What are the common issues with the Toyota Highlander’s suspension system?

Toyota Highlander Fourth Generation (2020-present)

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5 min read

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Problem Statement

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

Affected Component

suspension system

Symptoms

•Excessive bouncing after hitting bumps
•Noticeable body roll during cornering
•Uneven tire wear
•Clunking noise when driving over bumps
•Poor handling and stability during turns
•Steering instability
•Vehicle pulls to one side
•Steering wheel is off-center

Diagnostic Steps

1
Visual Inspection: Check for oil leaks around the shocks/struts
2
Bounce Test: Push down on the front or rear of the vehicle
3
Listen for Noises: Drive over bumps and listen for any unusual sounds
4
Check for Play: Grasp the sway bar and check for excessive movement
5
Shake Test: With the vehicle lifted, shake the wheel up and down to check for play
6
Check for cracks or excessive wear on the ball joint boot
7
Check for cracks or damage on the control arm
8
Test Drive: Observe if the vehicle drifts or pulls when driving straight

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

•Floor jack
•Jack stands
•Wrench set
•Torque wrench
•Safety glasses
•Socket set
•Ball joint separator tool
•Alignment tool
•Tire pressure gauge

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Back to Generation

Common Issues with the Toyota Highlander Suspension System (Fourth Generation, 2020-Present)

The Toyota Highlander (XU70) has a well-engineered suspension system, but like any vehicle, it can experience issues over time. Below are some common suspension problems, their symptoms, diagnostic steps, tools required, and repair instructions.

Common Issues

Worn Out Struts/Shocks
Sway Bar Link Failure
Ball Joint Wear
Control Arm Issues
Alignment Problems

1. Worn Out Struts/Shocks

Tools Required

Floor jack
Jack stands
Wrench set
Torque wrench
Safety glasses

Repair Instructions

Lift the Vehicle: Use a floor jack to lift the vehicle and secure it with jack stands.
Remove the Wheel: Take off the wheel that corresponds to the strut/shock.
Disconnect the Strut/Shock: Remove the bolts at the top and bottom of the strut/shock using the wrench set.
Install New Strut/Shock: Align the new strut with the mounting points and torque to manufacturer specifications.
Reinstall the Wheel: Put the wheel back on and lower the vehicle.
Test Drive: Check for improved ride quality.

2. Sway Bar Link Failure

Tools Required

Socket set
Torque wrench
Jack and jack stands

Repair Instructions

Lift the Vehicle: Securely lift the vehicle using a floor jack and jack stands.
Remove the Wheel: Take off the wheel to gain access to the sway bar links.
Disconnect the Sway Bar Link: Remove the bolts securing the sway bar link to the sway bar and control arm using the socket set.
Install New Sway Bar Link: Attach the new sway bar link and torque bolts to specification.
Reinstall the Wheel: Put the wheel back on and lower the vehicle.
Test Drive: Check for noise and handling improvement.

3. Ball Joint Wear

Tools Required

Jack and jack stands
Socket set
Ball joint separator tool
Torque wrench

Repair Instructions

Lift the Vehicle: Use a floor jack and secure it with jack stands.
Remove the Wheel: Take off the wheel to access the ball joint.
Disconnect the Ball Joint: Use a ball joint separator tool to disconnect the ball joint from the control arm.
Install New Ball Joint: Position the new ball joint and secure it with the proper torque settings.
Reinstall the Wheel: Reattach the wheel and lower the vehicle.
Test Drive: Ensure the clunking noise is resolved.

4. Control Arm Issues

Tools Required

Jack and jack stands
Socket set
Torque wrench

Repair Instructions

Lift the Vehicle: Securely lift the vehicle using a floor jack and jack stands.
Remove the Wheel: Take off the wheel to access the control arm.
Disconnect the Control Arm: Remove the bolts securing the control arm to the frame and the steering knuckle.
Install New Control Arm: Position the new control arm and torque the bolts to specifications.
Reinstall the Wheel: Put the wheel back on and lower the vehicle.
Test Drive: Check for any abnormal noises or handling issues.

5. Alignment Problems

Tools Required

Alignment tool (or access to a professional alignment rack)
Tire pressure gauge

Repair Instructions

Check Tire Pressure: Ensure all tires are inflated to the recommended pressure.
Perform Alignment: Use an alignment tool or take the vehicle to a professional for a four-wheel alignment.
Test Drive: After alignment, take the vehicle for a test drive to ensure it tracks straight.

By following these detailed steps, you can effectively diagnose and repair common suspension issues with the Toyota Highlander (XU70). Always refer to the manufacturer’s specifications for torque settings and procedures. If you’re unsure about any repair, consult with a professional technician.