Description; Egr Coolant System - Navistar INTERNATIONAL DT 466 Service Manual

Description

EGR COOLANT SYSTEM

The original production version of the complete
EGR coolant system and first EGR cooler return
configuration, beginning model year 2004, starts at
the front of this section.
Over the production life of the International® DT 466,
DT 570 and HT 570 Diesel Engines, the EGR coolant
return system was modified according to the following
EGR cooler return configurations:
• Deeper O-ring location in EGR coolant return tube
plus retaining clip
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
EGR COOLER AND TUBING
•
•
•
See
modifications, listed in the Table of Contents in
this section for service procedures.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
EGR coolant return tube adapter and EGR
coolant hose
Round EGR coolers and EGR coolant hose
Service kits to convert from original or first
modification of EGR coolant return tube design
changes to a more robust EGR coolant return
hose design.
specific EGR coolant
93
return system