What are the most frequent suspension issues in the 2022 Toyota Highlander?

Common Suspension Issues in the 2022 Toyota Highlander

The 2022 Toyota Highlander, part of the fourth generation (XU70), may experience several suspension issues typical of modern SUVs. Below are the most frequent issues, symptoms, diagnostic steps, tools required, and repair instructions.

Common Suspension Issues

1. Worn Shock Absorbers/Struts
2. Suspension Noise (Clunking or Rattling)
3. Uneven Tire Wear
4. Pulling to One Side When Driving
5. Excessive Body Roll or Squat

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Issue 1: Worn Shock Absorbers/Struts

Tools Required

• Jack and jack stands
• Wrench set
• Torque wrench
• Shock absorber/strut tool (if needed)

Repair Instructions

1. Lift the Vehicle: Use a jack to lift the vehicle and secure it with jack stands.
2. Remove the Wheel: Use a lug wrench to remove the wheel for access.
3. Disconnect the Shock/Strut:
   • Remove any bolts connecting the shock/strut to the lower control arm.
   • Remove the top mounting nuts from the strut tower.
4. Install New Shock/Strut:
   • Position the new strut in place and reinstall the bolts and nuts, torquing them to the manufacturer specifications.
5. Reattach the Wheel: Put the wheel back on and lower the vehicle.
6. Test Drive: After installation, conduct a test drive to ensure the issue is resolved.

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Issue 2: Suspension Noise (Clunking or Rattling)

Tools Required

• Wrench set
• Torque wrench

Repair Instructions

1. Locate the Source of the Noise: Identify the components that are loose or worn.
2. Tighten or Replace Components:
   • Tighten any loose bolts or nuts.
   • Replace any damaged components such as sway bar links or bushings.
3. Test Drive: Check if the noise persists.

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Issue 3: Uneven Tire Wear

Tools Required

• Tire tread depth gauge
• Alignment tools (if DIY)

Repair Instructions

1. Rotate Tires: If uneven wear is detected, rotate the tires to promote even wear.
2. Perform Alignment:
   • Adjust camber, toe, and caster angles to bring them within specifications.
3. Replace Worn Components: If misalignment is due to worn suspension parts, replace them as needed.

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Issue 4: Pulling to One Side When Driving

Tools Required

• Tire pressure gauge
• Wrench set

Repair Instructions

1. Adjust Tire Pressure: Inflate tires to the correct pressure if needed.
2. Perform Wheel Alignment: Adjust as previously described.
3. Inspect and Replace Worn Parts: Address any worn components related to alignment.

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Issue 5: Excessive Body Roll or Squat

Tools Required

• Jack and jack stands
• Wrench set
• Torque wrench

Repair Instructions

1. Replace Worn Springs or Bushings:
   • Lift the vehicle and remove the necessary components to access springs/bushings.
   • Replace with OEM or high-quality aftermarket parts.
2. Reassemble and Test Drive: After installation, reassemble and conduct a test drive.

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By following these detailed steps, you can diagnose and repair the most common suspension issues in the 2022 Toyota Highlander. Always consult the vehicle's service manual for specific torque specifications and procedures.