AC Condensation Drain Leak
Clear water leaking under the car while the AC is running is normal condensation from the air conditioning system. The evaporator core removes humidity from the cabin air, and the water drains onto the ground. This is not a malfunction.
Diagnosis Details
Possible Causes
Normal AC condensation drainage – the evaporator produces water as it dehumidifies the air.
Clogged or misrouted AC drain tube causing water to pool and drip in an unusual location.
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What You Should Do
No repair needed if water is clear and odorless.
If water is pooling inside the cabin or dripping in an unusual spot, inspect the AC drain tube for blockage or damage and clear it with compressed air or a soft brush.
Related Repairs
Estimated Repair Cost
$0 if normal; $50–$150 if drain tube cleaning is needed
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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.