The national cost for a power steering flush in 2022 is between $33 and $102 with an average of $50

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In Ashburn, people who book through CarAdvise save $25 on average for Power Steering Flush. Lock in this price now.

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National average cost of a Power Steering Flush
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What is a power steering flush and how is it done?

Nearly all vehicles on the road today are equipped with some form of power-assisted steering. Without power steering, the sheer weight of your car, truck, or SUV would make it very difficult to turn the steering wheel. Especially when your vehicle is standing still, or when you are parking. Although the automotive industry is beginning to see many late-model vehicles that feature electric-assist power steering systems, still most rely on hydraulic power. The oil in these hydraulic systems, known simply as power steering fluid, is used to transfer power in order to assist the driver in turning the steering wheel with ease. It also serves to lubricate and cool the system. A power steering flush is a service aimed at forcing out all of the old power steering fluid and replacing it with new as part of routine vehicle maintenance.

How do I know if my vehicle needs a power steering flush?

As with any maintenance item such as air filters or engine oil, your power steering fluid may need to be replaced periodically as part of a routine maintenance schedule, according to the vehicle manufacturer’s recommendation. Therefore, the first sign that your power steering fluid should be changed or flushed comes from the maintenance schedule, if the manufacturer recommends that it be done. Other signs of problems with your hydraulic power steering system that might indicate the need for a power steering fluid change or flush include

A whining, growling, or loud humming noise coming from under the hood that gets louder when you turn the steering wheel

Your steering wheel is abnormally difficult to turn

The steering wheel feels shaky or jerky when turning

You notice metallic or rubber particles suspended in the power steering fluid inside the reservoir


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How is this service performed

How is a Power Steering Flush done?

A power steering flush requires that a mechanic take the following steps

  • Raise and support the front end of the vehicle off of the ground to allow the wheels to spin freely
  • Locate and disconnect the rubber low-pressure fluid return line that connects to the power steering reservoir to drain the old fluid
  • Without starting the engine, turn the steering wheel lock-to-lock several times, emptying most of the rack and pinion (or steering gear box) of fluid
  • Reconnect the fluid line and refill the fluid reservoir
  • Start the engine and turn the steering wheel lock-to-lock several times to fill and bleed the system
  • Top off the power steering fluid reservoir Note


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