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Wheel studs keep breaking

 
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Old 12 Oct 2011, 08:45 pm
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Default Wheel studs keep breaking

2 weeks ago i started to feel wobbling and a type of popping whenever i breaked coming from the front drivers side. I checked my lugnuts and all of them were loose. i tightened them and it felt fine. on the way home later in the day the wobbling returned all of a sudden and i got out to check my lugs. 4 of them were broke off and only 1 was left holding on the wheel. I got the car towed home and replaced all 5 studs.
2 weeks later, tonight, the wobbling returned. i checked the lugnuts and 4 were loose. i jacked up the car and as i tried to loosen the 5th one, the stud broke off. i tightened the other 4 and took the car around the block. It seemed fine but now im paranoid to drive the car at all. I already forked out $100 for a tow 2 weeks ago and i'm fearful the studs will just break again. all 5 this time.

Anyone know what could be causing this? 2001 PT touring edition. I believe the wheels are OEM Alloy. The lugnuts are OEM as well.
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Old 12 Oct 2011, 08:51 pm
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Default Re: Wheel studs keep breaking

Are you tightening in the proper pattern and using the correct torque? Sounds to me like you're not doing both, and over tightening the heck out of them. Heck, in my crash I slammed a 10" straight curb, smashed both wheels and didn't even tweak any of my bolts.

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Old 12 Oct 2011, 10:24 pm
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Default Re: Wheel studs keep breaking

What torque wrench are you using?
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Old 12 Oct 2011, 10:25 pm
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Default Re: Wheel studs keep breaking

Quote:
Originally Posted by tryingbe View Post
What torque wrench are you using?
You asking me or the OP? Mine is from work, it's a $1500 clicker that's got seven adjustable ranges. Quite the big boy's toy!
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Old 12 Oct 2011, 10:29 pm
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Default Re: Wheel studs keep breaking

Quote:
Originally Posted by Chromenut View Post
You asking me or the OP?
The one with broken studs, of course.
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Old 12 Oct 2011, 10:31 pm
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Default Re: Wheel studs keep breaking

No torque wrench. Never had an issue before. I use the jack and wrench that came with the car.

ill def use the sequence pattern.
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Old 12 Oct 2011, 10:35 pm
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Default Re: Wheel studs keep breaking

Really? You will risk your life over $15? You know your torque by hand method is putting way too much torque to those studs and breaking them off, and yet you want to continue using this method?

1/2" Torque Wrench
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Old 12 Oct 2011, 10:38 pm
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Default Re: Wheel studs keep breaking

Wow, I think I'm going to go ahead and get one of those, that is a really nice 1/2" torque wrench!
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Old 12 Oct 2011, 10:41 pm
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Default Re: Wheel studs keep breaking

Quote:
Originally Posted by Jaimez View Post
No torque wrench. Never had an issue before. I use the jack and wrench that came with the car.

ill def use the sequence pattern.
Main thing about that pattern has nothing to do with breaking the studs, it's mostly to prevent you from pin-warping your rotor.

I'd suggest a torque wrench, it's well worth the money. Every time I get my tires rotated I stand there and watch the guys doing the work to make sure they are torqued to the right spec, then I always ask them what they torqued them to. They are so used to me that now they come out and tell me, "just so you know, I'm torquing to 100 foot pounds".....lol....
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Old 13 Oct 2011, 12:35 am
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Default Re: Wheel studs keep breaking

I'd guess your wheel needs to be replaced.
Driver's front is always wheel to come loose, it's most heavily loaded,
has high lateral torque and spins in reverse direction of threads (ALL Chrysler
cars had left hand threads up to ~ 1972 on drivers side)

You could try moving it to passenger's rear.

Aluminum wheels need to be torqued for exactly reasons Chrome said.
This isn't an exact science, a cheapie torque wrench will do!
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