Explore Audi A4 Electric Radiator Cooling Fans & Audi A4 Engine Cooling Fan Assembly. Shop Audi A4 Radiator Fans in Canada. View Audi A4 Cooling Fans reviews. Maintaining the radiator fans in your Audi A4 is crucial for preventing engine overheating, which is why recognizing signs of wear, such as strange noises or decreased cooling efficiency, is essential for timely replacement. To extend their lifespan, ensure that the fan is free from debris and that the electrical connections are secure. When choosing a replacement, opt for either a mechanical or electric fan; the former being durable and efficient, whereas the latter offers quieter operation and reduced power strain on the engine. Select a fan with high-quality materials to ensure longevity and consider professional installation to guarantee optimal performance. With the right care and choice, your Audi A4's radiator fan will ensure your engine runs cool, even under demanding conditions, enhancing your vehicle's reliability and performance.