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What are the common suspension problems in the 2021 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What are the common suspension problems in the 2021 Toyota Highlander?

What are the common suspension problems in the 2021 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
717 words

Problem Statement

Explore common suspension problems in the 2021 Toyota Highlander, including symptoms, diagnostic steps, and repair instructions.

Affected Component
suspension

Symptoms

  • •Unusual Noises
  • •Poor Ride Quality
  • •Uneven Tire Wear
  • •Vehicle Leaning
  • •Steering Issues
  • •Warning Lights

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Jack and jack stands
  • •Torque wrench
  • •Socket set
  • •Wrench set
  • •Pry bar
  • •Wheel chocks
  • •Tire pressure gauge
  • •Alignment tools (if needed)
  • •Inspection mirror (optional)
  • •Creeper (optional for comfort)

Additional Information

Affected Component
suspension
Difficulty
medium
Severity
medium
Tools Required
10 items

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Back to Generation
Common Suspension Problems in the 2021 Toyota Highlander

The 2021 Toyota Highlander, part of the fourth generation (XU70), may experience a variety of suspension-related issues. Below are some common problems, their symptoms, diagnostic steps, tools required, and repair instructions.

Common Symptoms of Suspension Problems

  1. Unusual Noises:

    • Clunking, knocking, or popping sounds when going over bumps.
    • Squeaking noises while turning or going over uneven surfaces.

  2. Poor Ride Quality:

    • Excessive bouncing or swaying during driving.
    • A harsh ride over bumps or a feeling of instability.

  3. Uneven Tire Wear:

    • Tires showing signs of uneven wear patterns, particularly cupping or scalloping.

  4. Vehicle Leaning:

    • The vehicle leans to one side when turning or during braking.

  5. Steering Issues:

    • Loose or unresponsive steering, particularly when going around corners.

  6. Warning Lights:

    • Dashboard warning lights related to the vehicle stability control (VSC) system.
Tools Required
  • Jack and jack stands
  • Torque wrench
  • Socket set
  • Wrench set
  • Pry bar
  • Wheel chocks
  • Tire pressure gauge
  • Alignment tools (if needed)
  • Inspection mirror (optional)
  • Creeper (optional for comfort)
Repair Instructions

1. Replacing Worn Shock Absorbers/Struts:

Symptoms: Excessive bouncing, fluid leakage from shocks/struts.

Steps:

  1. Preparation:

    • Park the vehicle on a flat surface, engage the parking brake, and place wheel chocks behind the rear tires.

  2. Lift the Vehicle:

    • Use a jack to lift the front or rear of the vehicle and secure it with jack stands.

  3. Remove the Wheel:

    • Use a lug nut wrench to remove the wheel that corresponds to the strut or shock absorber being replaced.

  4. Disconnect the Shock/Strut:

    • Remove the bolts securing the bottom of the shock/strut to the control arm using a socket and wrench.
    • Access the top of the shock/strut in the engine bay or trunk, remove the retaining nuts, and pull the shock/strut out.

  5. Install New Shock/Strut:

    • Insert the new shock/strut into place, secure it at the top and bottom using the original or new hardware.
    • Torque the bolts to manufacturer specifications.

  6. Reattach the Wheel:

    • Reinstall the wheel and torque the lug nuts to the specified torque.

  7. Lower the Vehicle:

    • Carefully lower the vehicle back to the ground and remove the jack stands.

  8. Test Drive:

    • Take the vehicle for a test drive to ensure the new shocks/struts are functioning correctly.

2. Replacing Control Arm Bushings:

Symptoms: Clunking noises, steering issues, uneven tire wear.

Steps:

  1. Preparation:

    • Follow the same preparation steps as outlined above.

  2. Remove the Control Arm:

    • Remove the bolts securing the control arm to the frame and the steering knuckle.
    • Carefully detach the control arm from the vehicle.

  3. Remove Old Bushings:

    • Use a press or a suitable tool to remove the old bushings from the control arm.

  4. Install New Bushings:

    • Press in the new bushings, ensuring they are properly seated.

  5. Reinstall Control Arm:

    • Reattach the control arm to the frame and steering knuckle, torquing the bolts to specifications.

  6. Recheck Alignment:

    • After replacement, it’s recommended to have a professional alignment done.

  7. Test Drive:

    • Take the vehicle for a test drive, checking for any noises or handling issues.
Conclusion

Regular maintenance and prompt attention to symptoms can help prevent more severe suspension issues in the 2021 Toyota Highlander. If you're unsure about performing any of these repairs, consider consulting a professional mechanic.