How Does Power Steering System Work?

If you are having problems with your power steering system, you may want to learn how does power steering system work. Power steering makes a vehicle easier to turn. Before power steering was invented, older cars had a manual steering system that made the vehicles much harder to turn.

Parts that can be part of the power steering fluid are:

  • Power Steering Pump 
  • Power Steering Fluid
  • Steering Wheel
  • Steering Column
  • Steering Gear
  • Vehicle Speed Sensor
  • Tie Rod
  • Tie Rod End
  • Fluid Cooler
  • Fluid Reservoir
  • Drive Belt (this is can be a serpentine belt or a power steering belt)
  1. The power steering systems works on hydraulic oil. The oil is sent through the power steering pump in order to make steering the vehicle easier on the driver.
  2. The power steering pump is run off the engine by the drive belt. If the vehicle engine were to stall, the power steering would stop working.
  3. The hydraulic fluid is pumped through the power steering system leaving the pump and entering into the power steering lines as the valves are opened and closed by turning the steering wheel. These lines have pressure fitting on them so they can handle the pressure of the power steering fluid being pushed through them.
  4. The power steering fluid flows into any of the parts listed above (the exact parts depend on your vehicle). It then enters the fluid cooler (if your vehicle has one) and returns to the power steering pump. The exact route the fluid makes depends on the exact year, make, and model of your vehicle. 
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