T580 using Tapatalk
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26th Sep 2021, 12:42 PM #9
Thanks Ray and everyone else for your input.
I guess we’ll be having a go at this next week.
That stud remover will probably be needed as we’re sure to mangle the stud getting the nut off.
H.Jimcracks for the rich and/or wealthy. (aka GKB '88)
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26th Sep 2021, 12:58 PM #10
Most wheel studs are interference push fit with splines and a head on the backside, you press them in and out. Do not use a stud remover to attempt to unscrew it.
stud.jpg
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26th Sep 2021, 01:12 PM #11
Droog,
Is right on the money, I would be trying to use a cold chisel to split the nut.
I’ve done this many times in a past career(Panel Beater).
Granted it’s not easy,you do need to be careful especially if your trying to safe the wheel.
And the chisel needs to be sharp, an it can be difficult.
Once the wheel is removed you can then knock the stud through, from the front with a heavy punch an hammer.
Cheers Matt.
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26th Sep 2021, 06:30 PM #12Senior Member
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I totally agree, except that a slightly blunt chisel will be better if you are trying to undo the nut rather than split it. Another way, provided that you can remove the brake caliper with the wheel in place, is to undo the axle nut and remove the hub and wheel from the axle as a unit. You will then have access to the flange of the wheel stud which can be drilled or ground away, allowing the body of the stud to be punched forward thru the hub. This may not work if the brake rotor is fastened to the hub with screws.
Chas.Last edited by Chas; 26th Sep 2021 at 06:40 PM. Reason: Added caution.
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27th Sep 2021, 05:32 PM #13
Sorry henry I meant to use the stud remove on the nut. As has been said studs for wheels are spline fitted.
Dremel grind or similar 2 sides of the nut as far through as possible then split it.
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27th Sep 2021, 08:38 PM #14
The nut is located well below the surface of the wheel for more than 50% of its circumference, there are specific tools just for this purpose but if the aim is to reuse the wheel none of them will work in this case.
https://www.ebay.com.au/itm/311505369471
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28th Sep 2021, 06:25 PM #15Senior Member
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