The Audi A4 Quattro is manufactured by the German company, Audi. It has manufactured and marketed plenty of quality cars and parts, including the A4 Quattro CV joint. But a faulty A4 Quattro CV joint can lead to a knocking sound from the joint and possible loss of vehicle control.
These Audi A4 Quattro parts work quite well in the beginning. However, the old Cv Joint parts might lead to poor functions and unpleasant driving experiences after years of usage. Signs of a bad Audi CV joint include clicking noises, torn boots that cause oil/grease leaks, and vibration while driving. The A4 Quattro joint parts can be replaced as follows. Firstly, remove the car's wheel, axle nut, and axle nut cotter pin, then remove the brake caliper, tie rods, and hub. Finally, remove the cv joint boot clamps and mounting hardware(in some vehicles you may simply need to twist the cv joint off). From the body parts to the performance parts, a long catalog of advanced Audi A4 Quattro products is given online. There are much better and smarter products and devices.