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Swollen lug nuts?


Madevilz
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Tried switching to my winter tires today, used a 19mm wrench, most of the nuts fitted, but some seems to be a tad bigger. I find it odd that the nuts are different sizes... then after looking around the web, it seems like the Fusion has problem with swollen lug nuts? Ill go to a shop to get them out... should I replace all my lug nuts with aftermarkets ones?

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Tried switching to my winter tires today, used a 19mm wrench, most of the nuts fitted, but some seems to be a tad bigger. I find it odd that the nuts are different sizes... then after looking around the web, it seems like the Fusion has problem with swollen lug nuts? Ill go to a shop to get them out... should I replace all my lug nuts with aftermarkets ones?

The lug nut gets damaged if the wrench isn't completely seated on the lug nut before it is turned.  I replaced all of mine with solid lug nuts that don't have caps, aluminum or otherwise.

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  • 3 months later...
2 hours ago, rbort said:

I think the real answer here is that they are damaged by impact guns.  Repair shops set torque high and they hammer the crap out of the nuts with the impact air gun.  If you remove and reinstall using a hand wrench they don’t “swell”.

 

-=>Raja.

They do if you are lazy and don't guarantee that the wrench is fully seated before turning the lug nut.

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It’s not about seating it’s about hammering and the outer shell gets loose from the inside part.  Also they use excessive torque and sometimes you try to take them off by hand they are very hard to loosen.  When you finally do the tire rim is stuck on the mounting surface and you have to rubber hammer it loose.  Seen that in the past from high torque impact guns.
 

my car has never seen that now almost 3 years old and I Rotate tires every 10k miles and they always fall off the mounting base when I remove the lug nuts.  Just saying something to keep in mind.

 

-=>Raja.

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