Engine
Lubricating System
Page 9B-8
Base
Engine Components
DODGE
Turbo Diesel
6 6
Fuel
& Oil
Fuel
Dilution
(Thin
Black)
Good Oil
6 6
H
2
0 & Oil
Water
In OH
(Milk
Color)
Oil
Dilution
Caution:
Diluted
oil can
cause
severe
engine damage.
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Check
the condition of the oil.
• Thin, black oil
is
an indication of
fuel
in the oil.
•
Milky
discoloration
is
an indication of coolant in the oil.
Coolant in the oil can be
caused
by:
• Cup plugs leaking.
- Damaged cylinder head gasket.
- Oil cooler
element
leaking.
Since
the oil cooler design does not require gaskets or
seals
to
maintain
the separation of oil and coolant, the
element
itself
must leak to allow
mixing
of the fluids.
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