Why Your Car Might Be Making a Squealing Noise
- Tyler Ellis
- Aug 20
- 2 min read
If you’ve ever started your car or driven off only to hear a high-pitched squeal, you’re not alone. Many drivers ask, “Why is my car making a squealing noise?”, and while it might be a minor issue, it can also indicate something that needs immediate attention. The key is identifying where the noise is coming from and when it happens.
At Round Rock Auto Center, we track down the source of squealing noises every day and fix them before they cause bigger problems.
Common Causes of Squealing Noises
Different squealing sounds can point to different problems. Here are the most common:
Worn drive belt or serpentine belt – Over time, belts can crack, glaze, or stretch, causing slipping and squealing.
Glazed brake pads or rotors – A high-pitched squeal while braking usually means the brake pads are worn or contaminated.
Loose or misaligned belt pulleys – If a pulley isn’t aligned correctly, it can cause belt noise.
Low or contaminated brake fluid – Can cause brake system issues that result in squealing.
Weather-related moisture – Rain or humidity can temporarily cause squeaks when starting the engine.
How to Narrow Down the Cause
A few quick checks can help determine what’s wrong:
When does it happen? Only when starting? Only when braking? Constantly?
Where does it sound like it’s coming from? Under the hood or near the wheels?
Does it change with speed? If yes, it’s more likely related to belts, brakes, or wheel components.
Why You Should Fix It Quickly
Ignoring a squealing noise can:
Lead to a broken belt, which can disable your alternator, power steering, or A/C.
Cause brake failure if pads or rotors are too worn.
Damage connected components like pulleys or tensioners.
How We Fix Squealing Noises
When you bring your car to Round Rock Auto Center, we:
Listen to the noise to narrow down the location.
Inspect belts, pulleys, and tensioners for wear or misalignment.
Check brake pads, rotors, and fluid levels.
Repair or replace any worn parts using high-quality components.
Test drive to ensure the noise is gone.
Get Rid of That Squealing Sound for Good
If you’ve been wondering why your car is making a squealing noise, don’t wait for it to turn into a costly repair. Contact Round Rock Auto Center today to schedule an inspection and get your vehicle running smoothly and quietly again.
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