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Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/why does my Toyota Highlander Fourth Generation (2020-present) make a clunking noise in the suspensi...

why does my Toyota Highlander Fourth Generation (2020-present) make a clunking noise in the suspensi...

Toyota Highlander Fourth Generation (2020-present)

Severity: mediumDifficulty: medium2-4 hours
3 min read
532 words

Problem Statement

Learn how to diagnose and fix clunking noise in the suspension of your Toyota Highlander (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Component
Suspension
Repair Time
2-4 hours

Safety Warnings

  • ⚠Always use jack stands when working under a vehicle
  • ⚠Allow the vehicle to cool before working on components that may be hot

Symptoms

  • •Clunking noise when driving over bumps or uneven surfaces
  • •Noises that increase with speed or during turns
  • •Possible vibrations felt through the steering wheel
  • •Deterioration in ride quality
  • •Visible signs of wear or damage to suspension components

Diagnostic Steps

  1. 1Inspect the suspension components visually for signs of damage or wear (e.g., struts, shocks, control arms)
  2. 2Check for loose or damaged hardware, such as bolts and bushings
  3. 3Perform a bounce test on each corner of the vehicle to assess shock absorber functionality
  4. 4Use a pry bar to test for play in the control arm bushings and ball joints
  5. 5Inspect the sway bar links and bushings for wear or detachment
  6. 6Check for any foreign objects lodged in the suspension system

Solution

Solution

1. Preparation

  • Gather tools and parts needed for the repair.
  • Park the vehicle on a level surface and engage the parking brake.
  • Disconnect the battery if working on electronic components.

2. Inspect and Replace Damaged Components

  1. Identify the Damaged Part

    • Based on the diagnostic steps, identify whether struts, shocks, control arms, or sway bar links need replacement.
  2. Remove the Wheel

    • Tools Required: Jack, jack stands, lug wrench.
    • Safely lift the vehicle and remove the wheel for access to the suspension components.
  3. Replace Damaged Components

    • For Shock/Strut Replacement:

      • Remove the upper and lower mounting bolts.
      • Disconnect any necessary electrical connectors (if applicable).
      • Replace the old shock/strut with the new one.
      • Torque bolts to manufacturer specifications (consult service manual for exact values).
    • For Control Arm Replacement:

      • Remove the bolts securing the control arm to the chassis and the steering knuckle.
      • Install the new control arm and tighten the bolts to the specified torque.
    • For Sway Bar Link Replacement:

      • Remove the sway bar link from the sway bar and the control arm.
      • Install the new sway bar link and tighten to the recommended torque specifications.

3. Reassemble and Test

  • Reinstall the wheel and lower the vehicle back to the ground.
  • Reconnect the battery if it was disconnected.
  • Test drive the vehicle to ensure the clunking noise is resolved.

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
  • Jack stands
  • Lug wrench
  • Socket set
  • Torque wrench
  • Pry bar

Parts Required

  • Struts or shocks (if worn)
  • Control arms (if damaged)
  • Sway bar links (if needed)

Additional Information

Component

Suspension

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

6 items

Parts

3 items

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