Changing the differential fluid(s) should include
- wearing required PPE for changing differential fluid(s)
- explaining the importance of differential service and how the differential(s) rely on fluid for lubrication, cleaning, proper operation, and cooling
- using appropriate tools, equipment, and repair manuals
- following all required safety procedures, guidelines, protocols, and manufacturer specifications for draining and refilling differentials.
Process/Skill Questions:
- How is differential fluid changed?
- Based on the removed lubricant, what is a symptom of a bad differential that can be determined from examining the fluid?