Title: Inspect evaporator housing water drain; determine needed action.
Course: Automotive Technology III (20104-III) > Section: Heating, Ventilation, and Air Conditioning (HVAC): Refrigeration System Component Diagnosis and Repair

Procedure should include

- ensuring water drips from the water drain as the AC system operates
- cleaning, if necessary.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
VII. Heating, Ventilation, and Air Conditioning (HVAC)
B. Refrigeration System Component Diagnosis and Repair
Task 10

Process/Skill Questions:

- How does the water drain?
- Where is the drain located?
- What happens when the drain is restricted?