High-Speed Vibration in Vehicle?

QuestionsCategory: Ask An ExpertHigh-Speed Vibration in Vehicle?
Christopher Thompson asked 5 months ago
I'm experiencing significant vibration in my car when driving at high speeds, around 120 km/h. The whole car starts to shake. What's going on, and how do I fix this?
1 Answers
Zack Norman Staff answered 5 months ago
Hello there Christopher, Vibrations at high speeds can be unsettling and indicate several potential issues with your vehicle. Here are the steps you can take to diagnose and resolve the problem:
  • Wheel Balancing: The most common cause of high-speed vibration is imbalanced wheels. Getting your wheels balanced, especially with a road force balance, can often solve the issue. A road force balance is more comprehensive than a standard balance and can address more subtle discrepancies.
  • Wheel Alignment and Tire Inspection: Check for any tire damage and ensure they are properly inflated. Also, consider getting a wheel alignment. Misaligned wheels can cause vibrations and uneven tire wear.
  • Suspension and Steering Components: Vibrations can sometimes be due to worn-out suspension components like struts, tie rods, or control arms. Have these inspected, especially if your vehicle has high mileage or rough driving.
  • Drive Axles and CV Joints: In front-wheel or all-wheel-drive vehicles, damaged drive axles or CV joints can cause vibrations. This is more common if the vibration increases with acceleration.
  • Brake System: Warped brake rotors can also cause vibrations, particularly noticeable when braking. This would need a brake system inspection.
  • Engine Mounts: Although less common, worn engine mounts can transmit engine vibrations to the entire vehicle.
Considering the potential safety implications, it's advisable to address this issue promptly. Start with the most common causes like tire balance and alignment, and if the problem persists, move on to inspecting suspension components and other areas as mentioned. It's often best to seek the help of a professional mechanic to accurately diagnose and resolve the issue, given how complex this can get. Hope that answers your question :-) Drive safely, Zack - Motor Verso Mechanics Team