Exhaust or Drivetrain Noise Diagnosis
A constant unusual noise from under the vehicle could indicate an exhaust leak, loose heat shield, or drivetrain issue. The 2020 Jeep Wrangler is known for exhaust manifold cracks and loose skid plates.
Diagnosis Details
Possible Causes
Exhaust leak (cracked manifold or gasket failure) – common on this model due to heat cycling.
Loose or damaged heat shield or skid plate rattling against the underbody.
Drivetrain issue (worn U-joint, failing bearing, or differential noise) – less common but possible if noise changes with speed.
Related OBD-II Codes
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What You Should Do
Inspect under the car for loose components, exhaust leaks, and drivetrain wear.
Listen for changes in pitch with acceleration or deceleration.
Tighten any loose shields, repair exhaust leaks, and check U-joints and bearings.
Related Repairs
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.