This thing basically creates a vacuum – it sucks the air out of a closed system. Specifically in your vehicle, it generates the vacuum needed for several things like your power brakes, the heating and cooling controls inside the cabin, and sometimes even assists with things like locking hubs on four – wheel drive systems. It's a mechanical pump usually driven off the engine, so it's always working when the engine is on. Think of it as a helper for a bunch of systems. Without good vacuum, your brakes won't feel as strong – you'll have to push harder on the pedal to get the same stopping power. The heater controls might not switch between hot and cold correctly, or the blend doors won’t move properly. It’s really a central piece to making sure a lot of comfort and safety features work as they should. It essentially provides the “pull” needed for those systems to operate. It’s crucial for safety and comfort. If the pump starts to fail, you'll notice if your brake pedal feels spongy or requires more effort to press. The heater might get stuck on one temperature, or the doors might not fully open or close. Ignoring a failing vacuum pump can lead to significantly reduced braking performance, which is obviously not something you want. We can get you a replacement from places like Fixparts Online pretty quickly. It's a relatively straightforward repair, but getting the right part is key. Backed by experts: Vacuum Pump (MPN 03L145100H) comes with a 12-month warranty!

About Audi

Audi is a premium automotive brand from Germany known for its innovative technology and sophisticated design. Based in Germany, Audi continues to set industry standards for performance and luxury.

Why Choose Audi?

• Audi parts are made specifically for your vehicle, ensuring a perfect fit and reliable performance. • Using genuine Audi parts helps maintain your vehicle’s original quality and resale value. • Audi parts are rigorously tested to meet high safety and performance standards, giving you peace of mind. • We offer a wide range of Audi parts, so you can easily find what you need to keep your car running smoothly. Performance you can rely on – Audi parts from FixParts Online.