Inspect the AC-heater ducts, doors, hoses, cabin filters, and outlets; determine the necessary action.
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.
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?