why does my Toyota Highlander shake at highway speeds

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Park the vehicle on a level surface and engage the parking brake.
• Ensure the engine is off and cool down before starting work.

2. Tire Inspection and Replacement (if necessary)

• Sub-steps:
  1. Remove each wheel using a lug wrench.
  2. Inspect the tires for any signs of damage, such as bulges or punctures.
  3. Check tread depth across the tire surface; replace if uneven or below legal limits.

Tools Required:

• Lug wrench
• Tire pressure gauge
• Tire tread depth gauge

3. Wheel Balancing

• Sub-steps:
  1. Take the vehicle to a tire shop or use a wheel balancing machine.
  2. Follow the machine's instructions to balance each wheel.
  3. Reinstall the balanced wheels onto the vehicle, tightening lug nuts to the manufacturer’s specified torque (commonly 75-100 lb-ft).

Tools Required:

• Torque wrench

4. Suspension and Alignment Check

• Sub-steps:
  1. Inspect the suspension components for any signs of wear, such as bushings, ball joints, and struts.
  2. Replace any worn components as necessary.
  3. Perform a four-wheel alignment using an alignment machine to ensure proper alignment settings.

Tools Required:

• Alignment machine
• Basic hand tools for suspension component replacement