Procedures should include
- using a refractometer or test strips to test coolant
- recovering coolant for recycling
- flushing and refilling the cooling system
- bleeding air
- following manufacturer guidelines.
Process/Skill Questions:
- What are the types of coolants?
- How should a technician drain, recover, flush, and refill a cooling system?
- How should a technician bleed air from a cooling system? Why should this be done?