The 2004 Audi A4 (B7 generation) marked a pivotal year for Audi, marrying sophisticated styling with capable performance and relative reliability. Its popularity in New Zealand is a testament to its enduring appeal, with many still gracing our roads today. However, like all European vehicles, ensuring its longevity requires careful inspection and regular maintenance. Let's explore how to keep your A4 performing at its best, from key service intervals to essential replacement parts.
Common issues with the 2004 A4 include oil leaks (especially from the valve cover gasket), coolant leaks (plastic coolant flanges are prone to cracking), turbocharger problems (on turbocharged models), suspension wear (control arm bushings and ball joints), and electrical glitches (window regulators, central locking). The Multitronic CVT gearbox (available on some models) can be problematic and expensive to repair. Carbon buildup on the valves is common in direct-injection engines (2.0T), leading to reduced performance. Check for timing belt service history (if applicable) as failure can cause catastrophic engine damage.
Key WOF (Warrant of Fitness) watchpoints for the 2004 A4 include: Suspension components (worn bushings and ball joints), brake condition (pads, rotors, and brake lines), tyre condition and tread depth, headlight alignment, and exhaust leaks. Oil and fluid leaks are also scrutinized. Ensure all lights are functioning correctly. Power steering leaks are also common and will cause a WOF failure.
Building on its predecessor's success, the 2004 A4 B7 features refined design elements and a more comfortable interior, offering a great blend of style and function. Engine options in New Zealand typically include naturally aspirated and turbocharged petrol engines, including the 1.8T, 2.0T, and the robust 3.2 V6, with the occasional diesel option.
The renowned Quattro all-wheel drive system adds a layer of confidence and grip, perfect for our diverse New Zealand driving conditions. However, as with any used vehicle, especially one of this caliber, maintaining it is crucial. Common replacement parts include oil filters, brake pads, and suspension components that may have experienced wear, particularly around the 100,000km mark. Regular oil changes and brake services play a vital role in prolonging the life of your A4, and it’s recommended to consult our service packs for timely maintenance. The cooling system is particularly vital, requiring inspection at intervals around 150,000km, prompting a detailed look at the water pump, thermostat, and radiator hoses - all crucial parts found in our Cooling category. As such, it's essential to pay attention to potential oil leaks or issues with the Multitronic CVT gearbox; these can be costly if left unaddressed. For peace of mind, a pre-purchase inspection by a qualified mechanic experienced with European vehicles is highly recommended, ensuring you enjoy every moment behind the wheel of your Audi A4.