We do this to help determine what type of service your vehicle will really needs. Many times the problem is not wheel balance or wheel alignment, but you may need to have your brakes checked. Brake rotors must be smooth, clean and flat to provide optimum braking. If the finish is too rough, scarred, warped or glazed, the pads are going to chatter and vibrate every time they make contact with the brake rotor. So if the rotors are not in A-1 condition, they should be resurfaced.
Most cars have rotors on the front wheels with rear brake drums.
More and more cars are being manufactured with four-wheel disks as standard or optional equipment. Once the rotors are resurfaced, steering wheel vibration will be eliminated when the brakes are applied. Balancing - Today's balancing machines are capable of doing a precision job if you use high quality wheel weights. Today's cars use a variety of wheel weight styles. If is very important that the correct weights be used on your wheels.