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Squealing Noise from Engine Bay on 2024 GV70 2.5T - Serpentine Belt?

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Mike T. · rep 0 · May 25, 4:38 AM · 1 replies · solved · Question

Vehicle: 2024 Genesis GV70 2.5T

Hi all,

I recently purchased a 2024 Genesis GV70 2.5T, and it only has about 8,000 miles on it. For the past week, I've started hearing a distinct squealing noise coming from the engine bay, especially when I first start the car in the morning or after it's been sitting for a while. The noise tends to lessen or go away completely once the engine warms up, or after a few minutes of driving.

It sounds very much like a belt squeal to me, but I'm surprised to hear it on such a new car. Is this a common issue with the 2.5T engine or Genesis vehicles in general? Could it be the serpentine belt, even at this low mileage? What should I be looking for, and is this something I can inspect myself, or should I take it straight to the dealership under warranty?

Any insights would be helpful!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:38 AM

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ClearTheCode admin answer:

A squealing noise, especially on cold start that dissipates as the engine warms up, is a classic symptom of a serpentine belt issue. While surprising on a new vehicle, it's not unheard of.

  1. Likely Cause: The serpentine belt, also known as the drive belt, is highly likely the culprit. Even on a new car, a belt can develop issues due to:
    • Factory Defect: A slightly out-of-spec belt or one with a minor imperfection.
    • Contamination: Oil, coolant, or other fluids could have gotten on the belt during assembly or initial operation.
    • Tensioner Issue: Less common on a new car, but a faulty automatic tensioner could be causing improper belt tension.
    • Pulley Misalignment/Bearing: A slightly misaligned pulley or a bearing starting to go bad on an accessory (alternator, AC compressor, power steering pump if applicable) could also cause squealing.
  2. DIY Inspection: You can visually inspect the belt yourself. With the engine off and cool, check for:
    • Cracks or Fraying: Look for any visible damage along the ribs or edges of the belt.
    • Glazing: A shiny, slick appearance on the ribbed side of the belt indicates it's losing grip.
    • Contamination: Look for any oil, grease, or coolant residue on the belt or pulleys.
    • Tension: While you can't manually check the tension on an automatic tensioner, ensure the tensioner arm is moving freely and holding tension.
  3. When to See a Shop (Warranty): Since your vehicle is a 2024 model with only 8,000 miles, it is well within its factory warranty period. This issue should be covered. It is highly recommended to take it to a Genesis dealership for diagnosis and repair. They will have the specialized tools and knowledge to accurately diagnose the source of the squeal and replace any faulty components under warranty.
  4. Why it's Important: A failing serpentine belt can lead to loss of power steering (if applicable), alternator charging, and AC operation. If it breaks completely, your vehicle will become inoperable. Address this promptly under warranty.
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