Application&Installation Manual

COOLING SYSTEM, AIR-TO-AIR CHARGE COOLING
8.6.1 CHARGE AIR COOLER
A CAC is normally mounted ahead of the cooling system radiator. The compressed air le
aving
the turbocharger is directed through the charge air cooler before it goes to the air inlet side of the
intake manifold. A typical arrangement with a CAC placed in front of the radiator with a suction
fan. With a blower fan, t he CAC would be between the radiator and the e n
gine.
Figure 8-12 Typical Charge Air Cooler
The CAC is used to reduce the compressed air temperature leaving the turbocharger before it
reaches the intake manifold. This permits a more dense charge of air to be delivered to the engine.
Figure 8-13 Charge Air Cooler Cross-Sectio n
8-12 All information subject to change without notice.
DDC-SVC-MAN-0073 Copyright © 2009 DETROIT DIESEL CORPORATION