Title: Check the drive axle(s) oil level, type, and condition.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Drive Train

Checking should include

- following manufacturer instructions and specifications
- using the proper method (e.g., dipstick, fill plug)
- sending the scheduled oil sample to a lab.

Process/Skill Questions:

- When a leaking axle seal is noted during a vehicle inspection, should the vehicle be put out of service and the seal replaced or the oil level checked and the vehicle returned to service?
- What could have caused ‘‘milky” looking lubricant to be discovered when inspecting the oil level? What should be done?
- What would cause the lubricant to have a burnt smell?