2019 Toyota Highlander Has A Rattling Noise

Resolve Rattling Noises in Your 2019 Toyota Highlander

Find Repair Location
Reviewed by
Bo Fader
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 2019 Toyota Highlander 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 2019 Toyota Highlander?

To effectively diagnose the rattling noise in your 2019 Toyota Highlander, begin by carefully listening to pinpoint the noise's origin, as this will guide your inspection. Start with a visual check of the engine bay and undercarriage for any loose parts, such as heat shields or exhaust components, which are common culprits. Next, inspect the exhaust system for any damaged or loose elements, including brackets and muffler hangers, as these can contribute significantly to rattling sounds. Don’t overlook the suspension; examine struts, sway bar links, and bushings for wear or damage that might be causing the noise. Additionally, check the engine for loose belts, pulleys, or mounts that could be at fault. After these inspections, take your Highlander for a test drive to see if the noise correlates with specific driving conditions, which can help narrow down the source. If you still cannot identify the issue, consulting a qualified mechanic is advisable for a more thorough diagnosis. By following this structured approach, you can efficiently troubleshoot the rattling noise and determine the necessary steps for repair.

What are the common causes of a rattling noise in a 2019 Toyota Highlander?

When diagnosing a rattling noise in your 2019 Toyota Highlander, it's important to consider several common issues that could be at play. One frequent culprit is loose heat shields, which can vibrate and create noise as you drive. Inspecting these shields for tightness can be a straightforward DIY task. Additionally, check the exhaust system for any loose or damaged pipes, as these can also contribute to unwanted sounds. Worn-out suspension components, such as struts or sway bar links, may lead to rattling, especially when navigating bumpy roads; a visual inspection can help identify any visible wear or damage. Engine-related issues, like loose belts or pulleys, can produce rattling noises during acceleration, so it's wise to examine these components as well. Lastly, don't overlook the possibility of loose or damaged body panels, particularly in the undercarriage or wheel wells, which can also cause rattling. While some of these checks can be performed at home, consulting a qualified mechanic for a thorough inspection is advisable to ensure your Highlander remains in optimal condition.

How urgent is it to address the rattling noise in my 2019 Toyota Highlander?

Addressing a rattling noise in your 2019 Toyota Highlander should be treated with urgency due to the potential consequences of ignoring it. Rattling sounds often signal underlying mechanical issues that, if left unchecked, can escalate into more severe problems, leading to costly repairs. Moreover, these noises may indicate safety concerns that could compromise your vehicle's performance and your safety on the road. For instance, a loose component could detach while driving, posing a risk not only to you but also to other road users. Additionally, neglecting such issues can adversely affect your vehicle's resale value, as prospective buyers are likely to be wary of a car with unresolved mechanical noises. Therefore, it is crucial to investigate the source of the rattling noise as soon as possible, whether through a DIY inspection or by consulting a professional mechanic, to ensure your Highlander remains safe, reliable, and valuable.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2019 Toyota Highlander Rattling Noise: Causes & Repairs