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Proper lug nut torque is vital to ensure that the wheel is properly mounted to the car. Whenever you remove or reinstall a wheel on your car, the hardware must be torqued. You must use a torque wrench with the proper calibrations. Here are the five factors you need to consider so that you can find the right lug nut for your wheels.
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It is always a good idea to check your lug nut torque on a regular basis as they can become loose over time. Depending on the weight of your vehicle and the type of lug nuts, you may need to tighten them down every few months or even annually. A good rule of thumb is to re-check your lug nut torque prior to traveling with it.
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Damage to the lug nut seating surface of alloy wheels. Wheel hub damage — threaded wholes stripped out. It is also important to tighten lug nuts or bolts incrementally to the final torque specification and doing so in the proper sequence.
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Titanium or anodized aluminum lug nuts are tough. They are ideal for vehicles requiring lighter-weight materials, such as race cars. As already mentioned, the size and model of a lug nut vary according to the vehicle and the axle. At the same time, the correct lug nut seat depends on the actual wheel. What Are Torque Specs?
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Why is proper lug nut torque so important?
How often should you check your lug nut torque?
What happens if you don't tighten lug nuts properly?
What are the best lug nuts for your vehicle?
Do lug nuts need to be torqued?
Lug nuts must be torqued to the manufacturer's recommended values, and they must be re-torqued to those values after driving approximately 50 to 100 miles on your new tires after the tire service. Both under and over tightening can be dangerous.
What happens if you overtighten lug nuts?
Damage caused by over-tightening This can cause stripped threads on wheel nuts and wheel studs plus stretching of the studs, which makes them weaker and prone to fracturing and eventual failure. This stretching can also cause the wheel nuts to work loose.
How often should I torque my lug nuts?
Re-Torque And Drive Safe You might be surprised to learn that torquing new wheels once isn't enough. Most manufacturers recommend that lugs be re-torqued after 50 to 100 miles of regular driving.
What happens if you don't get your tires Retorqued?
When your lug nuts are torqued too tight, the studs have nowhere to go, so they may begin to stretch. This puts tension on the studs and one or more can eventually snap off while driving. If your lug nuts are not torqued enough, they are loose, and may continue to loosen until they fall off while driving.
What happens if you dont torque wheels?
An under-torqued lug nut can loosen over time. This will redistribute the tension on the remaining lug nuts. As the nut weakens its hold, the continued stress eventually will fatigue the entire set of hardware, which can cause wheel separation.
Can lug nuts become loose on their own?
Yes they can loosen, but not if properly tightened. If you change a wheel or disturb them to do brake work etc. and you don't tighten them fully, then they will work loose over the following miles or tens of miles. If tightened properly they do not come loose for the life of the tyre or brake.
How much does it cost to tighten lug nuts?
The general rule for steel wheel lug nut torque is usually around 80ft/lb, and for aluminum wheels it is around 100ft/lb, this being said you still need to check on the manufacturer's specifications.
Do new tires need to be Retorqued?
Whenever you have new wheels and tires fitted to your car – for example, you've done the sensible thing and switched between summer and winter tires – we recommend to have the lug nuts retorqued after the first couple of kilometers. Why should a responsible driver do this? The point is road safety.
What happens if you tighten bolts too much?
Everyone who has ever worked with fasteners has accidentally messed one up at some point. One of the most damaging ways to do that is by over-tightening, or over torquing the fastener. This can result in stripping screws, snapping screw heads and damaging pre-tapped threading.
How much over torque is too much?
A difference of 20% between any two wheel fasteners is too much.
What may occur if a wheel is tightened beyond torque specifications?
Wheel fastener torque If the fasteners are tightened beyond their design limit, the wheel stud or bolt can permanently stretch (fatiguing beyond its designed elastic range) or even break during installation.
What happens if you over torque lug nuts?
When you over-torque the lug nut you could cause stress fractures and this makes it no longer certified for the load rating, there is a risk of the lugs breaking under normal conditions and your wheels will pass you in traffic, rare, but it does create a safety concern.
What is a dial torque wrench?
There is also a dial type of torque wrench, it has a little meter on the handle, and you will see the torque getting higher and higher while you apply force. Some dial torque wrenches come with an electronic meter on the handle which allows you to read the exact torque.
Can you use lubricant on lug nuts?
If applying a lubricant, it must NOT be used on either seat of the hardware as the seat is the main point of friction where torque is measured. When tightening the lug nut, it is important to remember that tight is good, over-tight is NOT good.
Can you over tighten a lug nut?
The proper way to tighten a lug nut is to use a torque wrench to torque every lug nut to the recommended specifications .
When Should Lug Nuts Be Re-Torqued?
Most manufacturers recommend re-torquing lug nuts after 50 to 100 miles of driving regularly. This is in case the lugs have loosened due to vibrations or settling between the rim and the hub.
What Are Torque Specs?
Torque is the measure of force that causes an object to rotate around an axis.
