Title: Check the fuel system for air.
Course: Diesel Equipment Technology III (20107-III) > Section: Diesel Engines: Servicing the Fuel Supply System

Checking should include

- priming and bleeding the fuel system with appropriate tools, following manufacturer guidelines
- removing air from the fuel system, following manufacturer guidelines
- installing the in-line clear tube to view air trapped in the fuel lines
- verifying the operation of the manual or electric priming pump.

ASE 4: I. Diesel Engines: G. Fuel System (P-1)

Process/Skill Questions:

- What problems will air in the fuel system cause?
- Why is it dangerous to bleed high pressure common rail injectors?
- What manufacturer tools are required for bleeding the fuel lines?