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Whether your vehicle has a timing belt or a timing chain, it’s important that you pay attention to any signs of wear and tear and act accordingly. So, a timing belt is still an extremely reliable and important part of your vehicle. To put a figure on it, timing belts usually need replacing somewhere between the 55,000 miles (approx 90,000km) and 90,000miles (approx 150,000km) mark. That isn’t to say timing belts are weak, but they will likely need replacing at some point, whereas a chain can last as long as the vehicle itself does. The reason for this is quite simple: chains are made from metal, whilst timing belts are made from rubber, which simply isn’t as strong.

Timing chains generally have a longer lifespan than timing belts.

What is the lifespan of timing belts and timing chains? For example, a worn chain will start to rattle noisily, which gives you a heads up that something is wrong, whereas a timing belt can snap without warning. The longer lifespan of a timing chain is why they are chosen over timing belts – they very rarely break, but any problems that do arise are easy to catch before they reach the point of no return. A quieter engine is often more appealing to buyers, so the timing belt is installed to ensure a smoother sound. As they are made from rubber, they’re also cheaper to manufacture, which means that car manufacturers may choose to build them into the vehicle. Where a quiet, more efficient engine is required, a timing belt is often preferred. The main difference lies in the materials used – timing belts are made of rubber composite, whereas timing chains are made of metal. What is the difference between timing belts and timing chains?īoth timing belts and timing chains are essential parts of your car’s internal combustion engine, and play a part in controlling the crankshaft and the camshafts, which in turn ensure that the engine valves open and close at the correct time. But why is it only one or the other, and what is the difference between the two? The team at Mr Tyre are here to tell you all you need to know. Your vehicle will either have a timing belt or a timing chain to keep the engine’s timings in order, which in turn keeps your vehicle running safely and efficiently.