Either the gearbox or the steering pump houses the power steering pressure switch. It’s an on/off switch that sends information about fluid pressure in the system to the vehicle’s computer, and the computer changes the engine’s operation to account for additional demand if necessary.
The power steering pressure switch remains hidden beneath the hood until a problem with the vehicle arises, such as a power steering leak, necessitates replacement. The switch is sometimes connected to the vehicle’s air conditioning system, and it will cut off the compressor at particular load points. A diaphragm and two electrical sensors are used in the switch. The sensor can fail or deteriorate over time, as well as due to heat exposure.
What is the Purpose of Power Steering Switch?
The power steering pressure switch sends information about the fluid in the vehicle’s power steering pressure system to the computer. From there, the computer adjusts engine operation as needed. Two electrical sensors, and a diaphragm, are exposed to heat regularly in the switch. This heat can eventually cause the pressure switch to fail. The power steering pressure switch cannot be examined without extensive disassembly.
Also Read: Pre-purchase Car Inspection Service
Symptoms of Power Steering Pressure Switch Failure
Your vehicle’s power steering system makes low-speed driving much easier. It’s an essential component of your car. The pressure switch in the power steering system is not serviced on a regular basis. Here are some symptoms to look for if you suspect a failing power steering pressure switch:
- The engine slows down
- There is no power steering assist
- Under a strong steering load, the engine stutters
How is Power Steering Pressure Switch Replacement Done?
- The hood is opened, the engine is allowed to cool, and then the fluid is emptied
- The pressure line is disconnected from the power steering pressure switch
- In the pressure line, the new power steering pressure switch is installed
- The power steering system is flushed and refilled with fluid
- The engine is started, and the power steering system is tested
The failure of the power steering pressure switch might be mistaken for a variety of other system issues, so you need the help of experts. One of Swezo’s qualified mechanics will diagnose any fault as soon as possible. Self-diagnosing the failure of the power steering pressure switch is not suggested because problems with the pressure switch can be comparable to a variety of other issues