See also:

Steering Gear Box, Linkage & Boots/Lower Arm Ball Joint
With the vehicle stopped and engine off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks, ...

Measurement
POWER STEERING FUEL SYSTEM TIRE BRAKE ...

Tire sidewall labeling
Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and ...