Why are timing belts preferred over timing chains by manufacturers? What is there not to like from the car manufacturers perspective! But for the manufacturers, it is cheaper, quieter, and keeps the customer coming back more frequently for maintenance. Timing Chain and camshaft shown Timing Belts are Preferred to Timing Chains by Manufacturersīelts may not be preferred when you learn that you are recommended to replace it more often than a timing chain, so often times owners are happier with chains because they last longer. Ferrari used timing belts rather than chains for the performance increase that you gain from a light weight belt over a heavy chain. For example, Hyundai is much more likely to have used timing belts rather than timing chains for the reduced cost than Ferrari that has made some cars with timing belts. The reasons for using a timing belt over a timing chain may not be the same for every car model out there. Timing belts are made of cheaper materials than chains while producing much less noise making the car more marketable. Timing belts are preferred by car manufacturers to timing belts for noise, and cost. I find a wide variety of answers on the subject so hopefully after having consulted my mechanic friends with more than 30 years experience combined, I can provide a condensed helpful answer to this topic. Image credit: Exposed timing belt by Nick Nguyen ( license CC BY-SA 2.I have personally changed both timing belts and timing chains in several different models of cars, and this experience stirred some curiosity in me to find the REAL reason why cars use timing belts rather than timing chains. While the initial cost of a timing belt major service can be a bit of a shock - it is a crucial maintenance requirement to keep your vehicle running safely, reliably and at its best for years to come. The average time for this kind of repair is around the 4-5 hour mark, so expect to be without your vehicle for a complete day to allow for the job to be completed to a high quality standard. Replacing the timing belt on most cars is a time consuming exercise, as most of the front part of the engine will need to be removed to allow access, and in some cases requires removal of body panels and other components. If your vehicle requires the water pump to be replaced, check out. Replacing it while you have the timing belt off the engine will save you time and money. On most vehicles, it runs off the timing belt system and, if it fails, can cause expensive and irreparable engine damage. Water Pump The water pump is the main component of your car’s cooling system. Idler pulleys and the tensioner that the belt runs on.The replacement of the timing belt usually requires an inspection of: This can start as early as 40,000km - although most models are around the 90,000km - 150,000km mark. It is very rare for vehicles fitted with a timing chain to require repairs or replacement on this system - as it is a maintenance free design.ĭepending on the age of your vehicle, and the amount of kilometers you have travelled - the timing belt may need to be replaced. Timing chain is a roller chain design that is far more reliable. They need to be replaced at certain maintenance intervals, which are noted in the log-book for your vehicle. Timing belts are usually made of a composite based on rubber and other materials. On some cars, this system requires periodic maintenance, otherwise there could be costly implications! The two main types of timing systems are the timing belt and the timing chain. This system engages a number of components to keep your vehicle running in tip-top condition and performing as it should. One of the main parts of the modern internal combustion engine is the timing system.
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