For 1990-2009 cars

Condition | Action
--- | ---
The power steering system has a leak | Repair the power steering fluid leak. Refer to Power Steering Gear and Pump Leaks .
Air exists in the power steering fluid. | Bleed the power steering system. Refer to Power Steering System Bleeding .
The power steering pump has an internal leak. | Repair or replace the power steering pump as necessary. Refer to Power Steering Pump Replacement .