What Causes the Clicking Noise When a Lexus Goes Over Bumpy Roads?
2 Answers
The causes of the clicking noise when a Lexus goes over bumpy roads are as follows: 1. Plastic Components: The source of the noise is the dashboard. While this cannot be considered a normal phenomenon, it is a relatively common issue found in many vehicle models. Such noises typically occur in areas with a high concentration of plastic parts, such as the instrument panel or door interior panels. Timely identification and replacement can resolve the issue. 2. Friction Due to Compression: Mutual compression can cause friction noise. Generally, this type of noise may vary with seasonal and environmental temperature changes. Although it does not affect the vehicle's driving performance, it is necessary to disassemble and inspect the noisy area to check for poor assembly or loose components that may need re-tightening.
As a long-time Lexus owner, I'd like to share some experience: The most common cause of rattling noises is issues with the suspension system, such as loose stabilizer links or worn bushings. When components collide on bumpy roads, they produce that sound. I personally encountered this issue, and later at the dealership, we found it was caused by a damaged ball joint. Aging shock absorber mounts can also create similar noises, sounding like small metal pieces tapping. I recommend addressing it promptly to avoid potential damage to other components and ensure safety. During regular maintenance, pay attention to any changes in sounds for early detection and repair. Additionally, loose chassis bolts might cause rattling, though this is less common given Lexus's generally good build quality.
