Title: Identify coolant temperature and level sensors, gauges, and sending units.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Cooling Systems

Identification should include

- locating the manufacturer guidelines for the operating range of the coolant
- installing the mechanical temperature gauge and comparing it to the electronic gauge
- using a digital multimeter (DMM) to verify the operation of the sensors and sending units.

Process/Skill Questions:

- How will a diesel engine reach operating temperature when idling?
- What problems can an overheating cooling system cause?
- What problems can an overcooling system cause?