News

Why I Switched From Hydraulic to Electric Power Steering

Have you ever wondered if there's a better alternative to your car's traditional hydraulic power steering system? I recently converted my vehicle from hydraulic to electric power steering (EPS), and I can say the benefits are substantial. The change improved performance, boosted fuel efficiency, and made daily driving more comfortable.

This article covers what I noticed right after the swap, where the fuel savings come from, what maintenance disappears, and the checks you should run before starting your own conversion. No hype — just what changed and why.

Performance Improvements You'll Notice Immediately

Instant Steering Response

The most noticeable change after converting to electric power steering is the immediate improvement in steering response. Hydraulic systems rely on engine-driven pumps. EPS does not. You get assistance the moment you turn the wheel.

That means no more waiting for the pump to build pressure. From the very first turn, the steering feels precise and responsive. With hydraulic steering, that small delay was always there — you just got used to it.

Speed-Sensitive Assistance

EPS also adapts to how you drive. Assistance is variable based on speed, which gives you the best of both worlds: light effort in a parking lot, firm control at speed.

Fuel Efficiency Gains That Add Up

One of the biggest advantages of electric power steering is the fuel savings. Traditional hydraulic systems constantly draw power from the engine, even when you're driving straight down the road. That constant drain is wasted energy.

EPS only uses electricity when you're actually turning the wheel. The result can be 3-5% better fuel economy. Individually, a few percent sounds small. Over thousands of kilometers, these savings really add up.

Maintenance Benefits and Reliability

Say goodbye to power steering fluid leaks and pump replacements. Electric power steering eliminates the hydraulic fluid, the hoses, and the pump — the parts that cause most failures in a traditional system.

The EPS unit is typically sealed and requires minimal maintenance. Once it's in, there is no fluid level to check and no pump belt to worry about. Long term, that makes EPS a much more reliable solution than anything built around pressurized hydraulics.

What to Consider Before Converting

Steering Geometry and Unit Matching

Before diving in, ensure compatibility with your vehicle's existing steering geometry. Then source the right EPS unit — it must match your vehicle's weight and steering requirements. A mismatched unit will either feel numb or work harder than it should.

Electrical Integration and CAN Bus

Modern EPS systems often require integration with the vehicle's CAN bus system for proper functionality. This is where conversions get technical: sensors, wiring, and communication with the car's electronics all need to work together.

Plan this phase carefully. On an older vehicle, the electrical system needs the capacity to carry the EPS load on top of everything else it already does.

Installation Process and Cost

Some conversions are relatively straightforward. Others require custom fabrication and professional installation. Be honest about your tools, your workspace, and your skills before you commit.

Cost varies significantly depending on your vehicle and the specific EPS system you choose. Get pricing for your exact model before you start pulling parts off the car.

The Electrical Side: Parts Worth Checking While You're In There

Because an EPS conversion leans on your vehicle's electrics, it makes sense to review related electrical components at the same time. On older project cars, cabin electronics are often the weak link. A tired master window switch can make an otherwise clean build feel worn out, so it is worth sorting one while the interior is already half apart.

Ford Territory (SX, SY, TX)

If your project vehicle is a Ford Territory built between 2004 and 2014, we carry the Electric Master Power Window Switch for 2004 2005-2014 Ford Territory SX SY TX — a direct fit for that generation's window control layout.

Holden Commodore (VY, VZ)

Holden owners refreshing cabin electrics can look at the Electric Power Master Main Window Switch for Holden Commodore VY VZ 92111629, which matches the VY and VZ interior setup.

Hyundai Sonata (2008-2010)

For Hyundai applications, the Electric Master Power Window Switch for 2008-2010 Hyundai Sonata 2.4L 3.3L covers the Sonata range from those model years, including the 2.4L and 3.3L engine variants.

Going further with electrification? Our full range of Electric & Hybrid Parts for EV, Hybrid and PHEV vehicles covers components built specifically for electrified platforms. And if your project involves charging as well as steering, our guide to comparing wireless charging systems for electric vehicles breaks down convenience versus efficiency so you can choose with the same clear eyes.

EPS Conversion at a Glance

Real-World Driving Experience

After completing my conversion, the driving experience transformed completely. The steering feels more direct and connected to the road, with feedback at all speeds.

Parking maneuvers that used to require significant effort now feel effortless. On the highway, I get the stability and precision I never had with the hydraulic system. The light-at-low-speed, firm-at-high-speed character is the part I would not give back.

Was it worth the planning and the wiring work? Yes. The performance gain was immediate, the fuel savings are ongoing, and knowing the pump, hoses, and fluid failure points are gone entirely makes every drive one less thing to worry about.

Frequently Asked Questions