You'll need to visit your local tyre centre to get this fixed. Weve outlined the most common reasons why a humming noise in your car gets louder with speed. However, if it stays constant as you rev the engine, it will be something else. Push the accelerator pedal, gently raising the engine rpm. While the vehicle was parked, the ignition would inadvertently start and the rpms increased violently. That sound indicates that the serpentine belt isnt gripping the pulleys. This will cause engine system failures, the electronics in the cabin to not function and the battery to not be charged properly. Then grab the wheel with both hands at the opposite sides and alternately press and pull. Its very common on these cars for the mounts to wear out! Just an update, chevy dealer replaced the left front bearing under warranty this morning, good to go! This could be a drive belt or one of the components driven by the drive belt, such as the power steering pump, air conditioning compressor, water pump, or one of the idlers that hold the belt in place. Front and rear differentials improve handling. If you found one or more damaged bearings, then you need to change them as soon as possible. Depending on the car, they may not require attention for more than 100,000 miles. Mechanic's Assistant: Is it just the ABS light? Youll likely see the spot where the wheel bearing was. These sounds become louder when accelerating. Bearing won't always have play yet it still is bad. If your Chevy Sonic has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We've also provided an audio sample of each issue to help determine what's causing the hum. You can usually tell if a wheel weight fell off. Tire cupping or scalloping is a type of uneven wear that is known to cause humming noise at high speeds, and is often mistaken for a bad wheel bearing. Glad I posted here, for some reason it didn't even dawn on me that they were covered under the power train warranty. If left unserviced, the bearings wear out faster and could cause damage to other parts. His previous avatars include an automotive professional, photographer, and journalist, and you will certainly experience the roundness of experience in his piece on this site. Steering wheel vibration is most commonly caused by unbalanced wheels, therefore you should only consider bad wheel bearing in this case if the vibrations are accompanied by humming or grinding noise. They develop over time as the result of poor maintenance, abuse, or high mileage. Is the whining noise constant when you rev your vehicles engine? You can suspect fluid leakage and check for a trail underneath the car. If your exhaust manifold gasket is damaged or the oxygen sensor is loose, the noises tend to go away when the engine warms up. Heres what a bad wheel bearing sounds like: A bad wheel bearing can cause a humming sound. 0. Since a bad wheel bearing can affect the alignment of the vehicle, your Sonic will pull to one side when driving in a straight line. Checking it requires you to be under the car and some mechanical skills. Usually it doesn't happen unless the car has been driven some distance and is completely warmed up, with or without the a/c having been used. If one sounds gritty, that wheel bearing will likely need replacing. Also, check out for leakage and tire air pressure. You can have it fixed by mechanics or DIY it at home using vinegar. Often you can hear the hum when starting the car after when cold because the oil thickens at low temperatures. And when we press on the gas the car shakes and rattles and vibrated a lot! Then, soak the inside of the converter using a spray bottle. If you have a rear-wheel-drive or all-wheel-drive car then the humming noise can be caused by a worn-out rear axle reducer, especially if the noise is heard from the back of the car. If its cupped badly enough, youll feel the unevenness. Balancing corrects any vibration before the tires go on the vehicle. The entire weight of the vehicle rests on the bearings. Determining when the noise is at its worst helps pinpoint which side the failing wheel bearing or other drivetrain component is on. When the differential is faulty, you have a hard time going around a corner. You can remedy axle seal failure by pulling out the damaged seal using a seal puller and replacing it. Uncategorized If the play is clearly noticeable and visible, then the wheel bearing is very likely defective. When driving, the speed creates additional forces. If it changes when revving your Sonics engine, the cause of the whining sound will most likely be an accessory bolted to the engine. If it causes this acceleration noise on Chevrolet Sonic, go to your auto technician. In any case, it is advisable for laypersons to visit a workshop. To get out of this situation, you just need to replace the winter tires with summer tires. You can know your catalytic converter is bad through these symptoms: While the above symptoms could help you know whether the catalytic converter is bad, you need to inspect it physically. When you see that the wheel rotates with ease, you should rotate it by hand as quickly as possible to hear the hummin noise. The wheel bearings in Chevy Sonic are designed in such a way that they are absolutely maintenance-free. Here are the most common causes of whining noises when accelerating: If your Chevy Sonics alternator is going bad, itll often begin to put out a high-pitched whining sound. The humming sounds coming from your car could indicate a failing differential. With uneven tire wear, you may also notice: Steering wheel vibration Jagged tire surface Images in mirrors look distorted at high speed Wheel Out of Balance When we turned the car on it shakes everything! 09' Malibu LTZ with brick leather interior. 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Poor road conditions. You can fix it by cleaning the convertor off the contaminants. If you see any flecks of metal on there, it will probably need to be serviced. The whining noise almost comes across as a chip or chirp. If parked but still running, the horn goes off every 2-3 minutes. Jack up each wheel and spin it freely. Generations 5 & 6 Malibu, Years 1997- 2007, Gen 5 & 6 Problems/Service Issues/Troubleshooting. If your Chevy Sonic is experiencing a whining noise, determining where and when the noise is happening is coming from is key to diagnosing and tracking down the cause. Its essential to check the transmission fluid level regularly. Off-road and winter tires are particularly noisy at high speed because of how much air passes through the aggressive tread patterns. If it did, your car likely has a faulty wheel bearing. $110.24 - $117.94. Other factors can also contribute to premature bearing failure on your Sonic, like driving with unbalanced tires or poor wheel alignment. A humming sound heard at idle has to be something that moves even while the car doesnt. If your Chevy Sonic is experiencing a whining noise, its is often going to be caused by something in the engine compartment. It's when there is no play and the wheel bearing is bad that it is harder to diagnose. Due to the complexity and sheer manual labor, it is not recommended as a DIY project. So we went ahead and ordered the Mount set and installed it in less than 10 minutes! If when you press the gas pedal a humming noise is heard, then, most likely, the release bearing is damaged and needs to be replaced. But the procedure is very similar on these models! They work in active suspension systems, as well as other systems that use a hydraulic drive. Make sure to spray into the cat from both sides. If the noise changes going one way or the other, it point towards a bearing. 1. Images in mirrors look distorted at high speed. Being a car enthusiast, Patrick has experience comprising of two decades in which he has ridden some of the meanest and strongest machines in the automotive industry. However you should not hurry in replacing the bearings as sometimes the symptoms can be caused by something else, for example tire cupping (type of uneven wear) can also cause humming noise inside the cabin. This could be a small leak in the exhaust system or air intake system. Tires that are cupped or scalloped have uneven tread wear across the tire. As long as you have the dipstick out, go ahead and check the transmission fluid color. While you can go a thousand more miles, it can turn dangerous for everyone on the road. The Online Portfolio of Mike Flynn. You can tell that the transmission is overheating if you notice a burning smell. A wheel bearing is located within the wheel hub, and is responsible for connecting the wheel to the vehicle. A whining sound when accelerating is almost always caused by a bad accessory attached to your Sonics engine. Gear slippage means the gears will not engage and accelerate properly. If the transmission fluid is leaking, you will notice a red fluid with a slippery consistency under your car. Home Troubleshooting Chevy Sonic makes humming noise at high speeds causes and how to fix it.
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