
Unusual Noise Under Car When Turning – 2020 Ford Mustang
A noise from under the car during turns often points to a worn or failing CV joint, suspension component, or steering linkage. In a 2020 Mustang, the most common cause is a worn outer CV joint on the front axles, especially if the noise is a clicking or popping sound. Other possibilities include a loose or damaged sway bar link, worn ball joints, or a failing wheel bearing.
Diagnosis Details
Possible Causes
Worn outer CV joint (front axle) – produces clicking or popping when turning, especially at low speeds.
Loose or worn sway bar end link – causes clunking or rattling during turns.
Worn ball joint or control arm bushing – can cause creaking or clunking when turning.
Failing wheel bearing – often produces a humming or grinding noise that changes with turning.
Steering rack or tie rod end issue – may cause clunking or looseness in steering.
Related OBD-II Codes
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What You Should Do
Inspect the front CV axle boots for tears and grease leakage.
Check for play in the tie rods, ball joints, and sway bar links.
Listen for the noise while turning the steering wheel at low speeds.
If the noise is a rhythmic click, the CV joint likely needs replacement.
A professional inspection is recommended to confirm the source.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.



