A/C Evaporator Drains

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What is an A/C Evaporator Drain?

An A/C Evaporator Drain is a small tube located in the air conditioning system that removes condensation and water vapor from the evaporator core and drains it outside the vehicle.

What is the purpose of an A/C Evaporator Drain?

The purpose of an A/C Evaporator Drain is to prevent the buildup of condensation and water vapor in the air conditioning system, which can lead to mold growth, unpleasant odors, and damage to the A/C components.

How can I determine if my A/C Evaporator Drain is faulty?

You may notice a few signs that your A/C Evaporator Drain is faulty, such as water puddles on the passenger side floor, a musty odor in the cabin, or reduced cooling performance from the A/C system.

Can a faulty A/C Evaporator Drain cause damage to other parts of the A/C system?

Yes, a faulty A/C Evaporator Drain can cause damage to other parts of the A/C system if the excess moisture is not drained properly. The buildup of moisture can lead to corrosion of the A/C components, electrical problems, and mold growth.

How do I replace an A/C Evaporator Drain?

To replace an A/C Evaporator Drain, you will need to follow these steps:

  1. Locate the drain tube under the dashboard on the passenger side of the vehicle.
  2. Disconnect the drain tube from the evaporator core by pulling it gently.
  3. Remove any debris or blockages from the drain tube using compressed air or a small wire.
  4. Reconnect the drain tube to the evaporator core.
  5. Test the A/C system to ensure proper drainage.


How often should I inspect my A/C Evaporator Drain?

It is recommended to inspect your A/C Evaporator Drain at least once a year to ensure proper drainage and prevent any potential damage to the A/C system.