![]() Putting off a belt service is risky and could lead to significant damage. It’s essential to get your timing belt replaced per your owner’s manual. The suggested timing belt replacement period is between 60,000 miles and 90,000 miles. So when should you get a new timing belt ? When Should I Replace My Timing Belt ? These symptoms are easy to miss and hard to diagnose since other problems can also cause them. This can severely damage cylinder head components such as cylinder head valves, pushrods, and rocker arms. Timing belts usually get worn while driving, and if the timing belt breaks, you shouldn’t drive your vehicle. You’ll hear the starter motor running when you turn the key, but fuel won’t fully ignite.Ī damaged timing belt badly affects the performance of the crankshaft and camshaft, and the engine won’t turn over. If your cambelt malfunctions, the engine can’t ignite the fuel or turn over properly. Because of this overload, your car emits more exhaust fumes than usual. In this condition, the engine needs to work harder than expected. ![]() Since your camshaft controls the exiting of exhaust gasses, a belt failure might delay or restrict that process. If your vehicle emits more smoke than usual, there’s a high chance of a bad camshaft. This may overheat the engine and cause more expensive repairs. Oil can also leak if the gasket between the timing belt cover and the engine block is cracked or blown. Oil around the engine may indicate a leak from your timing belt cover, meaning that it has loosened. In vehicles with timing chains, the timing belt cover also secures the front section of the engine block, so the timing chain can receive lubrication. The timing belt cover protects your vehicles timing belt or chain from grim, debris, and gravel. This is a common bad timing belt symptom - or rather, if you have a bad timing chain. However, the engine may also produce this clicking noise due to low coolant or oil pressure. If a timing belt wears out, it may generate a ticking noise in the cars engine. Proper valve sequencing allows constant fuel supply to the combustion chamber. ![]() The camshaft controls the timing of the cylinder valves and rocker arm assembly. It’s attached to several pulleys connected to the engine’s crankshaft and camshaft. If your engine belt is worn-out, it’ll slip and cannot open and close the cylinder valves properly - affecting the ignition process and causing engine misfires. Imminent belt failure offers a few symptoms: 1. What Are the Signs of a Timing Belt Going Out? Now let’s look at some indicators of a bad timing belt. If this happens, the engine repair cost can be extensive since you might need to replace your cars engine or purchase a new vehicle.Ī broken timing belt could be a disaster, but car maintenance can help spot issues early. However, a snapped timing belt will prevent the camshaft from opening the valves in sequence, causing a collision with the pistons and significant engine damage. This risky design increases efficiency and power, as the reduced volume of the cylinder allows for higher compression. In interference engines, the valves and pistons occupy the same area in the cylinder during different stages of the combustion cycle. A non interference engine could survive a broken timing belt without too much damage, but that’s not the case for an interference engine. Timing Belt Failure : What Happens?Ī modern cars engine can be an interference engine or non interference engine. Now that we’ve answered ‘ what does the timing belt do ?’, we’ll move to what happens should it fail. Your serpentine belt keeps your engine accessories running, and your vehicles timing belt handles the combustion cycle. Note: Your timing belt shouldn’t be confused with your serpentine belt. Then the camshaft causes the exhaust valve to open, allowing the exhaust gasses produced by the explosion to exit the cylinder, and the cycle repeats.Įach valve and piston must move in a carefully coordinated dance to work effectively without blowing up the engine.The spark plug ignites the mixture, and it explodes, forcing the piston to move back down the cylinder and rotating the crankshaft.The camshaft then closes the valves, and the piston moves up in the cylinder, compressing the fuel/air mixture.The cylinder’s intake valves open to allow air and fuel into the combustion chamber.The camshaft then controls the intake and exhaust valve activity. The rotation of the crankshaft is transmitted through the timing belt to move the camshaft. The movement of the pistons rotates the crankshaft. Your timing belt (cam belt) connects the crankshaft and the camshaft, coordinating the combustion cycle of an internal combustion engine.
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