Wheels and Tires

Winter/Summer tire swap (and maybe changing lug nuts)

  • Last Updated:
  • May 3rd, 2019 11:48 am
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[OP]
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Aug 21, 2007
2081 posts
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Winter/Summer tire swap (and maybe changing lug nuts)

Hey all,

I'm encountering all sorts of issues when doing the swap. My impact sockets do not fit within the lug openings. They are too thick? Googling around, it seems the "correct" lug nut size is 13/16" or 21mm (the same).

I have this socket set:

https://www.canadiantire.ca/en/pdp/maxi ... p.html#srp

I guess this wheel requires a "thin" socket set, so I went out and bought this kit and it kind if fits but the nuts are now too short:

https://www.canadiantire.ca/en/pdp/moto ... p.html#srp

So now I'm thinking maybe Canadian Tire technicians used crappy lug nuts? I went out and 1 set of these longer nuts:

https://www.walmart.ca/en/ip/fastco-aco ... 0194078373

But note that they are much different in shape:

Image
Image

Before I go out and buy another 4 sets (for a total of 20 lug nugs), are there any dangers to switching to this kind of lug nut? Why are the shapes so different?
Last edited by SomeGuyNamedBob on May 5th, 2019 10:19 am, edited 4 times in total.
7 replies
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Jul 26, 2007
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Toronto
Open the trunk and get the spare tire lug wrench. Use that to finish the job and sort out the mess tomorrow.
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Dec 19, 2005
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What aftermarket rims do you have that your sockets don't fit?
“You miss 100% of the shots you don’t take. -Wayne Gretzky"
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Sep 8, 2017
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GTA
Can you take some pictures of trying to put the Touren wheels on with the OEM lug nuts, using the socket that came with the lug wrench set you bought?

Those impact sockets you have aren't going to be good for lug nuts in general. Impact sockets are thicker than standard sockets do they take up a lot more space.

If you're using an impact wrench on lug nuts, then you need thin-walled lug nut impact sockets.

Image

But if you're working by hand, then the sockets that came with that lug wrench set should work.

I see that you still have the OEM lug nuts. The ones on the left. If those aren't working with the socket from the lug wrench set, then I think you need tuner lugs.

Tuner lugs will give you the most amount of clearance. Just make sure the set you buy comes with a key with the 21mm hex. This is so that you can still use the lug wrench in the trunk to put on the spare tire.

Image
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Jun 12, 2007
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London
derass wrote: Can you take some pictures of trying to put the Touren wheels on with the OEM lug nuts, using the socket that came with the lug wrench set you bought?

Those impact sockets you have aren't going to be good for lug nuts in general. Impact sockets are thicker than standard sockets do they take up a lot more space.
..
...
Tuner lugs will give you the most amount of clearance. Just make sure the set you buy comes with a key with the 21mm hex. This is so that you can still use the lug wrench in the trunk to put on the spare tire. ..
+1
Many aftermarket rims (in particular many sold by CT) are designed to only use tuner style lug nuts (aka spline nuts). They aren’t intended to work with regular lug nuts

For the two lug nut styles in the OP, what’s happening is the socket is not sliding all the way in so it can’t grab the shorter lug nut. The socket does get in far enough to grab the top edges of the longer lug nut which is also undesirable.

Either try the thin wall socket set shown in the above post or a set of tuner nuts (probably the way to go)
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Mar 1, 2005
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Toronto
So you’re using 18’s for winter and 16’s for summer?

My dad has the same wheels in 17” or 18” and I was able to use the Mastercraft impact socket set.

Do you already have 2 sets of lugs or are you using the factory set?

From the looks of it the monkeys at CT rounded the lugs so the sockets won’t fit over them, especially if you can get the socket over the new lugs.
:arrowd: B/S/T Threads :arrowd:
[FS] N/A
[WTB] N/A
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Feb 11, 2007
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Oakville
SomeGuyNamedBob wrote: Hey all,

In the past I've gotten my tire swaps done at Canadian Tire (and purchased my wheels and tires there), and this year I am trying to change the winter to summer tires myself. I got the winter wheels off no problem, but getting the summer wheels back on is proving to be a huge challenge. The car is 2010 Kia Soul 4u it came with 18" wheels but I bought these 16" instead (since tires are so much cheaper to replace in the smaller size):

https://www.canadiantire.ca/en/wheels/p ... #Questions

I'm encountering all sorts of issues when doing the swap. My impact sockets do not fit within the lug openings. They are too thick? Googling around, it seems the "correct" lug nut size is 13/16" or 21mm (the same).

I have this socket set:

https://www.canadiantire.ca/en/pdp/maxi ... p.html#srp

I guess this wheel requires a "thin" socket set, so I went out and bought this kit but it's still too tight (and not deep enough):

https://www.canadiantire.ca/en/pdp/moto ... p.html#srp

So now I'm thinking maybe Canadian Tire technicians used crappy lug nuts? I went out and 1 set of these and they seem to work better as they are narrower:

https://www.walmart.ca/en/ip/fastco-aco ... 0194078373

But note that they are much different in shape:

Image
Image

Before I go out and buy another 4 sets (for a total of 20 lug nugs), are there any dangers to switching to this kind of lug nut? Why are the shapes so different? I figured all 21mm lug nuts would have the same internal/external diameter, but the behaviours is clearly different.... Could it be that CT installed 22mm lug nuts instead of 21mm?

I do wonder how CT got those lug nuts on in the first place (last summer when I bought them) -- maybe I'm not using the right tools?
First off, don't use an impact gun to remove and install the nuts. Loosen them by hand with a breaker bar and tighten them with a torque wrench. You don't need thick walled sockets, regular ones will do.

Have the 16in wheels ever been mounted before?
Do the 16in wheels have the same bolt flange as the stock wheels? ie. where the profile of the nut meets the wheel. Both of your nuts looks like they have the same tapered fit.
I don't see any reason why your original bolts won't work, unless the 16in wheels have a different offset, and it's preventing them from engaging with the stud. If that's the case, your only option is to return the wheels or have new, longer studs pressed in.

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