Title: Inspect the charged air cooler (CAC) assemblies.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Air Induction and Exhaust Systems

Inspection should include

- cleaning the cooler assembly, according to manufacturer guidelines
- pressure testing the cooler assembly with the air pressure, according to manufacturer guidelines
- repairing any loose connections
- replacing parts, as needed
- checking the internal and external unobstructed air flow.

Process/Skill Questions:

- What is the purpose of the charge air assembly?
- What are other names for the charge air assembly?
- What will be the operational complaint if the cooler assembly is not working properly?
- Why should the CAC be inspected for excessive oil?
- How would a smoke machine be used in this instance?