316 ENGINE ELECTRICAL
20. Remove module assembly.
NOTE: The ECM, IDM, and EGR drive module can
be removed as a single unit and disassembled on a
workbench, or they can be replaced individually on
the engine. It will be disassembled on a workbench
for illustrative purposes.
Figure 477 EGR drive module, IDM, an
dECM
assembly
Figure 478 EGR drive module
21. Remove two bolts (M6 x 16) securing EGR drive
module to the ECM / IDM bracket and lift off.
Figure 479 ECM / IDM bracket
22. Remove four bolts (M8 x 40) and four M8 nuts
and special lockwashers securing the ECM / IDM
bracket to both modules then remove bracket.
Figure 480 Removing IDM from ECM
23. Both IDM and ECM modules can now be
separated.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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