For 1990-2009 cars

Checks | Actions
--- | ---
Inspect the power steering pump for insufficient pressure. | Replace the power steering pump.
Inspect the power steering pump flow control valve for sticking and improper operation . | Replace the power steering pump.
Inspect the power steering pump serpentine belt for slippage. | Tighten the power steering serpentine belt.
Inspect for air contamination in the power steering system. | Bleed the power steering system.