Rev Up Your Automotive Smarts

Pumped Up & Perplexed: Why Does My Power Steering System Keep Giving Out?

What to know

  • A malfunctioning steering rack can put excessive strain on the power steering pump, leading to its breakdown.
  • Can I drive with a failing power steering pump.
  • The cost of replacing a power steering pump varies depending on the vehicle and labor rates.

If you’re repeatedly facing the frustration of a broken power steering pump, you’re not alone. This common automotive issue can leave you wondering, “Why does my power steering pump keep breaking?” In this comprehensive guide, we’ll delve into the underlying causes of this persistent problem, empowering you with the knowledge to diagnose and resolve it effectively.

Signs of a Failing Power Steering Pump

Before we explore the root causes, let’s identify the telltale signs that indicate a failing power steering pump:

  • Stiff or heavy steering: Turning the steering wheel becomes noticeably more difficult, especially at low speeds.
  • Whining or squealing noises: The pump may emit a high-pitched noise when you turn the steering wheel.
  • Leaking fluid: Power steering fluid may leak from the pump, hoses, or steering rack.
  • Loss of power steering assist: The steering wheel becomes unresponsive or requires excessive force to turn.

Common Causes of Power Steering Pump Failures

1. Contaminated Power Steering Fluid: Over time, power steering fluid can accumulate dirt, debris, and moisture, which can clog the pump and damage its components.
2. Low Power Steering Fluid Level: Insufficient fluid levels can cause the pump to run dry, leading to overheating and premature failure.
3. Defective Pressure Relief Valve: This valve regulates the fluid pressure in the system. If it malfunctions, it can cause excessive pressure, damaging the pump.
4. Worn-Out Pump Bearings: The bearings within the pump can wear out over time, causing noise, vibration, and eventually failure.
5. Faulty Steering Rack: A malfunctioning steering rack can put excessive strain on the power steering pump, leading to its breakdown.
6. Damaged Hoses or Lines: Leaking or damaged hoses and lines can allow air or debris to enter the system, compromising the pump’s performance.
7. Electrical Problems: In some cases, electrical issues, such as a faulty alternator or wiring harness, can affect the power steering pump’s operation.

How to Prevent Power Steering Pump Failures

1. Regular Maintenance: Regularly check and replace the power steering fluid according to the manufacturer’s recommendations.
2. Inspect Hoses and Lines: Periodically inspect the hoses and lines for leaks, cracks, or damage.
3. Avoid Extreme Temperatures: Extreme heat or cold can put strain on the power steering system.
4. Proper Steering Technique: Avoid holding the steering wheel at full lock for extended periods.
5. Professional Diagnosis: If you suspect a problem with your power steering pump, seek professional diagnosis and repair promptly.

Conclusion: Empower Yourself with Knowledge

Understanding the causes of a failing power steering pump is crucial for preventing costly repairs and ensuring your vehicle’s safety. By adhering to regular maintenance, inspecting components, and addressing issues promptly, you can minimize the likelihood of recurring power steering pump failures.

FAQ

Q: Can I drive with a failing power steering pump?
A: No, it’s dangerous to drive with a failing power steering pump. Steering will become difficult, especially at low speeds.

Q: How much does it cost to replace a power steering pump?
A: The cost of replacing a power steering pump varies depending on the vehicle and labor rates. Typically, it can range from $200 to $800.

Q: Can I replace a power steering pump myself?
A: While it’s possible to replace a power steering pump yourself, it requires some mechanical knowledge and specialized tools. If you’re not confident, it’s best to leave it to a qualified mechanic.

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About the Author
Cars have been my passion from a young age as I enjoyed learning how engines work, spending hours dreaming about the supercars I hoped to own, and I now have my dream job as a product designer for a luxury automaker. In my spare time I love going to car...