Workshop Manual
EPA07/10 DD PLATFORM WORKSHOP MANUAL - ENGINE
28.1 DESCRIPTION AND OPERATION OF COOLING SYSTEM AND
RELATED COMPONENTS
A schematic of the cooling system in the following illustration shows the coolant flow to the
engine components.
1. Coolant Pump
10. Fan 19. Heat Exchanger M. Engin e
2. Oil C
ooler
11. Radiator 20. Doser R. Auto Trans Cooler Flow
3. Crankcase
12. Reservoir A97. EGR Actuator V. Coolant Feed
4. Cylinder Head
13. Co
olant Filter
B65. 1
Inlet Temp Sensor
VA.Cl
t EGR to Clr Actuator
5. Wate
r Manifold
14. H eat Exchanger B65. 2 Outlet Temp Sensor VH. Clt Heat Exchanger
6. Compressor
15. Filling Valve B. Coolant Fill Line VM. Clt to Doser
7. EGR Cooler
16. Pr
essure Control Valve
E. De-
aeration
8. Fuel
Cooler
17. Oil/Cool ant Module KK. Radiator Circuit
9. Thermostat
18. Trans Cooler KS. Bypass Line
Figure 28-1 Cooling System
All information subject to change without notice.
DDC-SVC-MAN-0081 20 10 Copyright © 2010 DETROIT DIESEL CORPORAT ION 28-3










