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Squealing Brakes on my 2018 Elantra - What could it be?

0

Mike T. · rep 0 · May 25, 2:01 AM · 1 replies · solved · Question

Vehicle: 2018 Hyundai Elantra SE

Hey everyone,

I've got a 2018 Hyundai Elantra SE with about 65,000 miles on it, and lately, the brakes have started making a really annoying squealing sound. It's most noticeable when I'm braking lightly, especially at lower speeds, like coming to a stop sign or in traffic.

The sound seems to be coming from the front wheels. I haven't noticed any significant change in stopping power, but the noise is definitely getting worse. I had the pads and rotors replaced about 25,000 miles ago, so I'm hoping it's not something major already.

Could this just be normal wear and tear, or is there something specific I should be looking out for? Any ideas on what might be causing this and if it's something I can check myself before taking it to a shop?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 2:01 AM

0

ClearTheCode admin answer:

Squealing brakes are a common concern and can be caused by several factors. Given your description, here's a breakdown of potential causes and what to do:

  1. Pad Wear Indicators: Most brake pads have a small metal tab called a wear indicator. When the pads wear down to a certain point, this tab scrapes against the rotor, producing a high-pitched squeal to alert you it's time for replacement. This is the most common cause of squealing.
  2. Glazed Rotors or Pads: If brake pads or rotors get excessively hot, their surfaces can become hard and shiny, or 'glazed.' This can lead to squealing and reduced braking performance. This often happens from hard braking or stop-and-go traffic.
  3. Contamination: Brake components can get contaminated with dirt, dust, road grime, or even brake fluid or grease. This contamination can cause noise. Sometimes, simply cleaning the brakes can resolve the issue.
  4. Improper Installation or Cheap Pads: If the pads were installed without proper lubrication (anti-squeal grease) on the backing plates, or if lower-quality pads were used, they might be prone to squealing. Also, some performance pads are inherently noisier.
  5. Rust/Corrosion: After the car sits for a while, especially in damp conditions, a thin layer of rust can form on the rotors. This usually grinds off after the first few stops but can cause temporary noise.

When to See a Shop:

  • Immediate Inspection: If the squealing is accompanied by grinding, a soft brake pedal, or a noticeable decrease in stopping power, get it inspected immediately. Grinding often indicates metal-on-metal contact, which can severely damage rotors and is unsafe.
  • Persistent Squeal: If the squealing persists after a few days of driving and isn't just a morning rust issue, it's best to have a professional inspect your brake pads and rotors. They can determine the exact cause and recommend appropriate action, whether it's pad replacement, rotor resurfacing/replacement, or cleaning.
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