EGR COOL ER AND TUBING 109
Figure 128 Installing the EGR return tube
adapter mounting bolt
3. Position adapter into cylinder head coolant port
and install EGR coolant return tube adapter bolt
(M8 x 25). Tighten bolt to the standard torque
(General Torque Guidelines, page445).
Figure 129
EGR upper hose clamp details
Figure 130 EGR lower hose clamp details
4. Position EGR coolant hose and two constant
tension EGR hose clamps between EGR cooler
and EGR cooler return tube adapter.
5. Tighten constant tension EGR hose clamps to the
special torque (Table 10).
6. Fill engine with coolant and check for leaks.
7. Start engine and let engine warm up to operating
temperature.
8. Shut down engine and let engine cool to ambient
air temperature.
9. Retighten constant tension EGR hose clamps to
the special torque (Table 10).
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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