How Long Does a Power Steering Pressure Switch Last?

In order to operate properly, your car’s power steering system needs to maintain the right amount of pressure at all times. The pressure control valve (also called a flow control valve) creates the pressure, but the system needs a way to monitor the amount of pressure at all times. This is done by the power steering pressure switch.

Your car’s power steering pressure switch monitors the amount of pressure in the system, and communicates that information to the car’s computer. If it notices a drop in pressure, the car’s computer may turn on a warning light in the dash. The switch also plays a role in regulating pressure, as the information it relays can be used to modulate pressure if it becomes too high (which could damage the hoses, pump or rack).

The power steering pressure switch is electronic, but it is also exposed directly to caustic power steering fluid. Over time, the combination of exposure to chemicals and high temperatures can make the switch fail. When this happens, you may experience a number of different symptoms, ranging from a loss of power steering assist to the Power Steering Light coming on in the dash.

There is no expected lifespan for the pressure switch, and it is active any time the ignition is turned on. While you will still have manual steering capabilities if the switch fails, there are other potential problems that could arise. It’s important to know a few of the signs and symptoms that might indicate a failing or failed pressures switch. These include:

  • Power Steering Light on in the dash
  • Loss of power steering assist
  • Intermittent power steering assist
  • Leaking power steering fluid from behind the pressure switch (gasket failure)

If you experience any of these problems, it’s important to have the issue diagnosed and repaired. A certified mechanic can inspect the vehicle switch and make any needed repairs or replacements to power steering pressure switch if necessary.


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Robert

22 years of experience
170 reviews
Robert
22 years of experience
Honda Accord - Power Steering Pressure Switch - North Richland Hills, Texas
Robert was thorough, kind and honest; he lowered the estimated cost when finding what truly needed to be done.

Michael

38 years of experience
121 reviews
Michael
38 years of experience
Chrysler PT Cruiser - Power Steering Pressure Switch Replacement - Whittier, California
Michael is always such a wonderful mechanic. I have had him do repairs on my PT Cruiser many times. He is always on time, and very professional. He explains all the technical stuff and does every thing in a timely and clean fashion. I would recommend Michael B. to anyone. I love that he comes to my house ready to work and with a smile on his face. He has a lot of integrity and knows his business well.

Richard

12 years of experience
48 reviews
Richard
12 years of experience
Dodge Durango - Power Steering Pressure Switch - Tucson, Arizona
My wife and I are very pleased with the experience we had with Richard. He was very professional and understanding about all of our concerns.

Chuck

10 years of experience
231 reviews
Chuck
10 years of experience
Mercury Grand Marquis - Power Steering Pressure Switch - Fort Worth, Texas
Excellent. Chuck was on time, explained process, and advised on further issue in language that was understandable and concise.

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