SERIES 60 EGR TECHNICIAN'S GUIDE EGR SYSTEM In this section, various colors are used to illustrate a particular engine mode for the Series 60 engine. The meaning of each color is defined in the list below. Red = Exhaust Gas Blue = No EGR Flow Green = Coolant Flow Yellow = Vehicle Air (VPODs) Orange = Cooled Exhaust Gas All information subject to change without notice. (Rev. April 2004) 3-3 7SE60 0404 Copyright © 2004 DETROIT DIESEL CORPORATION