Why Power Steering Pressure Switch Leaking

It’s not hard to diagnose a power steering pressure switch problem, but it can be frustrating trying to fix it. In this article, we’ll go over the four most common causes of power steering pressure switch leakage and give you tips on how to fix them.

What is a Power Steering Pressure Switch?

A power steering pressure switch is a safety device that monitors the pressure in the power steering system. If the pressure becomes too high, the switch will trip and shut off the power to the steering system. This can prevent serious injuries if the car is in motion.

How a Pressure Switch Works

Power steering is a system that helps move a car by turning the wheels. A pressure switch controls power to the steering gear, and if it leaks, it can cause problems with the car’s steering.

What Causes a Pressure Switch to Leak?

Power steering leaks can be caused by a number of things, and often there is no specific culprit. However, common causes include:

-A faulty pressure switch.
-A worn or corroded pump impeller.
-A failed hoses or lines.
-A cracked pump bracket.

How to Troubleshoot and Repair a Pressure Switch Leaking

Power steering pressure switch leaking is one of the most common problems on vehicles. When the power steering pressure switch leaks, it can cause decreased performance, decreased steering control, and even a loss of vehicle power. Here are a few tips to troubleshoot and repair a power steering pressure switch leaking:

1. Check for fluid leaks. If there are any obvious fluid leaks, fix them first. Leaks can cause the power steering pressure switch to lose lubrication, which will lead to increased wear and eventual failure. Check all hoses, gaskets, and seals for any signs of leakage.

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2. Test the system. If there are no obvious fluid leaks, try to test the system by turning the wheel from side to side. If the wheel doesn’t turn freely, then the power steering pressure switch may be defective and needs to be replaced.

3. Replace the power steering pressure switch. If test results show that the power steering pressure switch is defective, it needs to be replaced. Replacing a defective switch is usually simple and inexpensive; just call your local car mechanic for help.


If you are experiencing power steering pressure switch leaking, there is a good chance that your fluid levels are off. Fluid levels can be affected by a number of factors, but the most common culprits are worn or broken hoses and clogged filters. If you notice power steering pressure switch leaking and your fluid levels seem to be normal, it is best to have your car serviced by a professional as soon as possible in order to prevent serious damage from happening.

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