Checking stationary steering effort

Position the vehicle on a level surface and place the steering wheel in the straight ahead position.
Attach a spring scale to the steering wheel. With the engine speed 900 - 1100 RPM, pull the scale and read it as soon as the tires begin to turn.
Standard value: 3.0kgf or less

Fig 1: Checking Stationary Steering Effort
Courtesy of KIA MOTORS AMERICA, INC.
If the measured value exceeds standard value, inspect the power steering gear box and MDPS system.