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Why does my 2020 Highlander vibrate when braking? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/Why does my 2020 Highlander vibrate when braking?

Why does my 2020 Highlander vibrate when braking?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
2-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
629 words

Problem Statement

Learn about the causes and solutions for vibration when braking in the 2020 Toyota Highlander, including diagnostic steps and repair instructions.

Affected Component
brake system
Estimated Time
2-3 hours

Symptoms

  • •The vehicle vibrates through the steering wheel or brake pedal when applying brakes.
  • •Vibration may increase with higher speeds.
  • •Possible noise accompanying the vibration (grinding, squeaking).
  • •Uneven brake pad wear may be observable upon inspection.

Diagnostic Steps

  1. 1
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  9. 9
  10. 10

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
  • •Lug wrench
  • •Torque wrench
  • •Dial indicator (for rotor runout measurement)
  • •Brake cleaner
  • •Torque specifications guide
  • •Basic hand tools (sockets, wrenches, pliers)
  • •Tire balance machine (if necessary)

Additional Information

Affected Component
brake system
Estimated Time
2-3 hours
Difficulty
medium
Severity
medium
Tools Required
8 items

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Back to Generation
Issue: Vibration When Braking - 2020 Toyota Highlander

Tools Required:

  • Jack and jack stands
  • Lug wrench
  • Torque wrench
  • Dial indicator (for rotor runout measurement)
  • Brake cleaner
  • Torque specifications guide
  • Basic hand tools (sockets, wrenches, pliers)
  • Tire balance machine (if necessary)
Repair Instructions:

Step 1: Replace Brake Rotors (if warped)

  1. Lift the Vehicle:

    • Use the jack to lift the Highlander and secure it with jack stands.

  2. Remove Wheel:

    • Use the lug wrench to remove the wheel where the vibration is noted.

  3. Remove Brake Caliper:

    • Unbolt the caliper from the bracket using the appropriate socket.
    • Suspend the caliper with a wire or bungee cord to avoid stressing the brake line.

  4. Remove Brake Pads:

    • Slide out the brake pads from the caliper bracket for inspection.

  5. Check Rotor:

    • Use a dial indicator to measure rotor runout. If it's over 0.002 inches, it may be warped.
    • Remove the rotor by unbolting it from the hub.

  6. Install New Rotors:

    • Clean the new rotor with brake cleaner to remove any protective oil.
    • Install the new rotor, ensuring it is seated properly.

  7. Reinstall Brake Pads:

    • Place the brake pads back into the caliper bracket.
    • Reattach the caliper over the pads and torque the bolts to manufacturer specifications.

  8. Reattach Wheel:

    • Place the wheel back on and hand-tighten the lug nuts.
    • Lower the vehicle and torque the lug nuts to specifications.

Step 2: Replace Brake Pads (if worn)

  1. Follow Steps 1 to 5 as above.
  2. If the pads are worn, replace them with new ones before reassembling the caliper.

Step 3: Wheel and Tire Balance

  1. Check Tire Balance:
    • If vibrations persist after brake work, check tire balance using a tire balance machine.
    • Balance or replace tires as necessary.

Step 4: Suspension Inspection (if needed)

  1. If vibrations continue after addressing brakes and tires, inspect suspension components for any wear, particularly the control arms and bushings.
  2. Replace any damaged parts as needed.
Final Steps:
  • After performing repairs, conduct another test drive to ensure that the vibration issue is resolved.
  • Regularly inspect brake components and tire conditions to prevent future issues.
Conclusion:

Vibrations during braking can be attributed to warped rotors, worn brake pads, or issues with the suspension or tires. By following these diagnostic steps and repair instructions, you should be able to identify the cause and effectively resolve the problem.