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ENGINE GENERAL
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PCV Oil Separator Turbocharger Vacuum Modulator
VGT Turbocharger EGR Valved
Vacuum
modulator
To exhaust
pipe (DOC)
Exhaust
manifold
Intake com -
pressed air
Exhaust gas
Cylinder head cover (oil + gas)
Inlet port
Blow-by gas
(air duct hose)
Oil
(oil gauge pipe)
The first separation will happen when blow-
by gas passes through baffle plates in
cylinder head cover. Then oil and gas will
be separated due to cyclone effect afte
entering the oil separator inlet port.
Separated oil returns to oil pan via oil drain
port and the gas will be burnt again afte
entering the combustion chamber through
air duct hose via PCV valve that
opens/closes due to pressure differences
between the intake side and crankcase.
IP interior fuse
box (RH)
No.63(7.5A)
Engine ECU
(No. 95)
Turbo -
charger
actuator
Vacuum
pump
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