Unusual Noise Under Car When Turning – Subaru Outback 2020
A noise from under the vehicle during turns often indicates a worn CV joint, damaged steering or suspension component, or an issue with the differential or axle. The Subaru Outback's all-wheel-drive system makes CV joints and front axles common culprits.
Diagnosis Details
Possible Causes
Worn outer CV joint – clicking or popping noise when turning, especially at low speeds.
Damaged or loose steering rack or tie rod ends – clunking or knocking sound during turns.
Worn suspension bushings or ball joints – creaking or groaning noise when turning.
Low differential fluid or worn differential bearings – whining or grinding noise during turns.
Related OBD-II Codes
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What You Should Do
Inspect the CV axle boots for tears and grease leakage.
Check for play in the steering and suspension components.
Listen for the noise while turning slowly in a parking lot to pinpoint the location.
If the noise is a clicking or popping, the CV joint is likely the issue.
If it's a clunk or knock, inspect tie rods and ball joints.
For whining or grinding, check differential fluid level and condition.
Related Repairs
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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.
