Unusual Exhaust Noise During Acceleration in Tesla Model Y
A Tesla Model Y is an electric vehicle and has no traditional exhaust system. A noise perceived as coming from the exhaust area during acceleration is likely from the rear drive unit, suspension, or a loose underbody component. This could indicate a serious issue such as a failing drive motor bearing, loose heat shield, or damaged half shaft.
Diagnosis Details
Possible Causes
Failing drive unit bearing or gear whine from the rear electric motor
Loose or damaged underbody panel or heat shield vibrating at speed
Worn or damaged half shaft CV joint
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Inspect the rear drive unit for abnormal noise by test driving with windows down.
Check all underbody panels and heat shields for looseness.
Examine half shafts for play or grease leakage.
If noise is from the drive unit, schedule service immediately to prevent further damage.
Estimated Repair Cost
$0–$200 for inspection (Tesla mobile service or SC); drive unit replacement $3,000–$6,000 if needed
Typical range: $0 – $200
Share this diagnosis
Help others with similar symptoms
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.