Installation - Navistar INTERNATIONAL DT 466 Service Manual

Installation

1. Clean port in rear half of front cover which EGR
cooler supply tube fits into.
CAUTION: To prevent engine damage, do not
use engine oil or any other petroleum based
products on EGR cooler supply tube O-rings.
These O-rings are not compatible with petroleum
based lubricants.
2. Install new O-ring seals on EGR cooler supply
tube assembly ends and reinstall tube into port in
rear half of front cover.
3. Install new EGR hot side gasket on new EGR
cooler.
4. Position EGR cooler on the engine and install
two new EGR rear mounting bolts. Finger tighten
bolts.
5. Reinstall EGR cooler mounting bracket lower bolt
and finger tighten.
6. Push EGR cooler supply tube assembly into EGR
cooler and finger tighten retaining bolt.
7. Install new EGR tube to EGR valve gasket and
finger tighten three bolts holding EGR tube to
EGR cooler.
8. Tighten EGR rear mounting bolts (M8 x 30) to
the standard torque (General Torque Guidelines,
page445 ).
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
EGR COOLER AND TUBING
9. Tighten EGR cooler mounting bracket lower bolt
10. Tighten EGR cooler mounting bracket to the
11. Tighten three bolts (M8 x 25) holding EGR tube
12. Tighten EGR cooler supply tube retaining bolt (M8
13. Push EGR return hose onto EGR cooler and
14. Push
15. Refill engine cooling system.
16. Start engine and let engine warm up to operating
17. Shut down engine and let engine cool to ambient
18. Retighten constant tension EGR hose clamps to
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
(M12 x 120) to the special torque (Table 10).
special torque (Table 10).
assembly to EGR cooler to the standard torque
(General Torque Guidelines, page445 ).
x 16) to the special torque (Table 10).
tighten constant tension EGR hose clamps to the
special torque value (Table 10).
deaeration hose
deaeration fitting and tighten clamp.
temperature.
air temperature.
the special torque value (Table 10).
111
onto EGR cooler