Title: Determine the need for an additional AC system filter.
Course: Automotive Technology III (20104-III) > Section: HEATING, VENTILATION, AND AIR CONDITIONING (HVAC): Refrigeration System Component Diagnosis and Repair

Determination should include

- using the proper refrigerant recovery equipment (required)
- identifying the A/C compressor failure, and, if it has failed, adding a filter on the low-pressure line and other required components per manufacturer guidelines.

Process/Skill Questions:

- How and why would a technician install an AC filter?
- What procedures would one use to decide if a redundant AC filter is needed?
- What might be the source of debris or contamination that would require an additional filter?