Title: Inspect exhaust aftertreatment devices.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Air Induction and Exhaust Systems

Inspection should include a visual inspection of aftertreatment components, according to manufacturer guidelines.

Process/Skill Questions:

- What is the purpose of the exhaust aftertreatment devices?
- What are one or more of the aftertreatment components?
- What problems could a leak in the exhaust system, prior to the aftertreatment systems, create?