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Alloy Wheel Repair: Depends on Extent of Damage to Alloy Wheels
from: Tim GowensAlloy wheels can make a big difference in a car or motorcycle, with improved handling and a beautiful appearance. Because of this, enthusiasts have been upgrading to larger wheels for years, replacing basic steel wheels and hubcaps to set a vehicle apart from others and to provide a smoother ride.
To capitalize on this trend, manufacturers have begun to change their styling to appeal to consumer demand for larger and flashier wheels, equipping even everyday vehicles like SUVs, compact cars, vans and motorcycles with larger-diameter alloy wheels.
While they look great, alloy wheels present a problem. Wheels from European manufacturers like Volvo, as well as 2- and 3-piece wheels, like BBS, tend to be soft and are more easily damaged. When they are damaged – bent or curbed, among other potential issues – do you need to completely replace them?
Replacing your wheels – through a dealer or local performance wheel shop – can cost hundreds of dollars and take days, depending on the severity of the damage.
Repair vs. Replace
Necessity, they say, is the mother of invention. Because replacing a factory wheel can range from $350 to $2,000 per wheel (for some Porsche wheels), those who didn’t want to invest in wheel replacement from a dealer began asking about having them “bent” back out – and the wheel rim repair industry was born.
So long as safety isn’t an issue (that is, when a wheel can be repaired by a professional technician without jeopardizing the lives of the passengers relying on the wheel to do its job), then alloy wheel repair is an excellent choice for economy and cosmetic restoration. But when a wheel has been damaged severely, Metro Wheels will not compromise your safety: if there’s any question, we’ll err on the side of not repairing what could lead to serious injury.
Our Team of Experts
One of the better-known alloy wheel repair businesses in the country is Metro Wheels, Inc. in Marietta, Georgia, just north of Atlanta. Metro has one of the largest wheel repair facilities and wheel networking capacity in the country, with the expert team to repair alloy wheels quickly and safely.
At Metro Wheels, we teamed up with the sharpest engineers to design a state-of-the-art wheel repair facility. Our repair processes assure 95-100% wheel accuracy at completion.
Wheel repair in many areas has been saturated with many companies claiming that they can fix any wheel. But the truth is that many of them are “fly by the night” companies with a sledgehammer and a torch. This is not the proper way to fix any wheel. Some can make the wheel unsafe by not properly applying consistent pressures in a specific way with an exact heat. They stress crack the wheel beyond safety standards and call it a repaired wheel. But you could be jeopardizing your safety and that of your family by using someone without proper experience.
Because we have been in business for over 15 years, our experience in alloy wheel repairs exceeds most shops’. Our aluminum wheel repair specialists can repair most wheels that have been curbed, scraped up, cracked or chemically damaged, providing excellence in both structural and cosmetic repairs; and our professional, certified welders are second to none.
Metro Wheels uses its own engineered equipment and guaranteed processes to return damaged, scraped and, in most cases, cracked wheels back to their original factory specifications. Because your safety is our highest priority, we will not repair any alloy wheel that cannot be safely ridden on after repair.
Metro Wheels’ Repair Process
The repair process is straightforward. First, we mount the wheel accurately on a vehicle simulator. With the proper heat, consistent hydraulic pressure and light vibrations under pressure, the alloy wheel will move – without cracking – back to its original condition. If there is a crack that can’t be seen by the naked eye (under chrome or paint), it will instantly pop out; our certified welders will then fill and repair the crack. After the wheel has cooled, it will retain its original strength. Heat, consistent pressure and vibration are key to an excellent wheel repair.
When a wheel is delivered to Metro Wheels, it is either dropped off by the owner, shipped in or picked up in the metro Atlanta area from our wholesale customers. We generate a work order for each individual wheel detailing the customer’s information and any special instructions. Each wheel is assigned a unique work order number that is engraved on the inside of the rim, so that Metro can track its history precisely. This number also makes it much easier to track the wheel throughout the repair process.
Once identified, each wheel is washed thoroughly to remove all brake dust, because the dust could be hiding additional scratches, gouges or cracks. Metro uses a pressure washer system with a diluted acid-based cleaning compound that will not damage a wheel’s existing finish.
This is particularly important because brake dust removal is essential to determining the level of damage to a wheel. But it must be done correctly, because wheels with a polished or anodized finish can be damaged if the wrong washing compound is used. For instance, a two-piece wheel with a bright lip that is not chromed is typically an anodized finish, a chemical treatment that is very hard to see. If the wrong cleaner or acid is used on such a finish, the wheel surface will be streaked; however, this anodized finish can be stripped off and any scratches buffed out.
Once thoroughly cleaned, one of our expert technicians performs a complete inspection of the wheel for radial and lateral runout.
Radial runout is vertical, and Metro measures to see just how much the wheel is out of round with a micrometer gauge that measures to 1/1,000 of an inch. If a wheel has 5/1,000 of an inch radial runout, you could put a dial indicator on the wheel and then spin the wheel. The distance the wheel traveled up and down while spinning would be 5/1,000 of an inch both in the high and low position – or swing.
Lateral runout, on the other hand, is how much the damaged wheel will wobble from side to side. On some larger diameter wheels subjected to a hard pothole hit or curb, the wheel will be bent and, if hit hard enough, it will bend and twist the spokes. Most lateral runout can be corrected with pressure on the back of the wheel. But when the lateral runout cannot be corrected, the wheel is not repairable.
Lateral runout is the hardest type of repair to accomplish. It also happens to be the most deceptive, because while a wheel may look like it has only minor rim damage, it can actually be fairly significant and not easily seen to the naked eye unless the wheel is spinning. This is especially common on newer front-wheel-drive cars, where much of the force is cantilevered to the back.
The next point of inspection is for alloy defects such as curb rashes and cracks. Metro recommends that the tires be removed for this inspection because most damage cannot be seen otherwise.
Our website: http://www.metrowheels.net
About the Author
Tim Gowens has over 16 years experience in the wheel and tire industry and has been the owner of
Metro Wheels & Accessories since 1989. He built a 22,000 square foot facility to house the wheel
repair plant and a retail/wholesale show room. Tim is also a classical guitarist.
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