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Breaking wheel studs?

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Offline keith

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Breaking wheel studs?
« on: July 01, 2004, 01:15:03 AM »
Last night I took a front wheel off and broke another wheel stud.  That is the third one recently.  When loosening them they get real hard to turn and break off.  Are they being put on at an angle or is it something I am doing in removing them?  I am using the stock lug wrench to remove them.  Also to replace a front stud do I just have to take off the caliper and disk or does anything else need to come off.
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Offline Zukipilot

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Re: Breaking wheel studs?
« Reply #1 on: July 01, 2004, 01:33:26 AM »
Sounds like there is dirt/grease/rust or something getting in the threads and locking them up. It also coulf be from bad threads caused by cross threading, overtightning etc. The factory lug wrench does not help in that situation. It forces you to wrench at an angle instead of in line like with a 4-way lug wrench. When you put them back on make sure that the threads are clead, both on the lug nut and stud, check the threads and make sure they are streight and not rounded. Also you can get a colapsable metric 4 way at most part stores fairly inexpensive.

HTH
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Offline idaholwb

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Re: Breaking wheel studs?
« Reply #2 on: July 01, 2004, 07:01:26 PM »
 Another cheat you can and should do, is go to the local parts store and get some anti-seize, put just a little on each stud, and there you go.
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Offline Mike71

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Re: Breaking wheel studs?
« Reply #3 on: July 02, 2004, 09:01:40 AM »
u can also try a scotch brite pad and run down the threads before u put the lug nuts on

i have rotated many tires and untill a year or so ago i never knew u could cross thread the nuts..i just slapped em on and ran..kinda scary now that i think about it lol
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mperry

Re: Breaking wheel studs?
« Reply #4 on: July 02, 2004, 02:46:59 PM »
As mentioned, use some oil or anti-seize on the threads. Use a torque wrench... and keep an eye on the dudes when they rotate your wheels. (I've lost a wheel from them not tightening them down & a friend found 2 of his lug nuts were stripped on 2 wheels from using an impact driver.)

When you replace the studs, be sure you replace the lug nuts. You can also check with your local 4WD dudes... or somewhere that sells nuts/bolts. (Specializes in nuts/bolts.) Some of these places have tougher studs. (We used to go there for our hot rods.)

Most current auto parts stores use the cheapest supplier for bolts. Running a thread guage over some of these bolts (made in China?) show they aren't all of a proper standard. Probably OK, unless you put them under a heavy strain, such as 4 wheeling or racing.
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Offline Mat Tracker

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Re: Breaking wheel studs?
« Reply #5 on: September 06, 2005, 03:59:25 AM »
On a similar note:

Saturday I did my oil change and took some time to check my tire pressure and noticed two of my wheel lug nuts were loose.  :-\

So I took out the torque wrench and took a look at my Hayne's manual for the proper torque value. I was surprised: 55 ft lbs. It doesn't seem like enough to me. The Astro being 95 ft lbs. I took a look at my Chilton and it says 58-80 ft lbs.  ???

Ok experts, how much torque should I put on my lug nuts?
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Offline Rhinoman

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Re: Breaking wheel studs?
« Reply #6 on: September 06, 2005, 04:46:25 AM »
Quote from: Mat Tracker on September 06, 2005, 03:59:25 AM
On a similar note:

Saturday I did my oil change and took some time to check my tire pressure and noticed two of my wheel lug nuts were loose.  :-\

So I took out the torque wrench and took a look at my Hayne's manual for the proper torque value. I was surprised: 55 ft lbs. It doesn't seem like enough to me. The Astro being 95 ft lbs. I took a look at my Chilton and it says 58-80 ft lbs.  ???

Ok experts, how much torque should I put on my lug nuts?

The stock studs are relatively soft, too much torque and they will stretch, too much stretch and they will be severely weakened.
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Offline wildgoody

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Re: Breaking wheel studs?
« Reply #7 on: September 06, 2005, 08:24:51 AM »
The norm is 90 Ft Lbs, most torque
wrenches for lugs are set (fixed) for
this, I don't like them that tight, I
don't torque them, but I make sure
they are seated by hand, and give them
a snug and about 1/2-2/3 turn. Never
had any lug problems, loose or tight
or broken, even under turbo power

Wild
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