To drive your Toyota Camry at highway speed with humming noise is irritating and dangerous to some extent. Humming noise in your Toyota Camry arises from an underlying defect in your car that you should resolve quickly to ensure safe driving. Moreover, a low-pitched or grinding humming noise is a sign of parts damage to your Toyota Camry. The humming noise could result in severe damage to your Toyota Camry. The humming noise could arise due to several reasons that require rapid fixing.
Reasons for Toyota Camry humming noise when driving
If your car makes a humming noise, it means the differential requires lubricant, a failing transmission or a wheel bearing, or uneven tire bearings. The humming noise of your Toyota Camry depicts automatic transmission problems and comes up due to various reasons.
Bad wheel bearing
A defective wheel bearing can be the primary cause of humming in your Toyota Camry. The most common sign is a humming or grinding noise in the cabin from the direction of the affected wheel. At times, various other symptoms arise, like the production of knocking noise during cornering or vibrations in the entire body or the steering wheel. The faster you drive your car, the louder the humming becomes. Even if you are driving your Toyota Camry in a straight line, these bearings are required to absorb extreme radial forces. Moreover, the whole weight of your vehicle rests on these bearings only.
During its driving, its speed produces additional forces. If you drive the vehicle in a curve line, axial forces arise. Bearings need to tolerate high impacts over uneven roads or when driving via potholes. The effect of every kind is highly damaging to bearings rather than high loads. Hence, the entire wheel bearing fails. Moreover, their failure resides in your driving habits and several other factors contributing to bad wheel bearing or poor wheel alignment.
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Uneven tire wear
Uneven tire wear could also be the reason for the humming noise in your Toyota Camry. Scalloping and tire cupping is uneven wear that causes humming sounds while driving. In this wear type, dips and scallops are produced around the tread that indicates the balance wheel and is a sign that you require to replace worn shock absorbers. The most common cause of uneven tire wear is improper wheel alignment, unbalanced wheels, or over or under-inflated wheels. The tires might have low-quality materials and are more prone to cupping over a car with improper wheel alignment or worn suspension.
Problem in transmission
One of the causes of humming noise in your Toyota Camry could be transmission problems, and the noise could come from your car’s underbody. Humming noise combines with various other symptoms like erratic shifting, clunking noise, and many more.
Tires possessing large tread blocks
The humming noise you hear from your vehicle while driving might not be because of any defect but due to the tire type you use. Tires possessing a large tread block design are considered noisy over the road due to their aggressive tread patterns.
Steering problem
Various steering system issues can cause humming noise in your Toyota Camry. It could be due to a loose steering belt or a misaligned steering wheel. When the vehicle’s steering wheel does not remain in the correct position, then an increase in the car’s speed will produce a humming noise. This issue needs to be solved quickly to avoid accidents on the road.
Catalytic converter
Rusting of the converter could also be one of the causes of the production of humming noise. So, to find out if a bad catalytic converter is behind it or not, you require checking it physically. Ensure to check the muffler system under the engine area and then head towards the catalytic converter.
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How to fix Toyota Camry humming noise when driving
The first and foremost step to fixing the humming noise of the Toyota Camry is to identify the cause of the humming noise. To fix the problem, the mechanic should take a test drive of the car as it would give an idea of where to diagnose. Are you annoyed by the humming noise of your Toyota Camry? If this is the case, take your vehicle rapidly to a workshop or follow the below points that will give you information regarding fixing of humming noise of your Toyota Camry.
Replacement of wheel bearings
The most effective solution for fixing humming noise is to replace worn-out wheel bearings. It will lower the noise and increase your vehicle’s handling and performance. If you own a small hole in the fender, a perfect spun bearing could lead to a large hole in your wallet. You can even replace wheel bearings, but we suggest taking your vehicle to a mechanic for proper replacement.
Balanced tires
If the humming noise persists after the wheel bearings replacement, you might have an uneven tire wear problem. In this situation, it will be best to take your Toyota Camry to the nearest mechanic for balancing tires. Make sure that the tires do not have any chopped threads.
Vehicle diagnosis
If wheel bearing replacement does not solve the problem of humming noise, then ensure to take your vehicle to your nearest garage for diagnosis. They would start by checking the wheel alignment, worn, loose, or bad ball joints, or any other problem in your Toyota Camry.
Checking tires health
If you want to fix the humming noise problem in your Toyota Camry, you need to start with a quick health check of your vehicle’s tires. If you recognize any uneven wear, bubbling, or cracks, you should replace those tires immediately.
Tire rotation
It is another solution to fix humming noise and is worth considering. As per this solution, you should do the tire rotation regularly to avoid uneven wear leads and various other problems.
Why is my Toyota Camry humming when I press on the gas?
Toyota Camry makes humming noises whenever you press on the gas due to low fuel pressure, dirty or failing mass airflow sensor, leaking or dirty fuel injectors, and more. Apart from these possibilities, there are various causes of humming noise in your Toyota Camry that can impact its performance to a great extent. Here are some humming noises you should not ignore at all. Otherwise, it could lead to serious circumstances.
Flapping noise
This type of noise indicates that something is hanging or is loose below the car, a malfunctioning fan, or some broken belt. If you cannot figure out where the noise is coming from, take your vehicle to a professional.
Squealing noise
Your vehicles have in-built sensors, and when those brake pads get thin, the sensors might not work correctly. Thus, when you apply brakes, a squealing noise comes. Ensure to take your car to a garage if you hear this noise before your car rotors get damaged.
Knocking noise
If you hear a knocking noise under the hood, this indicates a problem with the fuel type. So always get it checked by professionals before filling up the fuel. Also, ensure to use the fuel mentioned in your owner’s manual.
Noise during turning
If you hear any humming noise during a turn, take your car to a professional to get it checked. The production of humming noise during a turn could depict a problem with your steering system, which could be extremely dangerous.
Hissing noise
This noise occurs under the hood and indicates a car leak. When liquid hits something hot, a hissing or sizzling noise comes out. Make sure to get it inspected by professionals.
Grinding noise
If you hear a grinding noise during gear shifting, there is an issue with your vehicle clutch. It would only get worse and more devastating, so do not delay its inspection.
Rattling noise
If you hear a rattling noise and know that it is not the noise of the trunk or cabin, then it might be possible that your vehicle’s exhaust system has become loose and is rattling. Make sure to have it checked to avoid any mishap.
Clicking noise
Clicking noise could result from low oil pressure, and if not solved, it can turn out into a big and dangerous problem. Make sure to take your vehicle to a garage as soon as possible to prevent any damage.
Banging noise
This type of noise is also known as backfire and indicates that your Toyota Camry has a problem with the exhaust system or catalytic converter. Take your Toyota Camry to a professional for proper diagnosis.
High pitch noise
If you hear high-pitched noise during gas pushing or car acceleration, it is a sign that the vehicle has a problem with malfunctioning or the slipping of the belt. This condition will not get fixed by itself, so head towards a mechanic and find a solution instead of ignoring it.
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Final Words
Humming noise can create problems in your Toyota Camry, so it is essential to address the issue immediately. In every situation, it is recommended to visit a workshop and know the reason for the humming noise. Only a professional can quickly diagnose the humming noise issue of your Toyota Camry. A proper solution to humming noise will increase your vehicle’s handling and performance. To fix a faulty system will need a good level of automotive skills.
