why does my Toyota Highlander Fourth Generation (2020-present) vibrate at high speeds

Solution

1. Preparation

• Gather required tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.

2. Tire Inspection

• Sub-steps:
  • Remove hubcaps or wheel covers if necessary.
  • Inspect each tire for visible damage, such as bulges or punctures.
  • Check tread depth across the entire tire surface.
• Tools Required: Tire pressure gauge, flashlight.

3. Tire Pressure Adjustment

• Sub-steps:
  • Use a tire pressure gauge to measure the pressure of each tire.
  • Inflate tires to the manufacturer's recommended pressure (found on the driver’s door jamb).
• Tools Required: Air compressor, tire pressure gauge.

4. Wheel Balancing

• Sub-steps:
  • Remove the wheel from the vehicle.
  • Take the wheel to a tire shop or use a wheel balancer to check for balance.
  • Add wheel weights as necessary to correct balance.
  • Reinstall the wheel and torque lug nuts to the manufacturer's specifications (usually around 76 ft-lbs).
• Tools Required: Torque wrench, wheel balancer.

5. Suspension and Alignment Check

• Sub-steps:
  • Inspect all suspension components (ball joints, tie rods, shocks) for wear or damage.
  • If any parts are worn, replace them as needed.
  • Perform a four-wheel alignment if suspension components are within specifications.
• Tools Required: Alignment tools, jack and jack stands.