Mechanic Tips

What to Do When Your Car Shakes at High Speeds

Experiencing your car shaking at high speeds can be unsettling and may indicate underlying issues that require attention. Understanding the causes and knowing how to address them is crucial for ensuring a safe and smooth driving experience. This article will guide you through identifying the reasons behind this phenomenon and provide practical solutions to resolve it.

Identifying the Causes

Several factors can contribute to your car shaking at high speeds:

  1. Unbalanced Wheels and Tires: A common culprit, imbalanced tires can cause vibrations. Regular tire balancing is essential for a smooth ride.
  2. Wheel Alignment Issues: Incorrect alignment can lead to car shaking. Ensuring your wheels are properly aligned is crucial for stability.
  3. Suspension Problems: Worn or damaged suspension components can cause shaking. Regular inspections and timely replacements are key.
  4. Brake System Issues: Warped rotors or faulty brake components can contribute to vibrations, especially during braking.
  5. Axle and Driveshaft Problems: Bent or damaged axles and driveshafts can cause noticeable shaking at certain speeds.
  6. Engine and Transmission Mounts: Worn mounts can result in vibrations being transmitted to the cabin.
  7. Vacuum Hose Issues: A disconnected or torn vacuum hose can lead to engine problems, causing shaking.

Addressing the Issue

Once you’ve identified the possible cause, here’s how to address it:

  1. Tire Balancing: Have your tires balanced by a professional. This simple fix can often resolve shaking issues.
  2. Wheel Alignment: Get a professional wheel alignment. This not only fixes shaking but also prolongs tire life.
  3. Suspension Repair: Replace worn shocks, struts, or control arms to stabilise your ride.
  4. Brake System Maintenance: Inspect and replace warped brake rotors, pads, or calipers as needed.
  5. Axle and Driveshaft Inspection: Have a mechanic check and repair or replace bent axles or driveshafts.
  6. Mount Replacement: Replace any worn engine or transmission mounts to reduce vibrations.
  7. Vacuum Hose Repair: Ensure all vacuum hoses are connected and in good condition.

Preventive Measures

Regular maintenance is key to preventing high-speed shaking:

  • Regularly check and balance tires.
  • Maintain proper wheel alignment.
  • Inspect suspension and brake systems routinely.
  • Address any engine or transmission issues promptly.


What are the risks of ignoring car shaking at high speeds?

Ignoring car shaking can lead to more severe mechanical problems, reduced vehicle control, and safety risks.

How often should I have my car’s suspension checked?

It’s advisable to have your suspension inspected at least annually or every 12,000 to 15,000 miles.

Can DIY methods effectively fix high-speed shaking?

While some issues like tightening loose lug nuts can be a DIY fix, professional assistance is recommended for most causes.

Is tire rotation important in preventing car shaking?

Yes, regular tire rotation helps in even tire wear, which is vital in preventing vibrations at high speeds.

In conclusion, addressing the issue of your car shaking at high speeds is crucial for your safety and vehicle longevity. At SNC Automotive, our certified Brendale mechanics, with over 20 years of experience, are equipped to diagnose and fix these issues, ensuring your vehicle operates smoothly and safely.

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