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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? " I think you might have a problem, sounds like the threads are damaged and the flakes of metal sounds like its off the threads themselves, happens if there are slightly corroded sometimes Get a second, impartial view asap | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? " Advice given seems sound. But, how did you know they were overtightened? | |||
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"Wouldn't of thought so, if it goes back in and tightens alright you'll be fine " the main bulk of the threads look ok. Didn't have to stand on the wheel brace | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? Advice given seems sound. But, how did you know they were overtightened?" had to use a lot of force to get them off. Also compared bolt to one off another wheel which came odd easier and also no fine metal flakes. | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? " How the fuck did you "find" them over tightened? ! | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? Advice given seems sound. But, how did you know they were overtightened? had to use a lot of force to get them off. Also compared bolt to one off another wheel which came odd easier and also no fine metal flakes. " I'd be more worried about the one that came off easier! Have to say, I've been driving for over 35yrs and never felt the need to check how tight the wheel nuts were when it came back from the garage! Only problem I've had with tightness of wheel nuts was when I under tightened mine once many moons ago. The metal flakes may or may not be an issue so do as the others suggest and get them checked though. | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? Advice given seems sound. But, how did you know they were overtightened? had to use a lot of force to get them off. Also compared bolt to one off another wheel which came odd easier and also no fine metal flakes. " Why were you taking the wheels off? | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? How the fuck did you "find" them over tightened? ! " naturally suspicious and check things i suppose | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? How the fuck did you "find" them over tightened? ! naturally suspicious and check things i suppose" Hang on, how do you put them back on? You meant to use a torque wrench. I doubt many do but presumably you have a decent wheel brace at least? But your kit is not likely to be better than the garage's. | |||
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"I don't get it? How on earth did know that your wheel bolts have been overtightened? Road cars tend to have wheel bolts tightened from anything between 110Nm-150Nm depending on make model and type of wheel construction. What did you do? Re torque your bolts when you or the car home? " Do you do home visits as I don't know if my bolts are over tightened? | |||
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"I don't get it? How on earth did know that your wheel bolts have been overtightened? Road cars tend to have wheel bolts tightened from anything between 110Nm-150Nm depending on make model and type of wheel construction. What did you do? Re torque your bolts when you or the car home? " Looks like 'took the bloody things off' is the actual answer? Don't get it myself, I'm pretty techie and handy but when the car's been in the garage I don't go checking torques! Good job it wasn't a head gasket change | |||
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"O_o Lots of confusion about this. Not a proper mechanic but i do a lot of tinkering, currently wearing the wounds to prove it (Sliced half my right ring fingernail off changing the brakes on a Fiat Bravo last week). In any event, not entirely sure why you would "find" a bolt overtightened, but i'll say this, if you "didnt have to stand on the wheel brace" then they werent overtightened to any major extent unless you happen to be a worlds strongest man contestant. If you can rotate the bolt by hand, with a wheel brace only, they arent overtightened. Ive taken off wheels ive had to use a 3ft power bar to crack, never been a problem. That being said, if you have flakes, its possible they have been cross threaded, which could indeed be a problem and is worth getting checked out with a mechanic just to be sure. " Stand on the wheel brace! The proper way | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? " Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. " You sir, need to get out more. | |||
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"I don't get it? How on earth did know that your wheel bolts have been overtightened? Road cars tend to have wheel bolts tightened from anything between 110Nm-150Nm depending on make model and type of wheel construction. What did you do? Re torque your bolts when you or the car home? Looks like 'took the bloody things off' is the actual answer? Don't get it myself, I'm pretty techie and handy but when the car's been in the garage I don't go checking torques! Good job it wasn't a head gasket change " getting my torch out.. You got me thinking now! | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. " lol | |||
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"I don't get it? How on earth did know that your wheel bolts have been overtightened? Road cars tend to have wheel bolts tightened from anything between 110Nm-150Nm depending on make model and type of wheel construction. What did you do? Re torque your bolts when you or the car home? Looks like 'took the bloody things off' is the actual answer? Don't get it myself, I'm pretty techie and handy but when the car's been in the garage I don't go checking torques! Good job it wasn't a head gasket change getting my torch out.. You got me thinking now! " Better check the engine mounts too! You never know | |||
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"Get yersen a motorbike, you've only got 2 wheels to worry about then " 3 actually.....hmmph! | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. " i also factored in ambient metal temperature | |||
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"O_o Lots of confusion about this. Not a proper mechanic but i do a lot of tinkering, currently wearing the wounds to prove it (Sliced half my right ring fingernail off changing the brakes on a Fiat Bravo last week). In any event, not entirely sure why you would "find" a bolt overtightened, but i'll say this, if you "didnt have to stand on the wheel brace" then they werent overtightened to any major extent unless you happen to be a worlds strongest man contestant. If you can rotate the bolt by hand, with a wheel brace only, they arent overtightened. Ive taken off wheels ive had to use a 3ft power bar to crack, never been a problem. That being said, if you have flakes, its possible they have been cross threaded, which could indeed be a problem and is worth getting checked out with a mechanic just to be sure. Stand on the wheel brace! The proper way " Bounce your Reebok Classics down on it till it cracks. Because im a top engineer haha | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature " Coefficient of linear friction? | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature " Seriously? How? | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature Coefficient of linear friction? " I love it when you go all technical. | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature Coefficient of linear friction? I love it when you go all technical. " I can't help it lady, it's my job..... | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. " Ment to ask, who calibrated your torque wrench? | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature Seriously? How?" Check on the air temp with yet finger in the air, then wet finger and touch onto the car,s wheel hub | |||
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"What a funny topic, veiwed it earlier then with my engineer head on went wtf and left alone. Why are you checking the torque- they have air guns that are preset and do dozens of cars every day I bet. Are the threads OK? If Yes, then do back up to the correct torque. Metals shards could be present due to simple corrosion between the wheel and bolt if adequate grease wasn't applied. Especially prominent due to alloy wheels being common on most cars now." Plus,as mentioned earlier, at some point someone WILL have used copperslip or similar. I use mx33 but then I would wouldn't I..... | |||
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"Get yersen a motorbike, you've only got 2 wheels to worry about then 3 actually.....hmmph!" You still ride a kiddie's tricycle don't you | |||
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"where they put in with a bit of copper grease if so would explain the 'metal flakes' as per over tightening what makes you think they were over tightened? Was fine white metal flakes.. Plus i have my own torque wrench. Manual that came with car says 90 newtons or 77 foot lbs. You sir, need to get out more. i also factored in ambient metal temperature Seriously? How? Check on the air temp with yet finger in the air, then wet finger and touch onto the car,s wheel hub " | |||
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"What a funny topic, veiwed it earlier then with my engineer head on went wtf and left alone. Why are you checking the torque- they have air guns that are preset and do dozens of cars every day I bet. Are the threads OK? If Yes, then do back up to the correct torque. Metals shards could be present due to simple corrosion between the wheel and bolt if adequate grease wasn't applied. Especially prominent due to alloy wheels being common on most cars now." Steel wheels.. Was checking if view damaged anything.. As one garage fucked the threads once and was driving around till a puncture revealed the knackered thread. Also, bolts on other wheels had no metal flakes.. Only the one wheel they took off | |||
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"Get yersen a motorbike, you've only got 2 wheels to worry about then 3 actually.....hmmph! You still ride a kiddie's tricycle don't you " All my motorcycles had flywheels. Maybe you just had a piece of cardboard in your spokes... | |||
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"What a funny topic, veiwed it earlier then with my engineer head on went wtf and left alone. Why are you checking the torque- they have air guns that are preset and do dozens of cars every day I bet. Are the threads OK? If Yes, then do back up to the correct torque. Metals shards could be present due to simple corrosion between the wheel and bolt if adequate grease wasn't applied. Especially prominent due to alloy wheels being common on most cars now. Steel wheels.. Was checking if view damaged anything.. As one garage fucked the threads once and was driving around till a puncture revealed the knackered thread. Also, bolts on other wheels had no metal flakes.. Only the one wheel they took off " putting grease on threads would affect torque wouldn't it? | |||
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"What a funny topic, veiwed it earlier then with my engineer head on went wtf and left alone. Why are you checking the torque- they have air guns that are preset and do dozens of cars every day I bet. Are the threads OK? If Yes, then do back up to the correct torque. Metals shards could be present due to simple corrosion between the wheel and bolt if adequate grease wasn't applied. Especially prominent due to alloy wheels being common on most cars now. Steel wheels.. Was checking if view damaged anything.. As one garage fucked the threads once and was driving around till a puncture revealed the knackered thread. Also, bolts on other wheels had no metal flakes.. Only the one wheel they took off putting grease on threads would affect torque wouldn't it? " Stops corrosion and binding. | |||
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"I don't get it? How on earth did know that your wheel bolts have been overtightened? Road cars tend to have wheel bolts tightened from anything between 110Nm-150Nm depending on make model and type of wheel construction. What did you do? Re torque your bolts when you or the car home? Looks like 'took the bloody things off' is the actual answer? Don't get it myself, I'm pretty techie and handy but when the car's been in the garage I don't go checking torques! Good job it wasn't a head gasket change getting my torch out.. You got me thinking now! Better check the engine mounts too! You never know " Can you imagine what would have happened if the clutch had been changed? God forbid!!! LOL. WILL BE removing gearboxes to check if loctite has been used on the flywheel bolts LOL... I'm sorry I shouldn't mock but still funding this thread a little hard to understand | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? " You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car. | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car." Ignore that reply | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that." The threads will be showing signs of damage My torque wrench does, it holds the highest torque applied on the display. | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that. The threads will be showing signs of damage My torque wrench does, it holds the highest torque applied on the display." nice one. | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that. The threads will be showing signs of damage My torque wrench does, it holds the highest torque applied on the display." Surely the torque required to loosen isn't the same as the torque it took to tighten? The conditions are different. | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that. The threads will be showing signs of damage My torque wrench does, it holds the highest torque applied on the display. Surely the torque required to loosen isn't the same as the torque it took to tighten? The conditions are different." You're not seeing the big picture... | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that. The threads will be showing signs of damage My torque wrench does, it holds the highest torque applied on the display. Surely the torque required to loosen isn't the same as the torque it took to tighten? The conditions are different. You're not seeing the big picture..." That's cuz I is on my ikkle phone | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that." set torque wrench to colorectal setting for the wheel nuts apply to tighten nuts when it reaches correct tourque it should click to release if it doesent and goes beyond nuts are over tightened simple | |||
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"I still don't see how you can tell if a nut/bolt was over tightened. It's not like you can just reverse a torque wrench and see the force needed to slacken. It doesn't work like that.set torque wrench to colorectal setting for the wheel nuts apply to tighten nuts when it reaches correct tourque it should click to release if it doesent and goes beyond nuts are over tightened simple " But the breaking point force to get a tightened nut moving is considerably higher than the torque used to tighten it. | |||
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"Update: am sure your all thrilled with this post lol.. Checked other wheel this morning and threads are deffo damaged.. (big sections of thread falling out) Will arrange tow tomorrow if i can. :o(" this is why I ALWAYS slacken wheel nuts and re tighten myself after a tyre change at a garage slack off then re tighten till the car rolls NEVER tighten against the hand break | |||
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"What a funny topic, veiwed it earlier then with my engineer head on went wtf and left alone. Why are you checking the torque- they have air guns that are preset and do dozens of cars every day I bet. Are the threads OK? If Yes, then do back up to the correct torque. Metals shards could be present due to simple corrosion between the wheel and bolt if adequate grease wasn't applied. Especially prominent due to alloy wheels being common on most cars now. Steel wheels.. Was checking if view damaged anything.. As one garage fucked the threads once and was driving around till a puncture revealed the knackered thread. Also, bolts on other wheels had no metal flakes.. Only the one wheel they took off putting grease on threads would affect torque wouldn't it? " Not if the correct grease is used....... And as mentioned before this is not an exact science- torque required on wheel nuts for a car is a wide range....... | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car. Ignore that reply " Agree,proffessional engineering built the titanic | |||
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"Update: am sure your all thrilled with this post lol.. Checked other wheel this morning and threads are deffo damaged.. (big sections of thread falling out) Will arrange tow tomorrow if i can. :o(" That doesn't sound good. What job did they actually have the car for? | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car. Ignore that reply Agree,proffessional engineering built the titanic " Lmao Mechanical engineer saying ignore metal flakes and the chance of it stripping is rare! | |||
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"Corrosion? Get back to bed! This is man's talk. " | |||
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"What colour is the car?" Good question I reckon red, they always have issues | |||
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"What colour is the car? Good question I reckon red, they always have issues " Phew! So I don't need anyone to inspect my nuts. | |||
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"What colour is the car? Good question I reckon red, they always have issues Phew! So I don't need anyone to inspect my nuts. " I have a red car | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? " Once you've tightened them go to a garage and get them torqued , job done , I would not worry about the metal flakes | |||
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"My wheel bolts are well tight, I can't loosen them manually. Probably completely irrelevant but thought I'd share " I have a big bar which will slacken your nuts for you. I have another bar you could use to slacken my nuts. | |||
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"What colour is the car? Good question I reckon red, they always have issues Phew! So I don't need anyone to inspect my nuts. " You can never be to careful | |||
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"What colour is the car? Good question I reckon red, they always have issues Phew! So I don't need anyone to inspect my nuts. I have a red car " Matches your heels then | |||
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" The threads will be showing signs of damage " This one certainly did | |||
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"Agree,proffessional engineering built the titanic " Wtf? And planes, cars, your phone, computers, most everything our society depends on. | |||
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"Agree,proffessional engineering built the titanic Wtf? And planes, cars, your phone, computers, most everything our society depends on. " Wtf?,just because it's made by professionals doesn't make it infallible, nor the professional who builds or maintains anything Point being, just cos someone says there a professional engineer doesn't make them right, and he wasn't And really, wtf? Was that really necessary | |||
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"Agree,proffessional engineering built the titanic Wtf? And planes, cars, your phone, computers, most everything our society depends on. Wtf?,just because it's made by professionals doesn't make it infallible, nor the professional who builds or maintains anything Point being, just cos someone says there a professional engineer doesn't make them right, and he wasn't And really, wtf? Was that really necessary " Wtf possibly not, I apologise! I get carried away sometimes (often)! I agree it doesn't make it infallible. But I do get wound up when peoole on here slag off science and engineering. I thought you were. It's seems to be tempting for people to bad mouth science and engineering when our society today is totally dependent on both. Being in both fields I find this worrying at best! | |||
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"Agree,proffessional engineering built the titanic Wtf? And planes, cars, your phone, computers, most everything our society depends on. Wtf?,just because it's made by professionals doesn't make it infallible, nor the professional who builds or maintains anything Point being, just cos someone says there a professional engineer doesn't make them right, and he wasn't And really, wtf? Was that really necessary Wtf possibly not, I apologise! I get carried away sometimes (often)! I agree it doesn't make it infallible. But I do get wound up when peoole on here slag off science and engineering. I thought you were. It's seems to be tempting for people to bad mouth science and engineering when our society today is totally dependent on both. Being in both fields I find this worrying at best!" No apology necessary, i was just observing it's not always the science or technology that is wrong, it's sometimes the professionals using it The guy said he was a professional engineer, yet the advice he gave was dubious at best! Much like the shuttle o rings,chances are you might get away with damaged wheel bolts, but if it goes wrong, its disastrously wrong Wasn't a dig at either you, or science /technology, just bad advice from someone who should have known better than say what he did | |||
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"Agree,proffessional engineering built the titanic Wtf? And planes, cars, your phone, computers, most everything our society depends on. Wtf?,just because it's made by professionals doesn't make it infallible, nor the professional who builds or maintains anything Point being, just cos someone says there a professional engineer doesn't make them right, and he wasn't And really, wtf? Was that really necessary Wtf possibly not, I apologise! I get carried away sometimes (often)! I agree it doesn't make it infallible. But I do get wound up when peoole on here slag off science and engineering. I thought you were. It's seems to be tempting for people to bad mouth science and engineering when our society today is totally dependent on both. Being in both fields I find this worrying at best! No apology necessary, i was just observing it's not always the science or technology that is wrong, it's sometimes the professionals using it The guy said he was a professional engineer, yet the advice he gave was dubious at best! Much like the shuttle o rings,chances are you might get away with damaged wheel bolts, but if it goes wrong, its disastrously wrong Wasn't a dig at either you, or science /technology, just bad advice from someone who should have known better than say what he did " | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car. Ignore that reply Agree,proffessional engineering built the titanic " and an idiot sank it....he couldnt spell either | |||
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" Ignore that reply Agree,proffessional engineering built the titanic and an idiot sank it....he couldnt spell either" Design flaw, ice-berg and hubris. | |||
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" Ignore that reply Agree,proffessional engineering built the titanic and an idiot sank it....he couldnt spell either Design flaw, ice-berg and hubris. " Every time I watch the movie I think, they might miss it this time. | |||
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"Just got car back from the garage, only to find the wheelbolts overtightened. Manage to get the bolts slackened and took one bolt out. when i rubbed the bolt threads on my finger There were tiny metal flakes. So, is that something to worry about? You should ignore all the rubbish replies on here so far. I am a professional mechanical engineer....listen up! There is an enormous factor of safety built in to the strength of a wheel nut/bolt. The rare failure is either the nut/bolt coming slack, due to being incorrectly tightened or the stud snapping off due to excessive shock loading or fatigue due to age and `work hardening`. The chance of a thread stripping is virtually nil and the `overtightening` that you think you had, is more likely to be corrosion....especially if you have alloy wheels. Be assured...and forget any relationship with the `flakes`which can be from a number of cause. Lengthy....but correct!!! lol Enjoy your car. Ignore that reply Agree,proffessional engineering built the titanic and an idiot sank it....he couldnt spell either" Funny guy, my spelling wouldn't have caused a disaster, your advice could have | |||
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