Good Maintenance Practices:
- Check power steering fluid levels periodically and add fluid when necessary.
- Have your vehicle inspected if it exhibits any of the following symptoms: unusual noise when turning the steering wheel, a shimmy or shake in the steering wheel, heavy or unresponsive steering at low speeds or during parking lot maneuvers, and/or the steering wheel does not properly return to center.
- If you live in areas that experience harsh, winter weather, have the entire steering system inspected before winter arrives to help ensure safer driving.
- It is a good idea to replace O-rings when doing any steering system service. Reusing old O-rings can cause leaks.
- Always check the specific manufacturer’s service information for the correct power steering fluid to use.
- Keep in mind that fluid color is not an indication of fluid condition.
- After any service of the power steering system, always bleed the air from the system and verify proper system operation. An accurate fluid level cannot be obtained unless air is bled from the steering system. The air in the fluid may cause pump cavitation noise as well as pump damage over a period of time.
- The most significant root causes of power steering failures that could lead to pump replacement are system contamination, improper pulley installation, and using the wrong fluid. Following the recommended service procedures during power steering pump replacement address these root causes and help ensure the longevity of the new power steering pump while reducing the chances of premature pump failure.
- Flushing the system will help eliminate any residual contaminants from causing future pump failure. Dirty or contaminated fluid may cause low or no pressure from the power steering pump, causing the relief valve to stop functioning.
- Always follow the manufacturer’s specific instructions on flushing, but remember the following: always flush out the power steering fluid in the lines before removing the old pump and be ready with two or more quarts of power steering fluid for the flushing process.
Troubleshooting Tips:
- Lack of power assist or low assistance


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