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Do Subarus use power steering fluid?

Yes, Subaru vehicles do use power steering fluid. Power steering fluid is an essential component in the power steering system of Subaru cars, providing the necessary lubrication and hydraulic pressure to assist the driver in steering the vehicle.


What is Power Steering Fluid?


Power steering fluid is a specialized hydraulic fluid used in the power steering system of vehicles. It is responsible for transmitting the force from the steering wheel to the front wheels, making it easier for the driver to turn the vehicle. The fluid helps to reduce the amount of effort required to steer the car, particularly at low speeds or when parking.


Subaru's Use of Power Steering Fluid


Subaru vehicles, like most modern automobiles, are equipped with a power steering system that relies on power steering fluid to function properly. The fluid is stored in a reservoir and circulates through the power steering pump, hoses, and rack-and-pinion steering gear, providing the necessary hydraulic pressure to assist the driver's steering input.


The specific type of power steering fluid recommended for Subaru vehicles can vary depending on the model and year. Subaru typically specifies the use of a high-quality, synthetic-based power steering fluid that meets the manufacturer's specifications. It is important to use the correct fluid type to ensure the proper operation and longevity of the power steering system.


Maintaining the Power Steering System


To keep the power steering system in good working order, Subaru owners should regularly check the power steering fluid level and top it up as needed. The fluid should also be changed at the intervals recommended in the vehicle's maintenance schedule, as it can become contaminated or break down over time, reducing its effectiveness.


Neglecting the power steering system can lead to a variety of issues, such as increased steering effort, noisy operation, or even complete power steering failure. It is important to address any problems with the power steering system promptly to ensure safe and reliable vehicle operation.

Do subarus have power steering?


Perhaps you bought your trusted Subaru as a used model and aren't sure what system is installed in your particular make, model and year. Check for a hydraulic fluid reservoir in the engine compartment which would normally signify that yours is a hydraulic power steering system.



Where is the power steering fluid on a Subaru?


Under the hood which looks like this let the engine cool. And read the fluid. Level between minimum. And maximum for cold if the level is not at least between the proper marks for a cold engine.



How often should I replace power steering fluid on my Subaru?


Although 30,000 miles is a decent mark to reach before having the power steering fluid flushed and replaced, there could be signs that the service is needed sooner. If it is difficult to steer your vehicle, it is highly recommended to look at the power steering fluid.



Does Subaru take special power steering fluid?


Yes, Subarus use a specific type of fluid for power steering that is not a standard power steering fluid, but rather an automatic transmission fluid (ATF), typically Dexron III, or the more modern Subaru ATF Type-HP. Using a conventional power steering fluid can damage the seals and pump.
 
Recommended fluid types

  • Subaru ATF Type-HP: This is the specific, factory-recommended fluid, notes Facebook. 
  • Dexron III / Dexron-VI: Dexron III ATF is a compatible and commonly used substitute, while Dexron-VI is a modern, fully synthetic alternative that is also backward compatible, according to Reddit users. 
  • Idemitsu ATF HP: This is an aftermarket equivalent that is often the same fluid Subaru sells as OEM. 

Why you should use ATF
  • System design: Subaru's power steering systems are designed to work with the properties of automatic transmission fluid.
  • Damage prevention: Conventional power steering fluid has different chemical properties and will degrade the seals and pump in a Subaru's system over time. 

Important considerations
  • Check the cap: The correct type of fluid will be specified on the power steering reservoir cap. 
  • Do not mix: It is best to avoid mixing different types of fluids if possible. If you do need to top off and cannot find the correct fluid, ensure that what you add is compatible. 
  • Top off or flush: If your fluid is low, it could indicate a leak. It's a good idea to have a mechanic inspect the system to find and fix any leaks. 
  • Flush the system: If you've accidentally put the wrong fluid in, you should flush the system and refill it with the correct fluid to prevent damage. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.