(10) At normal operating temperature the oil pres-
sure must not drop below 3 bar (44 psi.). When
engine speed is raised, oil pressure must rise with
out delay and be no less than 3 bar (44 psi.) at 3000
rpm.
(11) If oil pressure is out of range, determine
cause.
REMOVAL
REMOVAL - 2.7L DIESEL ENGINE
WARNING: RISK OF INJURY TO SKIN AND EYES
FROM SCALDING WITH HOT COOLANT. RISK OF
POISONING FROM SWALLOWING COOLANT. DO
NOT OPEN COOLING SYSTEM UNLESS COOLANT
TEMPERATURE IS BELOW 90°C (194°F). OPEN CAP
SLOWLY TO RELEASE PRESSURE. STORE COOL-
ANT IN SUITABLE AND APPROPRIATELY MARKED
CONTAINER.
WEAR
PROTECTIVE
GLOVES,
CLOTHES, AND EYE WEAR.
CAUTION: STORE OR DISCARD ALL FULIDS IN
SUITABLE AND APPROPRIATELY MARKED CON-
TAINERS.
(1) Disconnect negative battery cable.
(2) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).
(3) Drain cooling system (Refer to 7 - COOLING/
ENGINE/COOLANT - STANDARD PROCEDURE).
(4) Evacuate and recover air conditioning system
(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING - STANDARD PROCEDURE).
(5) Remove front grill and fascia assembly (Refer
to 23 - BODY/EXTERIOR/GRILLE - REMOVAL).
(6) Remove headlamp assemblies (Refer to 23 -
BODY/EXTERIOR/GRILLE FRAME - REMOVAL).
(7) Remove headlamp support.
(8) Remove upper radiator support.
(9) Remove upper radiator hose.
(10) Raise and suitably support vehicle.
(11) Disconnect supply and return lines at viscus
fan (Refer to 7 - COOLING/ENGINE/RADIATOR
FAN - REMOVAL).
(12) Disconnect lower radiator hose at radiator.
(13) Disconnect transmission cooler hoses at cooler.
(14) Disconnect fan electrical connector.
(15) Lower vehicle.
(16) Disconnect both power steering cooler hoses at
cooler.
(17) Remove
power
steering
resivior
retaining
bolts.
(18) Lift coolant module from vehicle (Refer to 7 -
COOLING/ENGINE/RADIATOR - REMOVAL).
(19) Remove air cleaner housing assembly.
(20) Remove air tube at turbocharger.
(21) Remove air conditioning lines from compres-
sor.
(22) Remove junction block bracket from compres-
sor.
(23) Remove turbocharger outlet to charge air
cooler.
(24) Disconnect coolant resivior lines from engine.
(25) Disconnect signal line at turbocharger.
(26) Disconnect generator B+ at generator.
(27) Disconnect fuel supply and return lines at fuel
filter (Refer to 14 - FUEL SYSTEM/FUEL DELIV-
ERY/FUEL
FILTER
/
WATER
SEPARATOR
-
REMOVAL) .
(28) Remove battery (Refer to 8 - ELECTRICAL/
BATTERY SYSTEM/BATTERY - REMOVAL).
(29) Remove battery tray (Refer to 8 - ELECTRI-
CAL/BATTERY SYSTEM/TRAY - REMOVAL).
(30) Disconnect B+ wiring at power distribution
center (PDC).
(31) Disconnect pedal position sensor electrical
connectors.
(32) Disconnect 3 engine wiring harness connec-
tors.
(33) Remove connector bracket from left sill plate.
(34) Remove exhaust flange retainer at turbo-
charger.
(35) Disconnect heater hoses.
(36) Raise and suitably support vehicle.
(37) Remove torque converter bolts.
(38) Remove starter (Refer to 8 - ELECTRICAL/
STARTING/STARTER MOTOR - REMOVAL).
(39) Remove transmission bell housing bolts from
engine.
(40) Disconnect transmission electrical connectors.
(41) Lower vehicle.
(42) Suitably support transmission.
(43) Connect a suitable engine hoist.
(44) Raise engine approximately 76mm (3 in.).
(45) Remove left engine mount sill plate.
CAUTION: When removing engine care must be
taken not to damage crankshaft sensor or other
ancellary components.
(46) Remove engine from vehicle.
9a - 4
ENGINE
WG
ENGINE - 2.7L DIESEL (Continued)