Torque Wrench
#32
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Join Date: Feb 2009
Location: Newport Beach, CA and Melbourne, Australia
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I disagree here. I have used Discount Tire for decades and my son worked there. They never use an impact wrench to tighten lug nuts. They snug up the nuts using a wrench, then lower the car so the tires touch and put some weight on the wheels, then they use a torque wrench. They tighten the lug nuts in a star pattern and then go back over them in a ring pattern. This ensure all lug nuts are secure and nothing was missed. I would never use an impact or any other tool to tighten lug nuts or bolts. I have had dealers strip my lug nuts and ruin my stud and it took way more torque than it should have, never said a word about it until we had to take the wheel off. The dealer obviously used an impact wrench.
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