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#4648220 - 01/27/18 05:48 PM Trailer lug nuts not threading on by hand?
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4718
Loc: Houston, Texas
They weren't crossed threaded, at first I thought it was cause the studs were painted. Is it just a case of poor Chinese machining? I've always been able to thread lug nuts down by hand easily. I had to use the lever of the socket in my hand to get them to spin on.
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2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4648253 - 01/27/18 06:19 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Kira Offline


Registered: 08/19/10
Posts: 4893
Loc: Champlain/Hudson Valley
You thought it was because the lugs were painted? Wasn't it?
Are the lugs clean now? Wire brush the paint off and see if it gets easier.

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#4648300 - 01/27/18 07:10 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4718
Loc: Houston, Texas
No they're still pretty tight.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4648301 - 01/27/18 07:10 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4718
Loc: Houston, Texas
They still torqued down good and everything, so it's whatever. I'm just curious how common this is.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4648307 - 01/27/18 07:16 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Kestas Online   content



Registered: 06/04/02
Posts: 12221
Loc: The Motor City
You may have caught a burr somewhere. Only a good inspection of the components will give you the answer.

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#4648313 - 01/27/18 07:23 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Linctex Offline


Registered: 12/31/16
Posts: 5706
Loc: Waco, TX
Originally Posted By: motor_oil_madman
I'm just curious how common this is.


It is NOT common.

Something is machined wrong, either studs or nuts.
Find out which it is and have them replaced.
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#4648464 - 01/27/18 09:56 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Chris142 Offline


Registered: 06/05/03
Posts: 16525
Loc: Deplorable in apple valley, ca
They were over torqued at one time.
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#4648473 - 01/27/18 10:18 PM Re: Trailer lug nuts not threading on by hand? [Re: Chris142]
Reddy45 Online   shocked


Registered: 08/15/08
Posts: 2734
Loc: USA
Originally Posted By: Chris142
They were over torqued at one time.


Yup this. The metal deformed at some point so now the thread pitch is not what it should be.

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#4648574 - 01/28/18 01:27 AM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4718
Loc: Houston, Texas
Great. So I have 24 studs that need to be pulled out and replaced?
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4648582 - 01/28/18 02:23 AM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Black_Thunder Offline


Registered: 09/23/06
Posts: 1269
Loc: Wisconsin
are you using new lugnuts or the ones that were on it (used)


maybe just try a new nut, try threading it on the studs by hand, and if doesn't thread on then the studs are stretched.
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#4648677 - 01/28/18 07:07 AM Re: Trailer lug nuts not threading on by hand? [Re: Chris142]
Driz Offline


Registered: 09/23/07
Posts: 252
Loc: northern NY
Originally Posted By: Chris142
They were over torqued at one time.


There ya go! Some meat stick with a bigass air gun hammered em one once upon a time and stretched the threads. I start all mine by fingers then snug em with setting 1 on my Aircat. Then finish that last half turn or so by hand. No more deformed threads. Just grab new ones anywhrere They pound on from the back usually.

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#4648685 - 01/28/18 07:21 AM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
irv Offline


Registered: 10/08/06
Posts: 935
Loc: Oshawa, Ont. Canada
Originally Posted By: motor_oil_madman
They weren't crossed threaded, at first I thought it was cause the studs were painted. Is it just a case of poor Chinese machining? I've always been able to thread lug nuts down by hand easily. I had to use the lever of the socket in my hand to get them to spin on.


I assume this was your first time doing this with these lug nuts? If so, it doesn't surprise me. When I purchased snowy's for my wife's 2017 Impala last November, I found the same thing when I installed the new lug nuts that came with them as a package.
Some would spin on OK but most caused me some greive of some sort.

I wrote it off as likely being cheap, mass produced, low on quality control, Chinese junk. They were also smaller (OD) than the stockers but they did go on nonetheless.
I originally torqued them to 110 foot Lbs then rechecked after about 50-100 kms and noticed some had backed off slightly, to which I retorqued them to 115 foot Lbs.
I just checked them again last week-end and all were still good. My fear is, once spring comes and I go to remove them, the chrome on them will spin/break on me and of course I'll be in a pickle like I have experienced before.

We'll see how that goes and that will determine if I use them again next winter?

Edit: Meant to add, the studs on this car were in great shape, as they should be with only 20,000 kms on the car. No visible rust/corrosion on them that I seen.







Edited by irv (01/28/18 07:24 AM)
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#4648726 - 01/28/18 08:17 AM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4718
Loc: Houston, Texas
Yep. Trailer is only 6 months old. First time off.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4649098 - 01/28/18 01:13 PM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
andyd Online   content


Registered: 09/25/04
Posts: 6875
Loc: Marshfield , MA
Would a die move the threads back into their proper pitch ? MOM I feel your pain, It took me a weekend to remove a wheel whose studs had been over torqued. 3 studs were spinning on the the hub.
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#4649716 - 01/29/18 02:45 AM Re: Trailer lug nuts not threading on by hand? [Re: motor_oil_madman]
Black_Thunder Offline


Registered: 09/23/06
Posts: 1269
Loc: Wisconsin
Originally Posted By: motor_oil_madman
Yep. Trailer is only 6 months old. First time off.



can you get a close up picture of what the studs look like?



any kind of dirt build up or anything?
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I'd buy Callahan autoparts if I could.

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