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Old 01-27-2016, 02:04 PM   #57
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Ford Super Duty Owner
Join Date: Apr 2013
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Originally Posted by CVO View Post
First, it makes a big difference if the wheel is stud mounted or hub piloted. Stud mounted are to have clean dry threads for proper torque. Hub piloted which are centered by the hub and use 2 piece flange nuts are to be lightly oiled for proper torque.

I worked for a company that did testing for Michelin and Accuride with it's semi fleet. The latest standard was to put a few drops of 10W30 motor oil on the stud and the flange of the nut. Not WD-40, antiseize, or whatever else is on the toolbox. Torque sticks were tested with good results if the air gun, hose, and air system stayed consistent and was tested often. There was a high failure rate of the torque sticks. The final determination was to hand torque all wheels with a torque wrench that was calibrated regularly.

Here is a good article that addresses the issue.

Tips to Prevent Wheel-off Incidents on Heavy Trucks
The two piece nuts that I have has the torque imprinted on the nuts. Very important not to over torque. I agree with the oil on the washer

Today on the news in Toronto Canada a fell ow is in critical condition from a wheel that hit his suv. Wheel came off a truck. Very sad.

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