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Subaru Impreza EJ251 (2001–2005)

Meet the 2001-2005 Subaru Impreza, a beloved model known for its agile responsiveness, all-wheel-drive reassurance, and feature-rich practicality. Whether you’re opting for the fuel-efficient 1.5L for daily commutes or craving the exhilarating performance of the WRX and STi, the Impreza caters to every driving style. Time has introduced some age-related challenges, but informed buyers can still relish the thrill this iconic hatchback delivers.

Parts for the Subaru Impreza EJ251

Known issues

Head gasket failures are prevalent particularly on 2.5L engines. Oil leaks, especially around the rocker covers and oil pan, are common. The WRX and STi models are susceptible to turbocharger failure if not properly maintained and regularly serviced. Suspension components, particularly the rear struts, tend to wear out. Check for rust around the rear wheel arches and underbody.

WOF tips

Rust is a major WOF consideration, inspect wheel arches, sills and strut towers. Brake condition, including the condition of lines, is crucial. Check for excessive play in steering and suspension components. Modified WRX/STi models may have issues passing WOF if modifications aren't certified.

About the Subaru Impreza EJ251

The Subaru Impreza of this generation combines practicality with performance, making it an indispensable choice for those who enjoy driving. Your choice of engine ranges from the economical 1.5L to the turbocharged WRX models, ensuring there's an option for every driver. However, as these models age, keeping up with servicing and maintenance becomes crucial in avoiding costly repairs.

Common components that may require replacement include spark plugs—crucial for your engine's performance—brake pads, and oil filters. Regular oil changes and inspections of the brake system ensure the vehicle remains dependable and safe on the road until its next maintenance check.

Moreover, it’s wise to pay attention to the cooling system around the 150,000km mark. Key components like the water pump, thermostat, and radiator hoses should be evaluated to maintain optimal performance. [This naturally links to /shop/cooling] Additionally, consider the essential front and rear brake services offered to keep stopping power at its best. [Check out our Brake Service Packs at /services/braking] Lastly, ensure to replace your wiper blades for clear visibility, especially for those rainy days. [Explore our Wipers category at /shop/wipers]

Questions owners ask

What are some common problems I should look out for on a 2001-2005 Subaru Impreza?
Keep an eye out for head gasket failures, especially on the 2.5L engines. Oil leaks around the rocker covers and oil pan are also common. If you have a WRX or STi model, turbocharger failure can occur if not properly maintained. Suspension components, particularly the rear struts, tend to wear out. Also, check for rust around the rear wheel arches and underbody.
Where can I get brake pads and other service parts for my 2001-2005 Subaru Impreza in New Zealand?
CARFIX stocks over 600 SKUs for your 2001-2005 Subaru Impreza, including brake pads, oil filters, spark plugs, and wiper blades. You can find these parts on our website. We also offer Brake Service Packs.
What should I check on my 2001-2005 Subaru Impreza to make sure it passes its WOF?
Rust is a major WOF consideration, so inspect the wheel arches, sills, and strut towers carefully. The brake condition, including the brake lines, is crucial. Also, check for excessive play in the steering and suspension components. If you have a modified WRX or STi, ensure all modifications are certified.
When should I replace the water pump, thermostat, and radiator hoses on my 2001-2005 Subaru Impreza?
It's wise to inspect the cooling system components like the water pump, thermostat, and radiator hoses around the 150,000km mark to maintain optimal engine performance and prevent overheating. Consider replacing these parts as preventative maintenance at this mileage.
How often should I change the oil in my 2001-2005 Subaru Impreza?
The recommended service interval for your 2001-2005 Subaru Impreza is 15,000km. Regular oil changes are essential for maintaining engine health and preventing costly repairs.
What kind of maintenance should I do on my 2001-2005 Subaru Impreza to keep it running smoothly?
Regular maintenance is key. This includes replacing spark plugs, brake pads, and oil filters as needed. Regular oil changes and inspections of the brake system are crucial for ensuring the vehicle remains dependable and safe. Also, don't forget to replace your wiper blades for clear visibility.
Are head gasket issues really that common on the 2001-2005 Subaru Impreza?
Yes, head gasket failures are a known issue, particularly on the 2.5L engines in this generation of Impreza. It's a good idea to have this inspected, especially if you notice coolant loss or overheating.