1. Cooling Systems What does the cooling system do?
What happens if an engine runs too cool or too hot?
What are the Types of Cooling Systems?

2. Thermal Dynamics A camp fire explains it all!
Convection
Radiation
Conduction

3. Heat Transfer Continued
Only 1/3 of heat produced in an engine is actually used.
Where does the remainder go?
What are some “very good” and “good” heat conductors?
How much energy do you radiate?
What is ambient air temperature?
Thermal Dynamics in relation to material’s surface condition.
Thermal Dynamics in relation to color.

4. Liquid Cooling Systems
What do coolants do for an engine?
Freezing Point?
Boiling Point?
Anti-Freeze or Anti-Boil?
What makes-up a coolant?

5. Liquid Cooled Systems - A pressurized closed circulation system
How it Works:
Liquid Cooled Systems - A pressurized closed circulation system

6. Parts of a Liquid Cooling System
Radiator & Pressure Cap
Fan & Belt
Coolant Pump
Water Jackets
Thermostat
Hoses
Coolant

7. Radiator & Pressure Cap
Radiators:
Types: (2)
Testing & Repair: (2)
How does the radiator work?
Pressure Cap:
Functions: (2)
How a pressure cap works:

8. Pressure
Cap &
Overflow

9. Fan & Belts What function does the fan serve?
Types of fans?
What can the fan belt do for the engine’s cooling system?

10. Coolant Pump Definition:
The water pump is the heart of the cooling system.
Sealed lubrication for the pump bearings, why?

11. Merry-Go-Round

12. Water Jackets
Passageways through which water circulates through the block.

14. Thermostat Purpose of a thermostat? Importance of a thermostat?
How does a thermostat work?
Practical thermostat information:

15. Testing a Thermostat

16. Minor System Parts Hoses: Filters: Purpose of Hoses:
Inspecting hoses, what do you look for?
Installation of hoses?
Filters:
Jobs a filter can perform:

17. Coolant Four Properties of Coolant: (4) Mixing antifreeze and water:
Water Type?
Mixture Percentage
Antifreeze Specifics:
Selection
Temperature
Testing
Flushing

19. Air Cooled Engines How do they work? Parts: Maintenance: Fins Shroud
Fan
Pre-Cleaner
Maintenance:

20. General Cooling System Tips