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What are the common suspension issues reported for the 2021 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What are the common suspension issues reported for the 2021 Toyota Highlander?

What are the common suspension issues reported for the 2021 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

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

Problem Statement

Explore common suspension issues reported for the 2021 Toyota Highlander, including symptoms, diagnostic steps, tools required, and repair instructions.

Affected Component
suspension

Symptoms

  • •Excessive Noise While Driving
  • •Uneven Tire Wear
  • •Poor Ride Quality
  • •Steering Problems
  • •Vehicle Height Issues

Diagnostic Steps

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

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

  • •Basic Hand Tools: Socket set, wrenches, pliers, screwdrivers
  • •Torque Wrench
  • •Jack and Jack Stands
  • •Pneumatic or Electric Impact Wrench
  • •Tire Pressure Gauge
  • •Alignment Tool
  • •Diagnostic Scanner

Additional Information

Affected Component
suspension
Difficulty
medium
Severity
medium
Tools Required
7 items

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Common Suspension Issues for the 2021 Toyota Highlander

The 2021 Toyota Highlander, part of the Fourth Generation (XU70), may experience several common suspension issues. Below are symptoms, diagnostic steps, tools required, and repair instructions for these issues.


Common Symptoms of Suspension Issues
  1. Excessive Noise While Driving

    • Clunking, rattling, or popping sounds when driving over bumps or potholes.
  2. Uneven Tire Wear

    • Tires wearing unevenly or exhibiting bald spots, indicating misalignment or suspension failure.
  3. Poor Ride Quality

    • Harsh ride over bumps, excessive body roll during cornering, or vehicle bouncing excessively.
  4. Steering Problems

    • Loose or vague steering feel, or the vehicle pulling to one side.
  5. Vehicle Height Issues

    • The vehicle appears to sag on one side or the front or rear seems lower than expected.

Tools Required
  • Basic Hand Tools: Socket set, wrenches, pliers, screwdrivers
  • Torque Wrench: For proper fastening of suspension components
  • Jack and Jack Stands: To safely lift the vehicle
  • Pneumatic or Electric Impact Wrench: For quicker removal of bolts
  • Tire Pressure Gauge: To check tire pressure
  • Alignment Tool: For checking and adjusting wheel alignment
  • Diagnostic Scanner: To check for any related error codes (if applicable)

Repair Instructions

1. Replacing Worn Shocks/Struts

Symptoms: Excessive bouncing, noise, poor ride quality.

Procedure:

  1. Lift the Vehicle: Use the jack and jack stands to elevate the vehicle safely.
  2. Remove Wheel: Take off the wheel to access the suspension.
  3. Disconnect the Shock/Strut:
    • Remove the upper mount bolts (usually located under the hood).
    • Remove the lower bolts securing the shock/strut to the suspension arm.
  4. Install New Shock/Strut:
    • Position the new shock/strut in place.
    • Secure the lower bolt first, then the upper mount.
    • Torque all bolts to manufacturer specifications.
  5. Reinstall Wheel: Place the wheel back on and lower the vehicle.

2. Replacing Control Arms or Bushings

Symptoms: Clunking noises, uneven tire wear.

Procedure:

  1. Lift the Vehicle: Securely lift the vehicle and remove the relevant wheel.
  2. Remove Control Arm:
    • Remove the bolts securing the control arm to the chassis and the wheel hub.
    • If bushings are worn, press out the old bushings and press in the new ones.
  3. Install New Control Arm:
    • Position the new control arm and secure it with bolts.
    • Torque to specifications.
  4. Reinstall Wheel: Put the wheel back on and lower the vehicle.

3. Wheel Alignment

Symptoms: Vehicle pulls to one side, uneven tire wear.

Procedure:

  1. Check Tire Pressure: Ensure all tires are inflated to the recommended PSI.
  2. Perform Alignment:
    • Use an alignment tool to measure angles.
    • Adjust the tie rods to achieve proper camber, caster, and toe settings according to specifications.
  3. Test Drive: After alignment, take the vehicle for a test drive to ensure it tracks straight.

Conclusion

While the 2021 Toyota Highlander is generally reliable, addressing suspension issues promptly can ensure safety and comfort. Regular inspections and maintenance are crucial to prolonging the life of suspension components. If symptoms persist despite repairs, consult a professional technician for further diagnosis.