How do you unscrew a lug nut?
What tool do I need to remove lug nuts?
Impact wrenches are found in the tool chests of mechanics everywhere. They're commonly used for loosening lug nuts from cars and trucks, but they can also be used in any high-torque situation.
How do you loosen a lug nut by hand?
Place the lug wrench on a lug nut and turn it counter-clockwise. Turn the wrench after you've secured it onto one of the nuts, pulling hard until you feel the lug nut begin to loosen. You don't need to remove the lug nut entirely, just use the wrench to loosen it until it's loose enough to remove with your fingers.
Related Question how to remove lug nut
Is it OK to not use a torque wrench?
If you tend towards stainless/steel bolts and less expensive components, you can forgo the torque wrench and just ensure you are working to even torque. For example, if it is a faceplate make sure that the gap between faceplate and stem is even all the way around.
How many foot pounds can you hand tighten?
Measure the length of the box wrench in inches from ring-center to ring-center. Divide this figure by 12 to convert it to feet. For example, if the length of the wrench is 9 inches, the answer is 0.75 foot.
Do you really need a torque wrench?
If you plan to do any major work on your engine or on some major powertrain components, you absolutely need a torque wrench. Overtightening cylinder-head bolts, for instance, can easily cause expensive damage and catastrophic coolant loss. Too-tight exhaust manifold bolts can cause the manifold to crack.