Suspension or Underbody Component Noise Over Bumps
A noise from under the car when going over bumps in a 2020 Tesla Model 3 is often due to worn suspension components, loose underbody panels, or debris caught in the suspension. The most common causes are stabilizer bar links, control arm bushings, or loose aero shields.
Diagnosis Details
Possible Causes
Worn or loose stabilizer bar (sway bar) end links
Loose or damaged underbody aero shield or splash shield
Worn control arm bushings or ball joints
Debris (stone, branch) caught between suspension components
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What You Should Do
Inspect the underbody for loose panels or debris.
Check stabilizer bar links and control arm bushings for play or damage.
If noise persists, have a qualified technician perform a suspension inspection.
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Estimated Repair Cost
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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.