Title: Diagnose the engine operation.
Course: Diesel Equipment Technology I (20107-I) > Section: DIESEL ENGINES: General

Diagnosis should include

- listening for engine noises
- conducting a visual inspection for loose or damaged components
- determining whether the noise is external or internal to the engine
- operating the engine at various revolutions per minute (RPM) to help isolate the noises and vibrations
- determining the necessary action.

Process/Skill Questions:

- Why might the noise change at different RPM?
- What tools should be used to measure noise level?