Heres how to diagnose a squeaky serpentine belt: ChrisFix(YouTube), Serpentine Belt Diagnosis (this site). See the wheel weight above? Weve outlined the most common reasons why a humming noise in your car gets louder with speed. Here's what I have done so far but the noise is still there. Ma Chevrolet Sonic makes whining noise when I accelerate: Weve also provided an audio sample of each issue to help determine whats causing the hum. Heres more from Atlantic Motor car on cupping. It is important to know exactly where the humming sound comes from because this can indicate a serious problem with the car that needs proper repairs. Humming noise is a symptom of an underlying problem with your Sonic, which must be resolved urgently for your safety and driving comfort. They cause the wheels to turn easily and at the same time absorb high radial and axial forces. If the noise is only present while driving it is likely related to the drivetrain. A rare case of humming noise, especially at certain engine RPM can be caused by the fact that the exhaust pipe is not fixed in its place, and will touch other car elements. These sounds become louder when accelerating. Or, you may lose some functionality such as the power steering if the power steering pump fails, or air conditioning if the compressor fails. When you see that the wheel rotates with ease, you should rotate it by hand as quickly as possible to hear the hummin noise. Whining or humming. Sometimes driving accentuates noises that are heard while idling. There are usual noises that a car is expected to make. A humming sound heard at idle has to be something that moves even while the car doesnt. Poor road conditions. It does sound like a wheel bearing from your description. These sounds become louder when accelerating. Then, soak the inside of the converter using a spray bottle. Harsh Shifting. Determining when the noise is at its worst helps pinpoint which side the failing wheel bearing or other drivetrain component is on. Whining sound when car is in gear Inspection. 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. Noises that are related to the drive belt will often get louder with higher RPMs but are not affected by vehicle speed. Mechanic's Assistant: Is it just the ABS light? 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. Threw up a couple codes and no water pump wasnt the problem. As you're driving and you begin to hear knocking sounds that emit from the rear or the front wheels- as you drive over potholes, cracks or even bumps on the road- then you can trace the issue to stabilizer links. 2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat. Your email address will not be published. Why Do Blower Motors Fail? Any thoughts or advices? A bad bearing can also cause uneven tires, issues with brakes, steering wheel vibration, and wobbly wheels at the worst. This works on 2011 CHEVROLET CRUZE SONIC ENGINE MOUNT REPLACEMENT FAST \u0026 EASY! Less common cause is failing transmission. Bad wheel bearings and bad tires have a similar sound. It was the PVC pressure bladder That's built in to the valve cover. Here are the most likely causes of a vehicle whining when starting: Your Sonics serpentine belt turns all of the engine accessories. Uneven roads with potholes, bumps, and dirt tracks often affect wheel bearing. Messages. Bad wheel bearing A defective wheel bearing can be the cause of humming noise in your Chevy Sonic. CarSuperCare.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. In the case of any repairing work, we recommend you to use an official dealership or services provided by other certified specialists. It should change pitch with driving speed if that is the case. If a curve is then also driven through, axial forces occur. A humming noise is normal if youve recently replaced your Sonics tires with an aggressive tread. You can also use the method outlined above, where you rock your Sonic while its moving to see if there is a change in pitch. We have a 2015 Chevrolet Sonic! Or the atmospheric din of an airplane flying overhead, that never gets further away. Since 2008 we have transformed into an informational portal that provides technical information based on personal experience, as well as trust resources (owner's manuals). Drive your car at the slowest speed it takes to reproduce the humming noise. 7 /8. This is a very serious problem since you cannot use the transmission like this, this will significantly reduce its normal operation. Then grab the wheel with both hands at the opposite sides and alternately press and pull. The mileage depends on the driving style and the quality of the wheel bearing. When you first start your car, the serpentine belt may make a loud and long whining sound before going relatively quiet. High impacts on the bearings also occur on uneven roads or when driving through potholes. There is an electric vacuum pump mounted to the firewall just below the brake booster. In order to locate and diagnose links that are loose, you can hoist your car or use a jack to lift it. Poor installation. Brakes make a crunching or thumping noise when pressed when I start driving and takes a while to stop. 2012 chevy sonic. But, you shouldnt overlook these sounds as they will only worsen the situation. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions With that in mind, this page is divided by when you hear the whining noise, and common causes under those conditions. Or, you can watch the video below. Unbalanced wheels will vibrate when driving. If the play is clearly noticeable and visible, then the wheel bearing is very likely defective. Checking it requires you to be under the car and some mechanical skills. A skilled mechanic for quality results can replace your muffler and oxygen sensor. SOLVED! Less common cause is failing transmission. Overheated transmission. Show example Chevrolet Sonic Whining sound when car is in gear Inspection prices. In addition, a damaged bearing is sometimes difficult to remove. Alexanders Import Auto Repair With Sodium Hydroxide. The most common causes for humming noise in Chevy Sonic at high speeds are bad wheel bearing, uneven tire wear and using tires with large tread blocks. None of these components fail due to any fault of the driver. Because it is heated in motion, it can stick, and this is caused by driving like this for a longer time. On average, the cost for a Chevrolet Sonic Hissing noise when brake pedal is depressed Inspection is $95 with $0 for parts and $95 for labor. It had what. It's nice when it's covered sometimes. Often problems with these hoses were observed in Mercedes-Benz cars with the Active Body Control feature. Wheel bearings are safety-relevant components. It is more difficult to diagnose the condition of the wheel bearing for four-wheel-drive cars. Thanks for letting us know how you made out. Prices may vary depending on your location. In the event of emergency braking, this has a negative effect on the braking distance and the steerability of the vehicle. Youll hear it match the acceleration of the vehicle. A humming noise can be caused by a number of different systems in your vehicle. Difficulty shifting gears. Humming noises coming from your car engine when youre driving, idling, or accelerating indicate different problems and should be checked by a professional. Air escaping through a leak can also cause a distinct "humming" noise. If only the rear wheel bearings are defective, the vibration is mostly felt from under the seats. Driving with a faulty CV joint can cause your CV joint to be completely damaged. 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. Tires are balanced with wheel weights when a new tire is installed. This could mean the car will no longer drive. Wheel bearings in Chevy Sonic are one of the most crucial and stressed components. This wear may not be a cause for immediate concern, but any excessive wear is cause for concern. Only the power steering pump will change with RPM or the steering wheel. Some cars, like Mercedes-Benz, have a component called a hydraulic pulsation damper. Just an update, chevy dealer replaced the left front bearing under warranty this morning, good to go! Generally, these issues don't show up suddenly. It is usually way more noticeable on the A.M. band on the radio. Transmissions.biz was formed in 2001 as a group of automobile enthusiasts who wanted a place to share knowledge. Save Share Reply Quote 1 - 5 of 5 Posts BadBowtie Registered Joined Apr 18, 2015 159 Posts The most common sources of manual transmission noises include: Low fluid level. If they fail, hum and vibration may be heard in the operation of such systems, and they will need to be completely changed. They are responsible for stable driving behavior and, depending on the version, provide the wheel speed information for the anti-lock braking system. When locking the car, it doesn't make any noise indicating it has been locked. 6 days ago All these cause CV joint noise when accelerating in motion or making sharp turns. Take a look behind the wheels. You may notice the noise only happens at idle or only happens at highway speed. water pump or alternator or a/c pulley bearing or tensioneranything the belt turns is suspect once the crank seal has been ruled out. If one sounds gritty, that wheel bearing will likely need replacing. Therefore a bad wheel bearing must be replaced as soon as possible when symptoms first appear. Thanks. When the differential is faulty, you have a hard time going around a corner. You can easily know you have a failing wheel bearing because as you increase the speed the hum becomes much higher in intensity and under a variety of conditions: on a straight road, when turning when driving on roads with different surfaces. Or, you can watch the video below. The may change when youre turning the wheel, such as when youre parking. Leave a comment Thats a great indication that it is probably the power steering pump making noise. Depending on where they are needed, they can be on the front or back of your Sonics wheels. Failure Date: 01/01/2018. If low-pitched humming noise is coming from under the body of your Chevy Sonic, through the floor, it could indicate a problem with the transmission. He is a car enthusiast; he loves cooking and listening to music, especially jazz. Noise still therewater pump or other belt driven componentloose belt tensioner, lift belt off any pully so it hangs free from the crankshaft pulley and start enginenoise gone? 0 % 30 % of the time it's the Low Oil Level or Pressure 0 % 27 % of the time it's the Ignition System 0 % 12 % of the time it's the Exhaust Leak 0 % 31 % of the time it's Something else In general, it is advisable to change the second bearing on the same axle even if there is only one defective wheel bearing in your Chevy Sonic. We keep the car running and use a stethoscope, similar to what a doctor uses, to pinpoint the location of the noise. Dont forget to like and subscribe! If the noise is only present while driving it is likely related to the drivetrain. Off-road and snow tread tires are notorious for making a loud humming sound. Gear slippage is one of the symptoms of having low transmission fluid. 09' Malibu LTZ with brick leather interior. Rob B briant They work in active suspension systems, as well as other systems that use a hydraulic drive. It can tell you a lot about the health of your transmission. We always perform a final test drive after the work is completed to be sure the problem is resolved. It leads to poor performance of the engine, and it may eventually shut down. It is to make sure that it is the source of the humming noises. Repetitive squeaking indicates the belt is not running true, and prolonged squealing means that the belt is overheating.