Title: Change the engine oil and filters.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Lubrication System

Changing should include the following steps:

- Drain the oil.
- Remove the filter and cut it open for inspection.
- Compare debris on the magnetic plug to what was found in the filter.
- Take the oil sample and review the analysis report.
- Install a new filter.
- Add appropriate oil to the required level.
- Start the vehicle and check for the proper pressure and any leaks.
- Repair, as necessary.

Process/Skill Questions:

- Why should old oil filters be cut open?
- Where would the oil specifications and capacity for a particular engine be found?
- What are four wear metals that could be reported in an oil analysis report?
- What components could the wear metal be coming from?