Procedure should include
- removing the inspection cover
- draining the fluid
- cleaning and inspecting the internal components
- reinstalling the cover, using a new gasket
- refilling with the specified fluid to the correct level.
ASE Education Foundation
2017 Maintenance and Light Repair (MLR) Level
III. Manual Drive Train and Axles
E. Differential Case Assembly
Task 3
Process/Skill Questions:
- What are possible causes for worn parts in a differential assembly?
- What should be inspected during fluid replacement?
- Why/when should the fluid be changed?