Parts for your 2020 Holden Astra-Power steering pump

Power Steering Pump on the 2020 Holden Astra: What You Need to Know

The 2020 Holden Astra marks a shift in how power steering is handled in modern vehicles. Unlike older models that relied heavily on a traditional hydraulic power-steering pump, the 2020 Astra moves away from this setup and uses an electric power steering system instead. So, if you're searching for a power-steering-pump specifically for the 2020 Holden Astra, here's the lowdown on why you won't find one and what makes this system different.

The 2020 Holden Astra does not use a conventional power-steering pump because it features an Electric Power Steering (EPS) system rather than the older Hydraulic Power Steering (HPS). Traditional power-steering pumps are hydraulic devices driven by the engine's belt system, utilising fluid to assist in steering effort. The electric system, however, uses an electric motor to provide steering assistance, meaning there is no need for hydraulic fluid, hoses, or a power-steering pump.

One of the main reasons for this change is efficiency and modern vehicle design trends. The EPS system reduces engine load because it doesn't rely on a belt-driven pump, which in turn helps improve fuel economy and reduces emissions. Another benefit is ease of maintenance because the EPS setup has fewer mechanical parts like hoses, seals, or pump components that may wear out or leak.

When it comes to maintenance or replacement, a traditional power-steering pump requires regular checks of the fluid levels and condition, search for leaks, and possible belt inspection since it is belt-driven. However, since the 2020 Holden Astra uses electric power steering, these maintenance steps are eliminated. Instead, the EPS system usually requires minimal servicing, though occasional software updates or inspections of the electric motor and sensors might be recommended by the dealership during regular servicing intervals.

For those familiar with older generations of the Holden Astra or other vehicles that use hydraulic steering, this shift can seem a bit confusing at first. But the electric power steering system in the 2020 Astra provides more precise control and better adaptability to different driving conditions. The EPS can vary the amount of assist depending on the speed of the car, so you get lighter steering effort in the city and more road feel at higher speeds. This would not be as easy to achieve with a fixed-output hydraulic pump setup.

In case you encounter any issues with the steering system in your 2020 Holden Astra, fault codes may be stored in the vehicle's onboard diagnostic system that a technician can read with specialised tools. Problems could be related to the electric motor, steering angle sensors, or wiring rather than mechanical faults with a pump or hydraulic system. Repairs or replacements tend to be more electronic in nature, involving component swaps or recalibration rather than fluid flushes or pump replacements.

For owners wanting to keep their steering system in tip-top shape, following the manufacturer's recommended servicing schedule is the best course of action. This sometimes includes checks on the EPS system to ensure the electric motor and associated components are functioning correctly. Unlike traditional power steering where fluid contamination or leaks are common concerns, the EPS system primarily focuses on electronics health and software integrity.

To sum it up, the 2020 Holden Astra ditches the old-school power-steering pump in favour of an electric system that offers better efficiency, less maintenance, and improved steering feel. While this means there's no pump to replace or maintain, it also means owners need to be mindful of the electric steering components and have any issues diagnosed with the right equipment.