The serpentine belt is an important component in a vehicle as it drives many essential mechanisms in the vehicle such as, where applicable, the water pump, alternator, air conditioner, power steering pump and several others mechanisms. If the belt breaks you can find yourself stranded on the side of the road, due to a dead battery as the alternator is not charging or due to overheating, which can cause severe damage to the engine. The belt is recommended to be replaced when signs fraying, cracks or splitting. Be sure to have the belt inspected every 6 months.
The timing belt, like the serpentine belt, controls essential mechanisms in a vehicle. It is responsible for the operation of the water pump and, keeping the crankshaft and camshaft synchronized to keep the timing of the engine correct. The timing affects the valves and cylinders. If the timing belt breaks, it can cause excessive damage to the engine. Although the timing belt is hard to see for visual inspection some warning signs of possible timing belt failure are rattling noises. To prevent any failure and engine damage, it is recommended to replace the timing belt, along with the water pump as they correspond, every 100,000 km or every 10 years.