Technician A says that the wheels can sometimes be rebalanced by aligning the tire on the rim as specified by a balancing machine. Technician B says that if a wheel is statically unbalanced, the wheel can be rebalanced by adding weights to the opposite side of the spot that is unbalanced. Which technician is correct?

Technician A says that wheels should be balanced at every rotation. Technician B says that the wheels should be balanced when any tire repair or replacement is performed. Which technician is correct?

Technician A says radial force differences result from material variations in the tire and rim. Technician B says radial force variation may be corrected by aligning the tire on the rim as instructed by the appropriate balancing machine. Which technician is correct?

Technician A says that poorly balanced wheels and tires can effect fuel economy. Technician B says that tires can become out of balance as the tires wear. Which technician is correct?

Technician A says to check manufacturer's service procedures before rotating tires. Technician B says you can always rotate tires clockwise around the vehicle at the first sign of wear. Which technician is correct?

What is wheel alignment?