For 1990-2009 cars

Checks | Action
--- | ---
Check the steering gear-to-column joints for improper installation. | Adjust the steering coupling flange on the steering gear and the steering column. Replace the coupling flange as needed.
Check the power steering pump flow control valve for sticking and improper installation. | Replace the power steering pump.
Check the power steering pump for insufficient pressure. | Replace the power steering pump.
Check the power steering pump for internal leaks. | Replace the power steering pump.
Check for a loose or a worn steering coupling. | Tighten the steering coupling flange. Replace the steering coupling flange as needed.
Check the pump drive belt tension. | Adjust the pump drive belt tension.