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Why does my vehicle make noise when I turn?

Mike Schedler • September 6, 2024

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Why Does My Car Make Noise When I Turn?


If you've ever experienced a strange noise when turning your car, you're

not alone. This unsettling sound can range from a light squeak to a loud

clunk, and it often leaves drivers worried about the health of their vehicle.

Understanding the root cause of these noises is crucial, as it can help you

address the problem early and avoid costly repairs down the line. In this

detailed guide, we'll explore the various reasons why your car might make

noise when turning and what steps you should take to resolve it.


Types of Noises You Might Hear


Before diving into the causes, it's essential to understand the types of noises you might

encounter. Different noises can indicate different issues, so paying attention to the sound can be

a valuable diagnostic tool.


1. Squeaking or Squealing: This high-pitched noise is often heard when turning the

steering wheel, especially at low speeds. It might be more noticeable when parking or

making tight turns.

2. Clunking or Popping: A loud, metallic noise that might occur when making a sharp turn

or going over bumps.

3. Grinding: A harsh, mechanical sound that often indicates a severe issue, typically

related to the brake or steering system.

4. Humming or Whining: A low, continuous noise that can increase in volume or pitch

when the steering wheel is turned.

Each of these noises can point to different underlying problems, which we will explore in detail.

Common Causes of Noises When Turning

1. Worn Out or Damaged CV Joints

○ Description: The Constant Velocity (CV) joints are crucial components of your

car's front axle. They allow the axle to transmit power to the wheels while

accommodating the up-and-down motion of the suspension.

○ Symptoms: A clicking or popping sound when making sharp turns, especially at

low speeds, is a common symptom of worn-out CV joints. This noise is often

more pronounced when accelerating through a turn.

○ Solution: If the CV joints are worn out, they usually need to be replaced.

Continuing to drive with damaged CV joints can lead to further damage to the

axle and other components.


2. Power Steering Issues


○ Description: The power steering system makes it easier to turn the steering

wheel by using hydraulic or electric power. Problems in this system can manifest

as strange noises.

○ Symptoms: A whining or groaning noise when turning, especially when the

steering wheel is turned fully to one side, can indicate an issue with the power

steering system. This might be due to low power steering fluid, a worn-out power

steering pump, or a leak in the system.

○ Solution: Start by checking the power steering fluid level. If it's low, topping it up

might solve the problem. If the noise persists, there might be a more significant

issue with the pump or other components, requiring professional inspection.


3. Worn Suspension Components


○ Description: The suspension system of your car includes various components

like ball joints, tie rods, and bushings. These parts are responsible for ensuring

smooth steering and handling.

○ Symptoms: Clunking or knocking noises when turning, especially when going

over bumps, can indicate worn or damaged suspension components. These

sounds are often more noticeable in older vehicles with high mileage.

○ Solution: Inspecting and replacing worn suspension components is crucial.

Ignoring these issues can lead to poor handling and increased wear on other

parts of the vehicle.


4. Brake System Problems


○ Description: The brake system, including the pads, rotors, and calipers, can

sometimes cause noise when turning if they are worn out or damaged.

○ Symptoms: A grinding noise when turning can indicate that the brake pads are

worn down to the metal, which can damage the rotors. Squeaking noises might

also be heard if the pads are low but not yet metal-to-metal.

○ Solution: Regular inspection and timely replacement of brake components are

essential. If you hear grinding, it's crucial to address the issue immediately to

avoid further damage and ensure safe braking.


5. Wheel Bearing Issues


○ Description: Wheel bearings allow the wheels to spin smoothly and are essential

for the proper functioning of your car.

○ Symptoms: A humming or growling noise that changes with the speed of the

vehicle and becomes louder when turning in one direction could indicate a failing

wheel bearing.

○ Solution: Replacing a faulty wheel bearing is necessary to prevent wheel failure

and ensure safe driving. This is typically a job for a professional mechanic, as it

requires specialized tools.


6. Tire Problems


○ Description: Tires can also be a source of noise when turning, particularly if they

are unevenly worn or underinflated.

○ Symptoms: A thumping noise when turning, or a vibration in the steering wheel,

might indicate tire issues. Uneven tread wear can cause the tires to make more

noise, especially when turning.

○ Solution: Regular tire maintenance, including proper inflation, alignment, and

rotation, can prevent these issues. If the tires are unevenly worn, they might need

to be replaced to restore smooth and quiet driving.


Preventative Maintenance Tips


To avoid these issues in the future, regular maintenance is key:

● Regularly Check Fluid Levels: Keeping an eye on the power steering fluid, brake fluid,

and other vital fluids can prevent many noise-related issues.

● Inspect Tires: Regular tire rotations, balancing, and alignment checks can prevent

uneven wear and noise.

● Routine Brake Inspections: Ensure your brake pads, rotors, and other components are

in good condition to avoid grinding and other noises.

● Suspension Maintenance: Have your suspension components inspected during routine

maintenance to catch wear and tear early.

Conclusion

Hearing a noise when you turn your car can be alarming, but understanding the potential

causes can help you address the issue quickly and effectively. Whether it's a simple fix like

topping up the power steering fluid or a more complex issue like replacing CV joints, taking

action early can save you from more significant problems down the road. Regular maintenance

and timely repairs are essential to keeping your car running smoothly and quietly. If you're ever

in doubt, don't hesitate to seek the advice of a professional mechanic to ensure your vehicle's

safety and performance.

By staying proactive and attentive to your car's sounds, you can enjoy a smoother and quieter

ride, free from the worry of unexpected noises.


https://youtu.be/xI_Hgcwo0U0


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Symptoms: Smell intensifies during long drives or when the engine overheats. How Hal’s Auto Care Can Help At Hal’s Auto Care, we’re equipped with the expertise and tools to diagnose and fix issues causing unpleasant odors in your vehicle. Here’s what we can do: Catalytic Converter Services We’ll inspect your catalytic converter for damage, clogs, or inefficiency. If needed, we can clean, repair, or replace it using high-quality parts. Fuel System Diagnostics Our technicians will clean fuel injectors, adjust pressure regulators, and ensure your fuel system operates efficiently with low-emission results. Oxygen Sensor Replacement Faulty oxygen sensors will be replaced with durable, high-quality parts, restoring proper engine performance and emissions control. Exhaust System Inspections We’ll thoroughly inspect your exhaust system for leaks, corrosion, and blockages, ensuring safe and efficient operation. Fluid Maintenance Regular oil, transmission fluid, and coolant replacements are critical to preventing overheating and associated odors. We’ll ensure all fluids are in optimal condition. Why Choose Hal’s Auto Care in Sacramento, CA? Hal’s Auto Care has been a trusted name in Sacramento for years. Here’s why customers continue to rely on us for their automotive needs: Experienced Technicians: Our ASE-certified professionals bring years of expertise in solving complex automotive problems. Advanced Diagnostics: We use state-of-the-art tools to pinpoint issues quickly and accurately. Sustainable Practices: We’re committed to eco-friendly automotive care, reducing emissions and waste. Customer-Centered Service: We prioritize clear communication, honest advice, and fair pricing. Convenient Location: Located at 2425 Tower Ave, Sacramento, CA, we’re easy to find and ready to help. Preventative Maintenance Tips for Avoiding Rotten Egg Smells Keep your car running smoothly and smelling fresh with these tips: Invest in High-Quality Fuel: Use fuel with low sulfur content to reduce emissions. Replace Fluids on Schedule: Regularly change engine oil, transmission fluid, and coolant to prevent overheating. Schedule Regular Inspections: Routine check-ups for your catalytic converter, exhaust system, and sensors are essential. Monitor Warning Signs: Pay attention to your “check engine” light and unusual noises. Inspect Your Exhaust System: Look for leaks, corrosion, or damage, and address them promptly. Consequences of Ignoring the Problem Neglecting the rotten egg smell can lead to several issues, including: Increased Emissions: A failing catalytic converter can result in higher emissions and failing California’s strict emissions tests. Reduced Fuel Efficiency: Inefficient combustion means spending more at the pump. 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