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Squealing brakes and vibration on my 2018 TLX A-Spec

0

Tom H. · rep 0 · May 22, 4:57 AM · 1 replies · solved · Question

Vehicle: 2018 Acura TLX A-Spec

Hey everyone, I've been noticing a persistent squealing sound from my brakes, especially at lower speeds or when I'm lightly pressing the pedal. It's a 2018 Acura TLX A-Spec with about 65,000 miles on it.

Lately, I've also started feeling a slight vibration through the brake pedal and sometimes the steering wheel when I'm braking from highway speeds. It's not constant, but definitely noticeable and a bit concerning.

I had the pads and rotors checked about 15,000 miles ago, and they seemed fine then. Could this be warped rotors already, or something else entirely? Any advice on what I should look into first?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 4:57 AM

0

ClearTheCode admin answer:

Brake squealing and vibration are common issues that can stem from several sources. Given your mileage and the symptoms, here's what you should consider:

  1. Inspect Brake Pads and Rotors: Even if checked recently, wear can accelerate. Squealing often indicates worn pads (wear indicators), but can also be caused by glazing or contamination. Vibration, especially under braking, is a classic symptom of warped brake rotors. Have a mechanic measure the rotor runout and pad thickness.
  2. Check Calipers: Sticky or seized brake calipers can cause uneven pad wear, squealing, and even vibration if they're not releasing properly. This can also lead to premature wear on one side of the vehicle.
  3. Wheel Bearings: While less common for brake-specific vibration, a failing wheel bearing can sometimes contribute to vibration felt through the steering wheel, which might be exacerbated during braking.
  4. Tire Balance/Alignment: Ensure your tires are properly balanced and that your alignment is within spec. While typically causing vibration at speed, severe imbalances can sometimes be felt during braking.

Causes:

  • Worn or Glazed Brake Pads: Pads can become glazed from overheating, leading to noise.
  • Warped Rotors: Uneven heat distribution or improper lug nut torque can cause rotors to warp.
  • Sticking Caliper Pistons or Slide Pins: Prevents pads from fully retracting or applying evenly.
  • Contamination: Oil, grease, or brake fluid on pads/rotors can cause squealing.

When to See a Shop: It's highly recommended to have a professional inspect your braking system as soon as possible. Brakes are a critical safety component. A shop can accurately diagnose warped rotors, check caliper function, and ensure all components are within safe operating limits. Ignoring these symptoms can lead to reduced braking performance and potentially dangerous situations.

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