Even how small a component is in your vehicle, what is important is that it also contributes to the efficiency and performance of your vehicle. Every component in your vehicle should be properly maintained and you need to have the right knowledge on how to clean and maintain all of it as they are available in different types and each of them has a specific way in maintaining them. This is also applicable with your Scion multi rib belt. Valves are essential components of your vehicle because without them there can be nothing to control the inflow and outflow of various elements such as fuel, air, and exhaust within your vehicle's engine. In short, valves have open and close mechanism that is used to regulate such elements. But the component that handles such mechanism is your vehicle's multi rib belt. Such component is of belt-like structure with teethed surface. It plays a major role in your vehicle's engine and for this reason you cannot afford its demise. Now, to maintain its proper functionality, this component should always be greased otherwise it will be subjected to contaminants and as it is made of metal, rust could also affect its proper condition. If you feel that your vehicle's engine is not working properly as what you expect from it, then there is something wrong with its components. With such condition, it is usually the multi rib belt that is affected and immediate replacement for such device is needed. The scion multi rib belt is available here along with the rest of auto parts for maintenance needs.