This kit is great for repairing vacuum leaks caused by aged and deteriorated cloth hose and fragile vacuum tubing on engine intake manifolds. Repairs other hoses used on or related to vacuum driven controls and accessories that crack due to age. This kit was designed using Audi and VW 4 Cylinder 1.8L Turbo and V6 2.8L, 2.7L Models as examples. However, this kit will work on most all Audi and VW models utilizing the above sizes hoses.