The steel wheel shown here is mounted to my 2005 Honda Odyssey. This wheel has been on the Hunter Road Force machine 3 times. Each time, it came off the machine with good balance and road force results. But when mounted to the vehicle, bad vibrations occur. The vehicle has zero vibrations with the stock aluminum wheels and all-season tires. The suspension and steering systems have been checked and are tight. When mounted on the Hunter machine, a centering cone is used to align the center hole of the wheel to the machine. But on the vehicle, the center hole doesn't touch the hub (it's a lug-centric wheel by design).
This video shows the runout of the center hole while the wheel is mounted to the vehicle. The center hole has a runout of about 0.025 inches. This means the center hole is far from being coaxial with the pattern of the lug holes. The combination of the manufacturing method of the wheel and the mounting method on the balancing machine is the root cause of the vibration problem.
Two options exist for solving this problem. One is to properly mount the wheel on the balancing machine using the lug adapter plate (center wheel about the lug pattern rather than the center hole). The other option is to replace the wheel with one that has a center hole that's coaxial with the lug pattern.
0 Comments