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
2
3
4
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
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
Excessive Noise While Driving
Clunking, rattling, or popping sounds when driving over bumps or potholes.
Uneven Tire Wear
Tires wearing unevenly or exhibiting bald spots, indicating misalignment or suspension failure.
Poor Ride Quality
Harsh ride over bumps, excessive body roll during cornering, or vehicle bouncing excessively.
Steering Problems
Loose or vague steering feel, or the vehicle pulling to one side.
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)
Lift the Vehicle: Use the jack and jack stands to elevate the vehicle safely.
Remove Wheel: Take off the wheel to access the suspension.
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.
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.
Reinstall Wheel: Place the wheel back on and lower the vehicle.
2. Replacing Control Arms or Bushings
Symptoms: Clunking noises, uneven tire wear.
Procedure:
Lift the Vehicle: Securely lift the vehicle and remove the relevant wheel.
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.
Install New Control Arm:
Position the new control arm and secure it with bolts.
Torque to specifications.
Reinstall Wheel: Put the wheel back on and lower the vehicle.
3. Wheel Alignment
Symptoms: Vehicle pulls to one side, uneven tire wear.
Procedure:
Check Tire Pressure: Ensure all tires are inflated to the recommended PSI.
Perform Alignment:
Use an alignment tool to measure angles.
Adjust the tie rods to achieve proper camber, caster, and toe settings according to specifications.
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.