Broken wheel stud and lug nut.

wstar · 04-02-2009, 02:44 PM

I have to guess that the stud in question was already cracked (or at least, weakened from stress) by over-torquing. Had you or the dealer removed that wheel for any reason, or was it likely last tightened at the factory?

This goes with my conspiracy theory about the factory over-tightening everything

I've only taken my front driver's wheel off so far (to remove the wheel well liner and reach through there while installing the headers), maybe I should go ahead and check them all like the paranoid fool that I am

ChrisSlicks · 04-02-2009, 02:49 PM

Not really sure how tight mine were, don't have a reverse torque wrench

All my wheels have been off the car and are currently torqued to 80 ft/lb, although I usually go to 85 at the auto-x and I check them part way through the event to make sure nothing has moved due to heat expansion.

04-02-2009, 02:44 PM	#1 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3595	I have to guess that the stud in question was already cracked (or at least, weakened from stress) by over-torquing. Had you or the dealer removed that wheel for any reason, or was it likely last tightened at the factory? This goes with my conspiracy theory about the factory over-tightening everything I've only taken my front driver's wheel off so far (to remove the wheel well liner and reach through there while installing the headers), maybe I should go ahead and check them all like the paranoid fool that I am __________________ 7AT Track Car! Journal thread / Car setup details

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04-02-2009, 02:49 PM	#2 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 654	Not really sure how tight mine were, don't have a reverse torque wrench All my wheels have been off the car and are currently torqued to 80 ft/lb, although I usually go to 85 at the auto-x and I check them part way through the event to make sure nothing has moved due to heat expansion.