A car’s computer will display warning lights that must be checked and scanned for trouble codes to determine the source of the issue. The check engine light can illuminate for a variety of reasons, one of which could be a failing timing chain. If your engine won’t start or starts driving rough, indicating it may be on its way to failing, contact a certified mechanic for inspection and repairs. If the belt is jumping because it’s gotten loose, it can also flail around and damage other parts of the engine. The valves themselves will bend and potentially ruin the engine. If it breaks or jumps while driving, the pistons will be damaged from contact with the valves. If the belt is already broken, the engine won’t have enough compression to start. Engine won’t start or failsĪ broken timing chain will cause an engine to not start or fail while driving. It’s crucial to have a mechanic or technician inspect this issue and make the appropriate repairs as soon as possible. Metal shavings are also commonly seen when there is extensive wear of cylinder head valves, keepers, retainers and other cylinder head hardware. When you have your oil changed, and the mechanic tells you there were small pieces of metal inside the oil as it drained or in the filter, it's a good indication that your timing chain is beginning to fail. If the timing chain begins to wear out, small metal pieces can break off the chain and find their way into the oil pan. Over time, oil begins to separate as it heats up and is exposed to natural solvents found in gasoline. It's recommended by all automotive manufacturers to change the engine oil and filter every 3,000 to 5,000 miles. If the timing chain breaks, the loose metal rolling around inside the motor can lead to serious engine damage. If this situation occurs, it's likely the timing chain is damaged and needs to be replaced as soon as possible. The engine may also run poorly and lack accelerating power. This causes the engine’s timing to fall out of calibration and often results in a misfire. Over a period of time, the timing chain can stretch, which can cause the chain to skip a gear on the cam or crankshaft. The timing chain method is more common with consumer vehicles and high-performance engines. This is the method used in most types of heavy equipment and big trucks. The first is the two-gear method, which includes the crankshaft to camshaft gear direct connection.
There are two ways to achieve valve timing in a combustion engine. If you notice any of these warning signs, it's advised you contact a local mechanic as soon as possible to diagnose the exact cause and make appropriate repairs as needed. Listed below are 5 of the symptoms of a worn out timing chain. The timing chain can start to stretch and wear over time, which will cause the engine's timing to be inaccurate and produce a few warning signs. The links move on the toothed sprockets which are located on the ends of the crankshaft and camshaft and are responsible for opening and closing valves in the cylinder head and moving pistons and connecting rods in the combustion chamber.
TIMING CHAIN SERIES
The timing chain is comprised of a series of links in the chain – similar to those found on a bicycle chain. Although the timing chain is made out of metal, it is subject to wear and tear and may break if not replaced as recommended by the manufacturer. In order for your engine to fire, the timing chain must smoothly rotate around the gears without hesitation. The chain is located in the front of the motor and is attached to a set of gears and pulleys that power multiple mechanical components, including the crankshaft and camshaft. Most higher-displacement engines have a timing chain as opposed to a timing belt. Since the inception of the internal combustion engine, one constant has remained – all of them have a timing chain or timing belt.
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