Does Acura MDX have power steering?
Yes. The Acura MDX uses power-assisted steering. In the current generation, that assistance is provided by Electric Power Steering (EPS). Earlier MDX generations relied on Hydraulic Power Steering (HPS).
How steering power is implemented in the MDX
The MDX has depended on power-assisted steering since its debut, with a clear shift from hydraulic to electric systems as automakers pursued efficiency and improved steering feel. Understanding which system your model uses can help with maintenance and driving expectations.
Key facts about MDX steering systems by generation:
- First and second generations (2001–2013) used hydraulic power steering (HPS).
- Third generation (2014–2020) adopted electric power steering (EPS).
- Fourth generation (2022–present) continues with EPS, tuned for variable assist and integration with driver-assistance features.
In practice, EPS systems reduce energy draw from the engine and can adjust assist based on speed or drive mode, while hydraulic systems relied on engine power and fluid pressure to provide steering effort.
What this means for driving and maintenance
Understanding whether your MDX uses hydraulic or electric steering helps with maintenance and handling expectations.
- Hydraulic power steering (older MDX): Regularly check the power steering fluid level and for leaks; unusual whining noises or stiffness can indicate fluid or pump issues.
- Electric power steering (newer MDX): No power steering fluid is used; focus on battery health, fuses, and electrical connections; if steering feels heavy or a warning light appears, the system may need service or software updates.
- All models benefit from standard maintenance (tire condition, alignment, and suspension) that influence steering feel and precision.
Maintaining a healthy electrical system and keeping tires inflated to spec helps ensure consistent steering response in EPS-equipped MDXs.
Signs your MDX may need service
Watch for indicators such as sudden changes in steering effort, a stiff or unresponsive steering feel at low speeds, warning lights on the dash, or unusual noises during steering. If you notice any of these, have the vehicle inspected by a certified technician.
In summary, the Acura MDX has power-assisted steering in all current models, with EPS as the standard for recent generations and hydraulic steering found in older iterations. This evolution mirrors industry trends toward improved fuel economy and better integration with modern driver-assistance systems.
Summary
The MDX uses power steering across its lineup, shifting from hydraulic (older generations) to electric (current generations). For owners, this means maintenance approaches differ by year, but the steering system remains a key element of the vehicle’s handling and efficiency. If you’re evaluating a used MDX or troubleshooting steering behavior, knowing the generation and its steering type helps target the right checks and possible software updates.
Where is the power steering fluid on a 2016 Acura MDX?
The 2016 Acura MDX power steering fluid reservoir is located near the front of the engine bay, often labeled with a steering wheel icon. You can typically find it on the driver's side or behind an engine cover on the passenger side.
You can watch this video to see the general location of the power steering reservoir in an engine bay: 1mCarsNToysYouTube · Feb 7, 2015
- General location: Look near the engine, where the power steering pump is. The reservoir is a container, sometimes translucent, with a cap and often a dipstick on the cap.
- Specifics: It may be on the driver's side or under an engine cover on the passenger side.
- Identification: The cap is usually marked with a steering wheel icon and/or the words "Power Steering Fluid".
This video demonstrates how to locate and check the power steering fluid level: 40sAdvance Auto PartsYouTube · Nov 16, 2012
Does the Acura MDX have electric power steering?
A tuned electric power steering booster delivers agile handling for superior maneuverability. Firm up the steering by switching to Sport mode for a more dynamic driving experience. The MDX Type S Advance brings new levels of performance to your everyday drive.
What is the most common problem with Acura MDX?
Common Problems:
- Transmission failure: Early MDX models had issues with automatic transmission failure, leading to costly replacements.
- Steering rack issues: Some vehicles experienced steering rack and pump failure, which led to a loss of power steering.
What is the power steering issue with Acura?
Acura has issued a recall for the 2025 RDX, which could lose power steering. The issue stems from faulty software that may cause the steering system to go into a fail-safe mode; the recall involves 17,334 models.
