torquing wheel nuts

charleswee

Active Member
#1
hey guys, I have just changed my wheel lug nuts by (1) leaving the car on the ground (2) installed them one by one in a diagonal pattern (3) hand tightening them agar-ration with a cross wrench

Im deliberating on a few issues which i hope someone can answer.
(1) For what i have done, would you recommend I still use a torque wrench to re-tighten the nuts?
(2) may i ask how much force is to be preset on the 'clicker' torque wrench to properly tighten our lug nuts? (ft/lbs)
(3) Powered air gun wrenches that are used in the workshops to drill the nut onto the wheel; is it too tight that it would damage the hub screw threads and/or rotors, or i have heard may even warp the wheels.
(4) have heard that after refitting the wheels, be it for a tyre change or rotation whatsoever, drive for about 100-500km before going back to the shop for a re-torque of wheel nuts.

some personal considerations :
specialised garages they often more careful in this aspect? (R the only place where i actually see the mechanic using a torque wrench on my car). setting for evo? 100ft/lb? 85? one click sound means u have reached the specified setting but it still does not tell you if you have gone Above that setting.

some other places a powered airgun is used to drill your lug nut until kingdom come. often u see a round mark on the wheel as a result. i heard there are 5 settings on a 300ft/lb gun.

i might just be too paranoid over this. but the thought of under tightening and hence a result of the wheel coming off is just unnerving. and then over tightening causing stuff to warp also is scary. so what is the right balance? what do you guys normally practice.

sorry for long granny post, thanks!
 

wildarms

Active Member
#2
torque wrench is the best but how sure are you that the torque wrench is within accuracy or the calibration validity period for those not within or torque wrench mishandle a torque wrench simply make no different to a ratchet or wrench.

anything 100-120ft.lbs would be good enough

air gun just to screw in not tighten, if use to tighten will not be ideal, use those steel lug nut if possible

once the net is torque properly, there is no need to be retorque, the thread pattern will torsion itself as the vehicle move

there are no specific setting on any air gun - if there is it must be taiwan or china tool, its operated by internal valve setting can be done by the size of opening - a knob in most cases ,



charleswee said:
hey guys, I have just changed my wheel lug nuts by (1) leaving the car on the ground (2) installed them one by one in a diagonal pattern (3) hand tightening them agar-ration with a cross wrench

Im deliberating on a few issues which i hope someone can answer.
(1) For what i have done, would you recommend I still use a torque wrench to re-tighten the nuts?
(2) may i ask how much force is to be preset on the 'clicker' torque wrench to properly tighten our lug nuts? (ft/lbs)
(3) Powered air gun wrenches that are used in the workshops to drill the nut onto the wheel; is it too tight that it would damage the hub screw threads and/or rotors, or i have heard may even warp the wheels.
(4) have heard that after refitting the wheels, be it for a tyre change or rotation whatsoever, drive for about 100-500km before going back to the shop for a re-torque of wheel nuts.

some personal considerations :
specialised garages they often more careful in this aspect? (R the only place where i actually see the mechanic using a torque wrench on my car). setting for evo? 100ft/lb? 85? one click sound means u have reached the specified setting but it still does not tell you if you have gone Above that setting.

some other places a powered airgun is used to drill your lug nut until kingdom come. often u see a round mark on the wheel as a result. i heard there are 5 settings on a 300ft/lb gun.

i might just be too paranoid over this. but the thought of under tightening and hence a result of the wheel coming off is just unnerving. and then over tightening causing stuff to warp also is scary. so what is the right balance? what do you guys normally practice.

sorry for long granny post, thanks!
 

charleswee

Active Member
#3
wildarms said:
torque wrench is the best but how sure are you that the torque wrench is within accuracy or the calibration validity period for those not within or torque wrench mishandle a torque wrench simply make no different to a ratchet or wrench.

anything 100-120ft.lbs would be good enough

air gun just to screw in not tighten, if use to tighten will not be ideal, use those steel lug nut if possible

once the net is torque properly, there is no need to be retorque, the thread pattern will torsion itself as the vehicle move

there are no specific setting on any air gun - if there is it must be taiwan or china tool, its operated by internal valve setting can be done by the size of opening - a knob in most cases ,

bro thanks for your sharing, i should have thought of you for the answers in the first place! :D

Anyway i torqued my nuts to 110ft.lb and have put my mind to rest.

Will be considering to change my cheap alloy nuts for the steel ones. :bounce:
 

superlemonevo

Well-Known Member
#7
I just got 2 mcgard nut broken when I torque it with calibrated torque wrench at 110nm. Damn, now one i can't remove unless damage rim, anyone has idea which tyre shop good at removing broken nut without damaging rim?
 

wildarms

Active Member
#8
mcguard ? aluminum if i am not wrong for 110nm too much cos it hallow as well

only few workshop in Singapore have the damage nut salvage tool to help u easily painlessly trouble-free damage-free to remove any damage nut in seconds its call "fluted twist socket for removal of damaged wheel lugs"



superlemonevo said:
I just got 2 mcgard nut broken when I torque it with calibrated torque wrench at 110nm. Damn, now one i can't remove unless damage rim, anyone has idea which tyre shop good at removing broken nut without damaging rim?
 

wildarms

Active Member
#10
Pm u liao, maybe rest of workshop some might have that we dunno, but not much workshop invest in twisted flute socket for damage lug nut removal which is not too expensive but only very few manufacturer make and sell it thou

buy 1 to keep in car either 17mm or 19mm not expensive either

superlemonevo said:
Ok, great news, where ?
 
#11
Hi bros,

I need the contact to help me remove my damaged aluminium lock nuts.

i think previous workshop use airgun to tighten...now the head broken and damaged.

Can't take out.

Any one got any contacts for this ?

Thanks !
 

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