Modification 3 - Round Egr Cooler And Egr Return Hose; Removal - Navistar INTERNATIONAL DT 466 Service Manual

110
Modification 3 – Round EGR Cooler
and EGR Return Hose

Removal

Figure 131 Round EGR cooler
1. EGR return hose
2. Constant tension EGR hose
clamp (2)
3. EGR cooler
4. EGR cooler mounting bracket
5. Deaeration hose fitting
6. EGR tube to EGR valve gasket
7. EGR tube assembly bolt (M8 x
25) (3)
1. Drain engine cooling system.
2. Loosen and remove EGR cooler supply tube
retaining bolt.
3. Loosen and remove three bolts holding EGR tube
assembly to EGR cooler.
4. Loosen EGR return hose clamp and pull EGR
return hose off of EGR cooler.
5. Loosen clamp holding deaeration hose to the
deaeration hose fitting and pull hose off of EGR
cooler.
6. Remove EGR rear mounting bolts.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
EGR COOLER AND TUBING
8. EGR tube assembly
9. EGR cooler supply tube
assembly
10. EGR cooler supply tube retaining
bolt (M8 x 16)
11. EGR cooler mounting bracket
lower bolt (M12 x 120)
12. EGR rear mounting bolt (M8 x
30) (2)
7. Loosen and remove EGR cooler mounting bracket
8. Pull EGR cooler and mounting bracket away from
9. Remove EGR cooler supply tube assembly from
10. Remove old gaskets and clean gasket surfaces of
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
13. EGR hot side gasket
14. Exhaust manifold
15. EGR coolant return adapter tube
retaining bolt (M8 x 25)
16. EGR coolant return adapter tube
lower bolt.
exhaust manifold, EGR cooler supply tube, and
EGR tube assembly.
rear half of front cover.
O-rings from ends of cooler supply tube and
clean tube ends.
EGR tube assembly and exhaust manifold.
Remove and discard