Title: Inspect the engine cooling and heating system hoses, lines, and clamps.
Course: Diesel Equipment Technology III (20107-III) > Section: HVAC: Servicing the Heating and Engine Cooling Systems

Inspection should include

- a visual inspection of the system
- pressure testing of the system to identify leaks.

ASE 1: VI. Heating, Ventilation, and Air Conditioning C. Heating, Ventilation, and Engine Cooling Systems (P-1)

Process/Skill Questions:

- Where is the correct pressure found to test the cooling system on a vehicle?
- When is the coolant cap pressure tested?