What is the common issue with the Audi A5's Quattro system?

I've been experiencing some issues with my Audi A5's Quattro system. It seems to be making a weird noise and the handling feels off. Is this a common problem and how can I fix it?

The most common issue with the Audi A5's Quattro system is the wear and tear of the differential and transfer case. It is important to regularly check and maintain these components to avoid any future problems.

I've had the same issue with my A5's Quattro system. I took it to a mechanic and they found that the issue was with the Haldex pump. It had to be replaced and now the handling feels much better.

I've owned an Audi A5 for years and have never had any issues with the Quattro system. It's important to drive carefully and not push the car beyond its limits to avoid any potential issues.