
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 collects moisture, which drains onto the ground. This is not a malfunction.
Diagnosis Details
Possible Causes
Normal AC condensation drainage
Clogged or partially blocked AC drain tube causing overflow
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What You Should Do
No repair needed if water is clear and odorless.
If water accumulates inside the cabin or you notice a musty smell, have the AC drain tube inspected and cleaned.
Related Repairs
Estimated Repair Cost
$0 if normal; $50–$150 if drain 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.
