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lug nut tightness - newbie with a torque wrench

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Old 12-21-2006, 06:07 PM
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0utlier
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Default lug nut tightness - newbie with a torque wrench

I'm venturing into doing some work myself and bought a torque wrench. I removed a front wheel and went to put it back on and set the torque wrench to 95 lbs or so and was shocked at how little torque that is.

Is that right? Does 95lbs really feel that "loose". When I took the wheel off, the lug nuts were a tremendous magnitude tighter. I'm afraid my wheel won't stay on very long at 95lbs torque. It is possible that I set up the torque wrench wrong but I don't think so. Is 95lbs not very tight?
Old 12-21-2006, 06:13 PM
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tomcat
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The torque (95 ft-lbs) is right and it does feel "less" tight relative to other cars. But then again, we have aluminum lugs.
Old 12-21-2006, 06:13 PM
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Giovanni
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Sounds right:
http://www.discounttire.com/dtcs/infoWheelTorque.dos;jsessionid=FlrXqBr6TWXLdjJQyDgC0ppN3hT62lTWhL6Npy021 PRLp5plwYMm!912731037!NONE

I know the feeling though, most people tend to over torque "stuff" in general (BTDT until I got my twrench)
Old 12-21-2006, 06:21 PM
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y33trekker
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Originally Posted by Giovanni
Sounds right......
I know the feeling though, most people tend to over torque "stuff" in general (BTDT until I got my twrench)
I'd 2nd that as well. Most people think tighter is always better, but that's not the case with most modern rims, especially aluminum rims.
Old 12-21-2006, 06:25 PM
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0utlier
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95lbs just doesn't feel very tight at all. It's quite disconcerting.
Old 12-21-2006, 06:44 PM
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Jim bailey - 928 International
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Your new Torque wrench is probably rather long so it takes less than 95 lbs of force to have 95 ft lbs at the nut. Leverage is a wonderfull thing !
Old 12-21-2006, 07:48 PM
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robert944h
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Yes, torque spec is about 95. If you over torque the lugs they can break off upon removal, leaving the ring of the lug left right next to the wheel. Ask me how I know. I also put just a dab of antiseize on the back of the lugnut
Old 12-21-2006, 08:39 PM
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UKKid35
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If your lug nuts are looking rather sad, with corroded and rounded edges, get some replacements. Think of them as consumables. They're not even expensive - Jim sells used ones that look just like new for about a dollar each IIRC.
Old 12-21-2006, 08:49 PM
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Outlier... I must ask...

You're not using Lbs-In for Lb-ft by any chance ?
That would be 'lots less'.


G'luck.
Old 12-21-2006, 09:22 PM
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Champagne
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Antiseize is mandatory. It's supposed to be 95 lbs "wet"

Paul
Old 12-21-2006, 10:34 PM
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y33trekker
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As long as it's a graphite-free anti-seize. As far as I know, graphite and aluminum don't go well together....at all.
Old 12-21-2006, 11:24 PM
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0utlier
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Originally Posted by macreel
Outlier... I must ask...

You're not using Lbs-In for Lb-ft by any chance ?
That would be 'lots less'.


G'luck.
It never hurts to ask. I am using lb-ft. I've never used a torque wrench before so tightening things down properly may just feel way too loose to my previously unenlightened ways.
Old 12-21-2006, 11:39 PM
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the flyin' scotsman
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95 ftlb or 130 Nm is the correct torque.

To lessen the event of cross threading start them all by hand, get them all to the point of holding the wheel snug, set the torque wrench to half the torque value 47 ft lbs or so, and tighten every second nut until all done, reset the torque wrench to full value and repeat.
Old 12-21-2006, 11:50 PM
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dr bob
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The torque on my Explorer lugs is the same 94 lbs/ft that the 928 requires. Imagine that! It is less than what's often needed to remove the same nuts after they've been on a while. If teh tire shop guys did the last tightening with the impact gun, they will definitely be tighter. There was a thread a while ago about tire store torque wrench use; At my local store, they use the wrench to make sure the nuts are tight. They overtighten them with whatever they have handy, then verify that they aren't loose using the torquer wrench.
Old 12-22-2006, 12:31 AM
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danglerb
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With the antiseize what keeps them from loosening up?

Or is the loose nut behind the steering wheel the only one I should worry about?


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