lug bolt sheared off

[1970mule]

Well i just found a lug nut on the street with the lug nut stud still in it. so one how the hell did this happen i just drive around town, no off road stuff. and second is it difficult to replace said stud, what does it take.

 

[garberz]

Front or rear?

 

[KyleQ]

Could have been a flaw. Get a punch and hammer it out, tap the new stuff in from behind and finish it off with the lug nut.

 

[1970mule]

sorry, the front

 

[Broncobowsher]

Why it broke would take some forensic examination. Anything from over tightened sometime in the past to rust propagation.

How to repair, remove the hub (lockout, wheel bearings).use a drift and punch the old one in. Don't do this until the hub is off because if you have to move it with a chunk of lug rolling around inside the brake drum things can self destruct in a fraction of a turn of the wheel. New stud goes in from the back side. Press in or hammer/drift it in. Do NOT use the lugnut to pull it in, you will overstress the stud pulling it in. Consider doing the others since you have it this far apart already. Put it all back together.

 

[ransil]

What kind of wheels you running.
I had 2 so far on mine

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[Karl's 68]

I lost 2 studs when I last put new discs on my 72. I used a large brass drift and a larger hammer. I had to pull everything back apart and use washers and a lug nut reversed with a impact wrench to pull the studs up tight. No more problems.

 

[1970mule]

some steel street lock.

What kind of wheels you running.
I had 2 so far on mine

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[Rustytruck]

when you pull it apart to fix it, I would recomend replacing all five. There is a reason that stud broke and you can safely assume that the other 4 studs went through the same issues that broke the one stud. Studs are high strength bolts and can fatigue failure. Never use a lug nut to pull a stud in except in an emergency, pull the axle and press the studs in from behind. You can easily over tork and stretch a stud using a lug nut to pull a stud in.
instead I use a large vice and a deep impact socket to install mine. pull the axle. put a large socket over the head of the stud on the back side of the axle flange. put in vice and push the stud into the socket. Now put in the stud through the axle flange and put the socket over the threaded side of the stud and put the assembly into the vise and press the stud through the axle flange and into the socket on the other side.
On the front I use a press since you have to deal with the hub, the drum or rotor all at the same time.
I dont hammer studs in as you risk bending the axle/hub flange if you hit something crooked.