The serpentine belt is attached to a pulley on the crankshaft, and it is routed around pulleys on all your engine accessories. You will also typically find an idler pulley or tensioner on this belt to keep it tight as well. This is the belt that powers all the accessories on your engine like your air conditioner compressor, alternator, power steering pump, and external water pump. You might also hear it referred to as the accessory drive belt. Serpentine Belt - What’s The Difference?Īs previously mentioned, the belt that you see under the hood is your serpentine belt. Larger engines like a V-8 will even have two timing belts or chains, one running to each camshaft. They require less maintenance and do not need to be changed as frequently as the more traditional timing belts. These chains are more durable and less likely to break during regular operation. Some newer vehicles use timing chains instead of timing belts. There is also a timing belt tensioner attached that makes sure the belt remains tight. This helps prevent slipping of the belt and ensures that the parts move together as the belt turns. The timing belt has teeth on the underside, and these teeth fit into those notches. Unlike standard pulleys that are somewhat smooth on the surface, these pulleys have notches like gears. The timing belt is connected to both the crankshaft and camshaft by pulleys attached to each one. It ensures that your camshaft and crankshaft are spinning together so that the valves open and close at the right time and the pistons move properly in the cylinders. The timing belt is responsible for keeping all the internal parts of your engine working together in sync. So, what is a timing belt? Your timing belt is located more internally to your engine, and it will be protected by a timing belt cover of some kind. The belt you see there is called a serpentine belt, and we will discuss that more in the next section. If you look under the hood, you won’t see your timing belt. Since the water pump and timing belt are generally located close to each other, you can save hundreds of dollars on labor by swapping the water pump while inside the engine. In addition, most repair shops recommend replacing your water pump at the same time. Most of the time, an independent auto repair shop is going to be cheaper. You will likely have a bill of around $1,000 in most cases. If you take your vehicle to your local dealership, then the repair cost might be even higher. Some vehicles, like a Honda or Toyota, have timing belts that can be challenging to access, and this requires additional labor time, thus higher labor costs. While a timing belt kit, which includes all the necessary parts, might only cost $300 or less, there is quite a bit of labor cost involved in a timing belt replacement job. The cost to replace a timing belt varies based on your specific vehicle, but the average price is generally about $700. Can I drive my car with a bad timing belt? Average Timing Belt Replacement Cost.What are the risks of not replacing a timing belt?.Performing Timing Belt Replacement Yourself.- Poor Acceleration Or Engine Performance.
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