
Engine Compartment Noise During Acceleration
A 2020 Jeep Grand Cherokee produces an unusual noise from the engine compartment when accelerating. This could indicate issues with the serpentine belt, exhaust system, or engine components.
Diagnosis Details
Possible Causes
Worn or loose serpentine belt causing a squealing or chirping noise under acceleration.
Exhaust manifold leak or gasket failure producing a ticking or hissing sound that increases with engine load.
Failing accessory component (alternator, water pump, or power steering pump) bearing noise.
Related OBD-II Codes
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What You Should Do
Inspect the serpentine belt for cracks, glazing, or tension issues.
Check for exhaust leaks near the manifold.
Listen for bearing noise from alternator, water pump, or power steering pump.
If noise persists, consult a mechanic for further diagnosis.
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.

