Depending on the make and model of your vehicle at timing belt repair could end up costing you between $500 and $2,000. Timing belt replacement is often a very costly and time-consuming job. The ticking sound is typically a sound that you'll notice all the time while your engine is running regardless of whether you are speeding up, slowing down, or even just idling.Īs we said, if you want to fix this problem, you’re going to need to replace your timing belt. If that's the case it will most likely be happening as you are accelerating in your vehicle. When it's wearing out or something's overheating the squealing sound is what you'll hear however it is possible that your timing belt could make that same noise. That's why a squealing is more usually associated with this belt. That belt is smooth, it has no teeth on the inside track. Usually when you hear a squealing sound from your engine it's a drive belt that's causing it to happen, and particularly your serpentine belt. Since it rotates at such a very high rate of speed, when these teeth aren't clicking in properly along the pulleys, you're going to hear that distinctive ticking noise.Īdditionally, you may also notice a squealing sound. When your timing belt starts making a ticking sound it's not because it's simply misaligned, it's because the teeth that are on the inside of the belt which allow its to grip the pulleys at the end of your camshaft and crankshaft are either wearing down or breaking off entirely. When your timing belt starts making these noises you have one option to fix it. And that's how you know if there is a problem with your timing belt because the sounds it makes only happen when something is wrong. The bottom line is that a brand-new timing belt should not be producing any sound that you'll notice when you're driving. If it doesn't, you may want to get your engine looked at. If this happens at all, and that is a rare case to begin with, but if it does happen it should fade away pretty quickly within a few days worth of driving. That's just because it needs to be worked in a little. If you hear something that's like a bit of a high-pitch whining sound, it may be a new tensioner giving you trouble. You'll hear the normal hum of any engine, but the timing belt itself should run entirely silently. This will happen if the timing belt is not able to rotate the camshaft and crankshaft at the same time.If you have a new car, or if you just had a new timing belt installed in an old one, the sound you should be hearing when you are driving is relative silence. If the valves of the cylinder open or close too prematurely, then it will result in an engine misfire. This will definitely happen if the pulley bearing goes bad. If the timing belt doesn’t have a firm grip on the pulleys, then it will cause the pulleys themselves to make grinding or rattling noises. Related: Causes of a Vehicle That Cranks But Won’t Start #4 – Grinding Sounds You may hear the motor after you turn the key in the ignition but you won’t be able to turn the engine over. Because of this, you won’t be able to ignite the fuel and air mixture in the chamber. The camshaft and crankshaft cannot synchronize when you have a loose timing belt caused by a bad tensioner. The sound should not be confused with rod knock. If it does not exactly sound like knocking, then it might be more of a slapping sound instead.
When the timing belt gets loose, it will start to knock around and hit the timing cover and the other parts inside of it. Since the check engine light alone can mean a million things, you can use scan for any trouble codes via a car scanner to confirm the issue. This means problems in the engine, which will then result in the check engine light illuminating on the dashboard. If the timing belt is loose because of a bad tensioner, then the timing of the valves will be off.
If you notice a combination of any of these, then it is likely time to replace your tensioner. Here are five of the most common signs that your timing belt tensioner has failed and needs replacing. How Long Does a Timing Belt Tensioner Last?.Top 5 Bad Timing Belt Tensioner Symptoms.
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