Title: Perform an engine cooling system test for leaks, protection level, contamination, coolant level, coolant type, temperature, and conditioner concentration.
Course: Diesel Equipment Technology III (20107-III) > Section: Heating, Ventilation, and Air Conditioning: Servicing the Heating and Engine Cooling Systems

Performance should include

- conducting pressure testing of the cooling system
- using the proper tool for checking protection levels (i.e., refractometer)
- performing coolant conditioner checks with coolant test strips.

Process/Skill Questions:

- Where is the correct pressure found to test the cooling system on a vehicle?
- When is the coolant cap pressure tested?
- What effect does the conditioner have on the cooling system?