When a race vehicle pulls in for a pit stop to acquire new tires, the lug nuts are removed. When the pit crewman uses his/her high-torque air pistol to remove the lug nuts, they fly everywhere. The crewman then has to find each nut and put it back on properly after stopping it from spinning by hand or with another tool.
This is not a job for someone who is not prepared to get dirty or use caution. The pit crew member removing the lug nuts is exposed to loose nails, pieces of metal, and other hard objects that can cause serious injury if not handled carefully.
The driver of the race car will usually leave the track while the team makes the stop, but this is not always the case. If the driver does not leave the track, he/she is considered "in suspense" and cannot drive away until all safety checks have been made sure that there are no more problems with the car. This means that another member of the crew must stay at the wheel until the driver returns.
There are two types of pit stops: one when the car is stationary and the other when the car is moving. In both cases, the goal is the same: to change as many wheels as possible during a single visit to the garage area.
The most typical reason for a lug nut being difficult to remove is age and corrosion. If a lug nut is modern, it should be easy to remove; thus, if you own an older automobile and have never replaced its lug nuts, the lug nuts may be difficult to take from a wheel. Old lug nuts will rust over time and become tight with use. They don't come off easily until they have been this way for some time.
If a lug nut is corroded, it will be hard like a nail. You will need a tool called a "nutcracker" to free it up.
Other reasons for difficulty removing lug nuts include bad design, damage to the threads, or dirt in the threading. A lug nut that won't come off should be removed to allow the wheel to be removed if it needs to be replaced due to damage.
Lug nuts are designed to be removable so they can be changed out if one wears out or becomes damaged. This is particularly important if you drive a truck or car with heavy equipment mounted on it. The weight of the vehicle will make it difficult to turn the wheel if one or more lug nuts is/are locked up tight.
It's best to replace old lug nuts before they cause problems for drivers or passengers. Old lug nuts that aren't replaced can lead to increased costs if you need to have the wheel repaired or replaced.
Ford lug nuts with the two-piece form were used on vehicles and trucks from the 2000 to 2015 model years. Some owners of vehicles equipped with the form of lug nut complained to dealers that the lug wrenches supplied with the vehicles were insufficient to remove the lug nuts. In response, Ford changed its policy and now requires that all replacement lug nuts for these models be of the one-piece design.
The Ford lug nut with the two-piece form has a hexagonal head with six equally spaced holes for mounting it with bolts. It is coated in black paint that helps prevent corrosion and assist in securing them when they are mounted on wheels. These lug nuts were only available as part of a wheel package deal where along with new tires are also replaced. The only vehicle I can find them on is the Ford Fusion.
The problem drivers reported with the two-piece lug nut was that they were too hard to remove with standard hand tools. They claimed that they required a special socket to loosen them up.
I would assume since they are too hard to remove with regular hand tools that they would be too difficult to remove if you had no other options but to remove them yourself. Hopefully another driver doesn't try to remove them with a sledgehammer or something similar and causes damage to their vehicle.
As far as I know this is the only model year for which Ford used the two-piece lug nut.
A lug nut, also known as a wheel nut, is a type of fastener, especially a nut, used to hold a wheel to a vehicle. Lug nuts are often seen in automobiles, trucks (lorries), and other heavy vehicles with rubber tires. They are designed to be tightened by hand or with a lug wrench.
The word "nut" is used because these items were once made from wood. Today they are usually manufactured from metal materials, although some wood-based lugs do exist. They vary in size depending on the style of lug used. There are two main types of lug nuts: Detroit lug and San Francisco bay area lug. Both names come from where the designs were first used.
Detroit lugs are named after their use on most American cars during the 1950s and 1960s. These lugs have three equally spaced holes for mounting purposes. The center hole is the largest at 5/8 inch diameter while the outside holes are 3/4 inch diameter. This design allows for easy removal of wheels for maintenance or repair work.
Bay area lugs are named after their use on most American cars from the early 1940s to the late 1950s. These lugs have only two mounting holes, one in the middle and one near the edge. The center hole is again the largest at 5/8 inch diameter while the outer hole is 3/4 inch diameter.