These components will wear and become noisy on acceleration, the degree to which depends more on their usage than the vehicle manufacturer. Although all cars have exhaust systems, Hondas are more susceptible to exhaust leaks throughout their life than any other car that we service.Īll vehicles have slightly different drivetrain and engine configurations but, with the exception of electric cars, they all have the same basic components. The drive belt is made of a rubber compound and wears out over time. Any vehicle can have worn drive belt issues. Some vehicles are more prone to these noises than others. Worn pistons will make a knocking noise - sometimes at idle, and often on acceleration.Īre there makes or models that are more susceptible to noises when accelerating? The pistons are what move up and down and make the engine spin. The pistons can also wear and make noise.Again, the noise is more noticeable on acceleration because the engine spins faster. If any of the bearings fail they will cause a ticking or screeching noise. The bearings are what allow the cam and crankshaft to spin for thousands of miles and millions of revolutions.This is most noticeable when accelerating because the valves are moving much faster. When the valves wear they will make a clicking noise. The valves open and close to let in air and fuel and let out the exhaust.There are three very important parts we are going to talk about for now, and those are the valves, bearings, and pistons. There are many moving parts, and all the parts need to move at the right time in order to make the engine run properly. As you probably know, the engine is quite complicated. The engine itself can also be the cause of noises when accelerating. Like exhaust noises, these noises are more noticeable when accelerating because the car is working harder to get you up to speed.
With wear, the parts make contact in a way for which they’re not designed. The drivetrain is essentially what makes your car go, and all of these parts move when your car is moving. Any of the components in the drivetrain can wear and start to make noise. The engine is sometimes considered part of the drivetrain, but we’ll talk about that in a little bit. There are a handful of components in your vehicle that are generally referred to as the “drivetrain.” These components include the transmission, axles or driveshafts, transfer case, and differentials. There are also some more technical causes to point out, without getting into too much jargon. Worn or otherwise compromised drive belts are a common cause of noises when accelerating With an exhaust leak, the muffling of the noise is cut short, making the noise louder. This noise is more noticeable on acceleration because the engine is working harder, making the noise louder. A leak anywhere in this system makes a rather distinct rumbling noise. They are designed this way so you don’t inhale the exhaust fumes and also to quiet the noise engines make. The exhaust system carries the exhaust gases from the front of the car to the rear. The exhaust system includes the muffler, resonator, catalytic converter, and header/down pipe. The other noise you might be accustomed to is that of a loud exhaust system. When the belt no longer moves smoothly along the pulleys, it makes a noise when the car is accelerating.
Belt noise can also come when one of the pulleys the belt is riding on starts to fail. Belt noise can mean the belt is worn or loose. This noise most often happens when you first begin to accelerate, and sometimes when turning. This often manifests as a squeaking or squealing noise. There are a lot of things that can cause a noise when accelerating. What kinds of problems would cause the car to make a noise when accelerating?
There are a number of reasons that a car will make extra noise, all of which are the symptom of a bigger underlying issue. Is the noise you’re hearing different than what you’re accustomed to? If the car seems to be excessively loud in general, this is an indication of a problem. You have probably driven, or at least ridden in cars for years. The best way to know if the noise is normal is simply if you have heard the noise before.
There are noises that are normal on acceleration. How can I tell whether a loud noise when accelerating is normal or the sign of a problem?
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