Why does my Highlander make a popping noise when turning?

Toyota Highlander Fourth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

782 words

Problem Statement

Learn how to diagnose and repair a popping noise in your Toyota Highlander when turning. Step-by-step guide for identifying CV joint, suspension, and steering issues.

Affected Component

CV joints, suspension components, steering components, wheel bearings

Estimated Time

2-4 hours

Symptoms

•Popping or clicking noise when turning the steering wheel
•Noise more pronounced during sharp turns
•Vibrations through the steering wheel
•Feeling of looseness in the steering

Diagnostic Steps

1
Visual check of wheels and suspension components
2
Listen while turning the steering wheel
3
Lift the vehicle and secure with jack stands
4
Inspect CV joints for damage
5
Inspect suspension components for wear
6
Inspect wheel bearings for play

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 or hydraulic lift
•Socket set
•Torque wrench
•Pry bar
•Screwdrivers
•Stethoscope or listening device
•Inspection mirror
•Flashlight
•CV Joint Grease

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Solution

Problem Diagnosis: Popping Noise When Turning in a Toyota Highlander (2020-present)

Possible Causes

CV Joint Failure: The constant velocity (CV) joints may be damaged or worn out.
Suspension Components: Worn or damaged suspension components, such as control arm bushings or ball joints.
Steering Components: Issues with the steering rack or tie rod ends.
Wheel Bearings: Worn wheel bearings can produce a popping noise when turning.
Debris: Foreign objects lodged in the suspension or steering components.

Tools Required

Jack and jack stands or a hydraulic lift
Socket set
Torque wrench
Pry bar
Screwdrivers
Stethoscope or listening device
Inspection mirror
Flashlight
CV Joint Grease (if CV joint repair is necessary)

Step 1: Preliminary Inspection

Visual Check: Inspect the area around the wheels and suspension components for visible signs of damage or wear.
Listen While Turning: With the vehicle stationary, have someone turn the steering wheel while you listen closely near the front wheels.

Step 2: Raise the Vehicle

Safety First: Ensure the vehicle is on a flat surface and engage the parking brake.
Lift the Vehicle: Use a jack to lift the front of the vehicle and secure it with jack stands.

Step 3: Inspect CV Joints

Check CV Boots: Look for torn or leaking CV joint boots. If the boot is damaged, grease may be lost, indicating a potential CV joint issue.
Rotate Wheel: Manually rotate the wheel while inspecting the CV joints for any unusual noise or movement.
Pry Bar Test: Use a pry bar to check for excessive play in the CV joint by pushing and pulling on the axle shaft.

Step 4: Inspect Suspension Components

Check Control Arms: Look for worn bushings or damaged control arms. Use a pry bar to test for play in the bushings.
Ball Joints: Inspect ball joints for wear. Use a stethoscope to listen for noise while manipulating the joint.
Tie Rod Ends: Check for looseness or damage in the tie rod ends by moving them up and down and side to side.

Step 5: Inspect Wheel Bearings

Spin the Wheel: Rotate the wheel by hand and listen for any grinding or popping noises.
Check for Play: Grip the wheel at the 12 and 6 o'clock positions and try to rock it. Any movement indicates a bad wheel bearing.

Repair Instructions

Step 1: CV Joint Repair (if necessary)

Remove Wheel: Use a socket set to remove the lug nuts and take off the wheel.
Disconnect Axle: Remove any retaining clips or bolts holding the CV axle in place, then disconnect the axle from the hub.
Replace CV Joint: If the CV joint is damaged, replace it with a new unit. Ensure that the new joint is properly greased, and install it according to manufacturer specifications.
Reassemble: Reattach the axle to the hub, secure it with the appropriate fasteners, and reinstall the wheel.

Step 2: Suspension Component Replacement (if necessary)

Replace Worn Bushings: If the control arm bushings are worn, replace them. Use a press if necessary to remove and install new bushings.
Ball Joints: If ball joints are worn, remove and replace them following the service manual specifications.
Tie Rod Ends: If tie rod ends are loose, replace them and ensure they are properly torqued.

Step 3: Wheel Bearing Replacement (if necessary)

Remove Hub Assembly: If the wheel bearing is faulty, remove the entire hub assembly from the vehicle.
Press Out Old Bearing: Use a bearing press to remove the old wheel bearing and install a new one.
Reinstall Hub Assembly: Reattach the hub assembly to the vehicle and ensure all fasteners are properly torqued.

Final Steps

Lower the Vehicle: Carefully lower the vehicle back to the ground and recheck all fasteners.
Test Drive: Take the vehicle for a test drive to ensure the popping noise has been eliminated.

Conclusion

By following these steps, you should be able to diagnose and repair the popping noise coming from your Toyota Highlander during turns. If the problem persists after performing these checks and repairs, further investigation into the steering system or professional diagnosis may be necessary.