2020 Genesis G90 Has A Rattling Noise

Diagnosing the Causes of Rattling Noises in Your 2020 Genesis G90 and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
28% chance it's the
Ball Joints
0%
16% chance it's the
Struts or Strut Mount
0%
12% chance it's the
Sway Bar Links
0%
44% chance it's
Something else
The most common reasons a 2020 Genesis G90 has a rattling noise are the ball joints, struts or strut mount, or a problem with the sway bar links.
  • Ball Joints: A worn or damaged ball joint can result in poor steering response and uneven tire wear due to compromised suspension geometry.
  • Struts or Strut Mount: A worn or damaged strut or strut mount can result in poor ride quality, excessive noise, and uneven tire wear.
  • Sway Bar Links: A worn or damaged sway bar link can result in excessive body roll and clunking noises during turns.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What steps should I take to diagnose the rattling noise in my 2020 Genesis G90?

When diagnosing a rattling noise in your 2020 Genesis G90, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by carefully listening to the noise to identify its source, as this can significantly narrow down potential issues. Once you have a general idea of where the sound is coming from, inspect the engine bay, undercarriage, and interior for any loose parts that may be contributing to the rattling. Pay particular attention to the exhaust system, as loose heat shields or damaged brackets can often be culprits. Next, examine the suspension components for wear or damage, as issues with bushings or struts can lead to similar noises. Additionally, ensure that all engine components are securely fastened, as loose belts or mounts can also create rattling sounds. After conducting these checks, take your vehicle for a test drive to replicate the conditions under which the noise occurs, noting any specific triggers. If the source remains elusive or the noise persists, consulting a qualified mechanic is advisable for a thorough diagnosis and repair. This methodical approach not only helps in identifying the issue but also ensures that you address it effectively, potentially saving time and money in the long run.

What are the common causes of a rattling noise in a 2020 Genesis G90?

When dealing with rattling noises in your 2020 Genesis G90, it's essential to understand the common culprits that could be at play. Start by checking for loose parts, as components like heat shields, exhaust elements, or interior trim can vibrate and create unwanted sounds while driving. Next, inspect the suspension system; worn-out struts, shocks, or bushings can lead to rattling, particularly when navigating uneven surfaces. Additionally, engine-related issues, such as loose belts or worn pulleys, may contribute to the noise, so a thorough examination of the engine bay is advisable. Don't overlook the exhaust system, where a loose heat shield or damaged catalytic converter can produce rattling during acceleration. Lastly, consider the brake system; worn brake pads or loose calipers can also manifest as rattling sounds, especially at lower speeds. By systematically checking these areas, you can identify and potentially resolve the source of the rattling noise in your vehicle.

How urgent is it to address the rattling noise in my 2020 Genesis G90?

Addressing the rattling noise in your 2020 Genesis G90 is not just a matter of comfort; it is a critical safety concern that requires immediate attention. Rattling sounds can signal loose components or more severe mechanical issues that, if ignored, may escalate into costly repairs or even compromise your vehicle's safety. For instance, a rattling noise could indicate a problem with the suspension system or exhaust components, both of which are vital for safe driving. Furthermore, neglecting these symptoms can lead to further damage, potentially resulting in breakdowns or accidents that could endanger you and others on the road. Additionally, maintaining your vehicle's condition is essential for preserving its resale value; addressing rattling noises promptly ensures that your Genesis G90 remains in optimal shape. Therefore, if you notice any unusual sounds, it is crucial to investigate and resolve the issue as soon as possible to safeguard your vehicle's performance and your safety.

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