AC System Noise Inside Cabin
A noise inside the cabin when the AC is on in a 2020 Tesla Model 3 typically indicates an issue with the HVAC blower motor, debris in the air intake, or a failing AC compressor. The noise may be a rattle, squeal, or clicking sound.
Diagnosis Details
Possible Causes
Debris (leaves, dirt) lodged in the blower motor fan or cabin air filter housing, causing a rattling or clicking noise.
Worn or failing blower motor bearings, producing a squealing or grinding sound.
AC compressor or refrigerant system issue (e.g., low refrigerant, failing compressor clutch) causing a clicking or groaning noise.
Related OBD-II Codes
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What You Should Do
Inspect and replace the cabin air filter if dirty.
Check for debris in the blower motor area (under the glovebox).
If noise persists, have a technician test the blower motor and AC compressor operation.
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.
