What should I do if my 2020 Toyota Highlander is making a clunking noise when turning?

Toyota Highlander Fourth Generation (2020-present)

Error Codes

medium

Difficulty

medium

Severity

4 min read

670 words

Problem Statement

Learn how to diagnose and fix clunking noises when turning in your 2020 Toyota Highlander. Follow our step-by-step guide for effective repairs.

Affected Component

suspension, CV joints, power steering

Symptoms

•Clunking noise when making turns (left or right)
•Noise may be more prominent during sharp turns or when accelerating
•Vibration in the steering wheel while turning
•Potential issues with steering response or alignment

Diagnostic Steps

1
Initial Inspection: Visual Check and Listen to the Noise
2
Check for Loose Components: Inspect Control Arms, Ball Joints, Tie Rod Ends
3
Examine the CV Joints: Inspect for torn boots or grease leakage
4
Check the Differential and Transfer Case: Inspect fluid levels and listen for noises
5
Check the Power Steering System: Inspect fluid level and look for leaks

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
•Socket set
•Wrench set
•Torque wrench
•Pry bar
•Screwdrivers
•Inspection mirror
•Flashlight
•CV joint boot clamp tool (if needed)

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Diagnostic Steps

1
Initial Inspection: Visual Check and Listen to the Noise
2
Check for Loose Components: Inspect Control Arms, Ball Joints, Tie Rod Ends
3
Examine the CV Joints: Inspect for torn boots or grease leakage
4
Check the Differential and Transfer Case: Inspect fluid levels and listen for noises
5
Check the Power Steering System: Inspect fluid level and look for leaks

Solution

Issue: Clunking Noise When Turning on 2020 Toyota Highlander

Tools Required:

Jack and jack stands
Socket set
Wrench set
Torque wrench
Pry bar
Screwdrivers
Inspection mirror
Flashlight
CV joint boot clamp tool (if needed)

Repair Instructions:

Step 1: Address Loose or Worn Components

Control Arm Bushings/Ball Joints:
- If any control arm bushings or ball joints are found to be worn, replace them:
  1. Remove the wheel and brake assembly.
  2. Unbolt the control arm from the frame and remove the ball joint from the knuckle.
  3. Replace the worn component and reassemble in reverse order, ensuring proper torque specifications are followed.
Tie Rod Ends:
- If the tie rod ends are loose:
  1. Mark the position of the tie rod for alignment.
  2. Remove the outer tie rod from the knuckle.
  3. Replace with a new tie rod end and adjust to the marked position.

Step 2: Replace CV Joints (if applicable)

If the CV joints are damaged or the boots are torn:
1. Remove the wheel and brake assembly.
2. Disconnect the lower control arm from the knuckle.
3. Remove the axle nut and pull out the CV axle.
4. Replace with a new CV axle and reassemble all components.

Step 3: Power Steering System Check

If the power steering fluid is low or contaminated:
1. Locate the power steering reservoir.
2. Drain the old fluid and replace it with new fluid as per manufacturer specifications.
3. Bleed the power steering system to remove air pockets.

Step 4: Differential and Transfer Case Maintenance

If the differential or transfer case fluid levels were low:
1. Top off with the appropriate fluid as specified in the owner’s manual.
2. Check for leaks and repair any seals if necessary.

Final Checks:

After repairs, lower the vehicle and take it for a test drive to ensure the clunking noise is resolved.
If issues persist, further investigation may be required, including alignment checks or deeper inspections of the suspension system.

Conclusion

Clunking noises when turning can stem from several sources, including worn suspension components, CV joints, or power steering issues. By following the diagnostic steps and repair instructions outlined above, you can effectively diagnose and resolve the issue with your 2020 Toyota Highlander.