110 EGR COOLER AND TUBING
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)
8. EGR tube assembly
9. EGR cooler supply tube
assembly
10. EGR cooler supply tube retain
ing
bolt (M8 x 16)
11. EGR cooler mounting bracket
lower bolt (M12 x 120)
12. EGR rear mounting bolt (M8 x
30) (2)
13. EGR hot side gasket
14. Exhaust manifold
15. EGR coolant return adapter tu
be
retaining bolt (M8 x 25)
16. EGR coolant return adapter tu
be
1. Drain engine cooling syste
m.
2. Loosen and remove EGR coole
r supply tube
retaining bolt.
3. Loosen and remove three bo
lts holding EGR tube
assembly to EGR cooler.
4. Loosen EGR return hose cl
amp and pull EGR
return hose off of EGR coo
ler.
5. Loosen clamp holding dea
erationhosetothe
deaeration hose fittin
g and pull hose off of EGR
cooler.
6. Remove EGR rear mounti
ng bolts.
7. Loosen and remove EGR coole
r mounting bracket
lower bolt.
8. Pull EGR cooler and mountin
g bracket away from
exhaust manifold, EGR co
oler supply tube, and
EGR tube assembly.
9. Remove EGR cooler suppl
y tube assembly from
rear half of front cover
. Remove and discard
O-rings from ends of co
oler supply tube and
clean tube ends.
10. Remove old gaskets an
d clean gasket surfaces of
EGR tube assembly an
d exhaust manifold.
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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