Title: Inspect AC-heater ducts, doors, hoses, cabin filters, and outlets; determine necessary action.
Course: Automotive Technology II (20104-II) > Section: Heating, Ventilation, and Air Conditioning (HVAC): Operating Systems and Related Controls

Procedure should include

- checking ducts, doors, and outlets for proper air flow
- determining the cause of any obstructions or abnormal noise
- checking the cabin filter for needed service.

ASE Education Foundation
2017 Maintenance and Light Repair (MLR) Level
VII. Heating, Ventilation, and Air Conditioning (HVAC)
D. Operating Systems and Related Controls
Task 1

Process/Skill Questions:

- How would a technician inspect AC-heater ducts, doors, hoses, cabin filters, and outlets?
- How often should cabin filters be serviced?
- What might happen if the cabin filter was restricted?