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wheel stud troubles...maybe

burbanbeast

burbanbeast

1/2 ton status
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Jan 24, 2006
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Location
Collierville
in the past year ive lost two tires(see picture for defintion of lost) and almost lost two more. and ive really run out of clues as to what is causing this. i replace wheel studs and lug nuts everytime it happens but it continues to plague me and plagued the past owners as well. would upgrading to some higher grade studs help me? or am i just doomed to this forever. just in case the weight of the vehicle has anything to do with it i drive an 89 suburban on 35s. but yeh just lemme know what u think please(and if you cant see the picture my tire fell off)

broke.jpg
 
DO you continually re-torque your lug nuts after you install your new studs?
 
on the front i press em in and then torque em when i put the wheel back on but its only one time unless i take the tire off again. and on the back i ran it in with a lugnut and lots of washers over and over.
 
I had this same problem with my 1/2 ton burb when I put on my lift and new wheels/tires. I don't know if it was weight or aluminum rims that caused the problem to start.... but I solved it by going to 1/2" studs instead of the little 7/16" studs
 
i felt that coming on one day and luckily i caught it in time and it was loose lugnuts and the studs were breaking i had 3 left! its amazing it was still driving. oh i had aluminum rims and 35 on a k5. ive heard but not confirmed aluminum is the culprit
 
well they are aluminum wheels. a 7/12-20 wheel stud and 7/16-20 lugnut for the back im pretty sure the front is the same but not 100%
 
yeh i do believe i have the right lugnuts they kinda taper down at the bottom and fit snug into the hole in the wheel. and the first time the studs definetly stripped. when i got down and looked at em there was metal all in the threads of the studs(front driver in the picture). and the second time they broke in half(rear pass) but it looks like the lugnuts are just slidin off the studs when everything does fall apart
 
I used to run some cheap aluminum wheels on my blazer and my rear wheels would come loose all the time. I changed to steel wheels and haven't had a problem since.
 
You sure that you have the right type of lugnut? Some rims require their own lug nuts.
Click to expand...

Some aluminum rims require a shouldered lug nut that will actually fit inside the hole for the rim. This keeps the rim from riding on the stud and also centers the rim on the studs. They are available with conical seats or not depending on your rim application, it would be something to look into.

Check here to see what I mean

Ira
 
the lugnuts i have are close to that. see on those where it starts to shape into a cone towards the bottom? thats how mine are just withouth the "shank" like on those
 
burbanbeast said:
the lugnuts i have are close to that. see on those where it starts to shape into a cone towards the bottom? thats how mine are just withouth the "shank" like on those
Click to expand...

Right what I am saying is with aluminum wheels you may need the shank style lug nuts. I know when I was younger all aluminum rims required shanked lug nuts.

Ira
 
yeh you pretty much lost me with that one. the only thing i can think of that might relate to what your saying is the way the wheel sits against the hub. if its that case then my wheel sits all the way back on the hub where you can see the whole stud with the lugnut off.
 
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