Mitsubishi Endeavor musty smell and water accumulation on driver's side carpet due to A/C condensation leak issue on Mitsubishi Endeavor

Submitted by Rogercom · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mitsubishi Endeavor owners report experiencing a musty smell and water accumulation on the driver's side carpet due to A/C condensation leaks. These issues can stem from a malfunctioning air conditioning system, where clogged A/C drains lead to water pooling inside the vehicle. Additionally, some owners find that an overflowing evaporator core box causes water to accumulate on the passenger side floor, contributing to the unpleasant odor. Clogged condensation drains from the A/C evaporator coil have also been noted as a source of wet carpets. Furthermore, leaks in the A/C drain system or faulty evaporators can exacerbate the problem by allowing water to seep onto the carpet. To resolve these concerns, it is important for owners to locate the A/C drain tube and pinpoint the root cause of the leak, ensuring proper repairs and maintenance are performed to eliminate the musty smell and water issue.

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Mitsubishi Endeavor vehicles with this problem

Average mileage: 185,000 miles
(185,000 - 185,000)

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