Title: Inspect, test, service, and/or replace positive crankcase ventilation (PCV) filter/breather, valve, tubes, orifices, and hoses; determine needed action.
Course: Automotive Technology III (20104-III) > Section: ENGINE PERFORMANCE: Emissions Control Systems

Procedures should include

- checking for proper PCV filter/breather function
- referring to service materials and following manufacturer guidelines.

Process/Skill Questions:

- Why does a crankcase need ventilation?
- What is the function of a PCV valve?
- What is the difference between a vehicle that uses a PCV vs. an orifice system?