Toyota Yaris A/C unit leaking fluid on passenger side due to missing cabin filter and debris in drain tube on Toyota Yaris

Submitted by lgi14510 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Toyota Yaris owners report experiencing A/C issues, including fluid leaks on the passenger side, which may be attributed to a missing cabin filter and debris in the drain tube. These leaks can occur when the A/C drain hoses become clogged with foreign debris, causing water to back up in the evaporator. Additionally, some owners find that insufficient refrigerant levels, often due to leaks, result in the A/C not blowing cold air. Common causes for the A/C blowing hot air include low or overcharged refrigerant, compressor malfunctions, and dirty condenser or evaporator coils. Factors hindering the normal operation of the A/C system may involve a dirty cabin air filter, refrigerant leaks, and faulty components such as the blower motor or compressor. In severe cases, catastrophic compressor failure can lead to significant damage, spreading metal particles throughout the system. It is crucial for owners to have their A/C systems inspected and repaired promptly to avoid further complications and ensure proper functionality. Regular maintenance, including checking for debris in the drain tube and ensuring the cabin filter is installed, can help prevent these issues.

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Toyota Yaris vehicles with this problem

1 model year affected
Average mileage: 135,000 miles
(135,000 - 135,000)

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