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40
Cooling System
Cooling System Components and Coolant Flow
Figure 34 Engine cooling system
1.
Cylinder head assembly
2.
Water outlet tube assembly
(thermostat outlet)
3.
Thermostat assembly
4.
Air compressor
5.
Water return from cylinder head
to crankcase
6.
Cylinder sleeve
7.
EGR coolant return tube
assembly
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
ENGINE SYSTEMS
8.
EGR cooler
9.
Water outlet from crankcase to
front cover
10. Crankcase
11. Water inlet to crankcase
12. EGR cooler supply tube
13. Oil system module assembly
14. Oil cooler tube
15. Water inlet to front cover and
water pump
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
16. Water supply from front cover to
crankcase
17. Water pump impeller assembly
18. Front cover
19. Water inlet elbow
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