Wierd, second wheel stud sheared off
#1
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Wierd, second wheel stud sheared off
Never had an issue with any of my other 4, 4runners but on my 98 I have had one front lug sieze and shear the stud removing it and now one rear yesterday.
Luckily, I have the tools (air hammer works well) and I have 3 new studs I picked up when the first one broke.
I can only assume previous owner/tech regularly over torqued them and stretched them.
Anyone else have this ?
David
Luckily, I have the tools (air hammer works well) and I have 3 new studs I picked up when the first one broke.
I can only assume previous owner/tech regularly over torqued them and stretched them.
Anyone else have this ?
David
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that sucks! i think i remeber your first post about it (if it was you!) at least you already have the extras. mine did it once, not twice.
i think your spot on about the stretching and over torqued. i now know why you should use a torque wrench...makes perfect since!
i think your spot on about the stretching and over torqued. i now know why you should use a torque wrench...makes perfect since!
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overtorqued or someone else with pneumatic tools just popped the lugnut into the socket and went straight into the lugbolt without threading (have had that happen)...
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Definately over torqued, I manage to snap at least one a year, usually taking them back off, the tire store down the road won't even rotate my tires (if their impact wrench doesn't back'em off the wheels stay on). I guess my theory of "tighten as far as humanly possible and 1/2 turn more" isn't working as well as presumed.
#5
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I actually have 2 different impact guns I use when working with wheels (yes I know you're supposed to use a torque wrench and hit 83 ft-lbs exactly, but this method has worked well for me in practice for many years and it's fast). I use my good IR gun (600+ ft-lbs in reverse at 90 psi) to take the lugs off and I use my crappy campbell hausfeld gun (I turn the air regulator down to 45-50 psi) to put the lugs back on. Now usually the lugs will come out somewhere between 90 and 120 ft-lbs if you checked them with a torque wrench, so that's good enough for me. I used to work with a mechanic that was an absolute gorilla, he had no finesse at all whatsoever. So of course he used to use a heavy duty IR gun (like mine) on almost anything. Well I can't tell you how much stuff he broke, I watched him snap leaf spring bolts, wheel studs, head bolts, you name it!.....I always had to wear safety glasses when that guy was nearby. The bottom line is when you go a little over the recommended torque it is usually ok, but when you double or triple the torque, you're asking for trouble.
......Dublin, you might try a little more finesse.
......Dublin, you might try a little more finesse.
Last edited by MTL_4runner; 08-31-2006 at 04:32 AM.
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