OILING SYSTEM
COMPONENTS
Rear Oil Manifold (3.3 L models)
The rear oil manifold receives oil from the primary
manifold and distributes it to the cylinder sleeves.
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1. Rear oil manifold
Rear Oil Pump (3.4 L models)
The oil injection pump is an electric (12 V) actua-
tor style pump. It d raws oil from a fit ting at the oil
injection pump and supplies pressurized oil to the
cylinder sleeve s. The EMM su pplies 12 V and
controls activation of the pump
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1. Rear oil pump
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Electrical Circuit (12 V)
The rear oil pu mp is powered by the 12 V electri-
cal circuit. The EMM controls pu mp operation by
rapidly co nnecting and d isconnecting the pump' s
internal coil to ground.
The EMM monitors the o il inje ction pump electr i-
cal circuit. If the circuit is open, the EMM:
Activates S.A.F.E.
Stores service code 36
EMM LED 4: ON (Running)
Engine Monitor No OIL display: ON
LOW OIL Warning
008363
A sen ding unit in the oil t ank p ick-up assembly
monitors the oil level in the oil tank.
If the oil level falls below one-quarter capacity, the
EMM signals:
Engine Monitor LOW OIL display: ON
An optional oil tank sending unit kit is available to
display actual oil level through an I-Command net-
work.
NO OIL Warning
The EMM monitors th e electric al circuit of the oil
pressure sensor. If the sen sor or circuit fails, or if
there is a lack of oil pressure in the oil distribution
manifold, the EMM:
Activates S.A.F.E.
Stores service code 38
EMM LED 4: ON (Running)
Engine Monitor NO OIL display: ON
008444