Chrysler Pacifica. Manual — part 692
(41) Disconnect the engine harness ground at the
transmission.
(42) Disconnect the rear transmission mount from
the body
(43) Set up and adjust the cradle support fixture
arms and dowels, (Fig. 11), (Fig. 12) then paint mark
the cradle to body location at all four cradle bolt posi-
tions.
CAUTION: DO NOT APPLY the total vehicle weight
on the cradle support fixture.
(44) Lower the front cradle onto the table (Fig. 11),
(Fig. 12) and remove all four front cradle mount
bolts.
NOTE: Use a brake pedal prop rod and depress the
brake pedal to prevent excessive brake fluid loss
when the brake system is open.
(45) Disconnect both front brake lines at the brake
controller and route aside (Fig. 10).
(46) Disconnect the right front engine mount (Fig.
13).
Fig. 11 CRADLE SUPPORT FIXTURE - FRONT
1 - LEFT LOWER ENGINE MOUNT NUT
2 - CRADLE SUPPORT FIXTURE ARMS
3 - CRADLE SUPPORT FIXTURE ENGINE STABILIZER
Fig. 12 CRADLE SUPPORT FIXTURE - REAR
1 - RIGHT LOWER ENGINE MOUNT
2 - RIGHT LOWER ENGINE MOUNT NUT
3 - ALIGNMENT DOWEL ACCESS HOLES
4 - CRADLE SUPPORT FIXTURE
Fig. 13 RIGHT ENGINE MOUNT TO ENGINE
1 - BOLT
2 - MOUNT BRACKET
3 - ENGINE RIGHT MOUNT ASSEMBLY
CS
ENGINE 3.8L
9 - 123
ENGINE 3.8L (Continued)
(47) Remove the left powertrain torque strut to
frame bracket bolt (Fig. 14)
CAUTION: While slowly separating the body from
the cradle assembly, constant checks must be per-
formed to assure proper positioning and that no
damage occurs during separation.
(48) Carefully raise the vehicle off of the engine
and cradle assembly.
(49) Connect engine lift bracket, special tool #
8534–8 to the left cylinder head and # 8534–7 to the
right cylinder head.
(50) Separate the engine and transmission from
the cradle using the lift brackets.
(51) Separate the transmission from the engine.
INSTALLATION - ENGINE ASSEMBLY
CAUTION: While slowly lowering the body to the
cradle assembly, constantly check to assure proper
positioning and no damage occurs to other compo-
nents until union is made.
(1) Position engine and transmission assembly
under vehicle. Slowly lower the vehicle down over the
engine and transmission until the cradle is aligned.
(2) Install the cradle supporting bolts and tighten
to 163 N·m (120 ft.lbs.) (Fig. 10).
(3)
Install the right engine mount. tighten the
bolts to the timing cover to 54 N·m (40 ft.lbs.),
tighten the bolts to the right rail to 68 N·m (50
ft.lbs.). (Fig. 15).
(4) Slowly raise the vehicle off of the cradle sup-
port.
(5) Install the rear transmission torque strut and
tighten bolts to 54 N·m (40 ft. lbs.) (Fig. 16).
(6) Install the engine wiring harness ground strap
to transmission case.
(7) Connect the left front strut to steering knuckle.
Tighten bolts to 81 N·m (60 ft. lbs.) plus 90 degrees.
(8) Connect the left stabilizer link. Tighten to
88N·m (65 ft.lbs.).
Fig. 14 Powertrain Torque Strut
1 - STRUT
2 - BRACKET
Fig. 15 RIGHT ENGINE MOUNT TO ENGINE
1 - BOLT
2 - MOUNT BRACKET
3 - ENGINE RIGHT MOUNT ASSEMBLY
Fig. 16 Powertrain Torque Strut
1 - STRUT
2 - BRACKET
9 - 124
ENGINE 3.8L
CS
ENGINE 3.8L (Continued)
(9) Connect the left wheel speed sensor and har-
ness push pin (Fig. 17).
(10) Reconnect the steering column intermediate
shaft to the steering gear (Fig. 18).
(11) Connect the right front strut to steering
knuckle. Tighten bolts to 81 N·m (60 ft. lbs.) plus 90
degrees (Fig. 10)
(12) Connect the right stabilizer link. Tighten to
88N·m (65 ft.lbs.) (Fig. 10).
(13) Connect the right wheel speed sensor and har-
ness push pin (Fig. 17).
(14) Install wheels.
(15) Connect the in block heater (if equipped).
(16) Connect the knock sensor electrical connector.
(17) Install the exhaust system and connect the O2
sensor.
(18) Install the torque converter bolts. Tighten the
bolts to 88N·m (65 ft.lbs.).
(19) Install the flex plate inspection cover.
(20) Connect the starter wiring, route harness and
secure with push pin.
(21) Install the front fascia.
(22) Connect the coolant hose at the engine oil
cooler.
(23) Connect the oil pressure sending unit (OPS)
wiring harness connector.
(24) Lower the vehicle.
(25) Connect the A/C lines and compressor electri-
cal connector (Refer to 24 - HEATING & AIR CON-
DITIONING/PLUMBING/A/C
COMPRESSOR
-
INSTALLATION).
(26) Route the engine harness to the left cylinder
head and attach the purge solenoid.
(27) Connect the engine sensor wiring harness con-
nectors.
(28) Connect the engine vacuum harnesses.
(29) Connect the fuel line to the fuel rail.
(30) Connect the generator electrical connectors
(Refer to 8 - ELECTRICAL/CHARGING/GENERA-
TOR - INSTALLATION).
(31) Connect the transmission controller, sensor
electrical connectors and fluid lines (Fig. 19).
(32) Connect the radiator, coolant reservoir and
heater hoses.
(33) Connect the throttle and cruise control cables
(Fig. 20).
(34) Install the air cleaner housing and connect
the CCV hose to the left cylinder head cover (Refer to
9 - ENGINE/AIR INTAKE SYSTEM/AIR CLEANER
ELEMENT - INSTALLATION).
(35) Fill the cooling system (Refer to 7 - COOLING
- STANDARD PROCEDURE).
(36) Evacuate and recharge A/C system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING/
REFRIGERANT - STANDARD PROCEDURE).
(37) Install new oil filter. Fill engine crankcase
with proper oil to correct level (Refer to LUBRICA-
TION & MAINTENANCE/FLUID TYPES - SPECIFI-
CATIONS).
(38) Connect negative cable to battery.
Fig. 17 Wheel Speed Sensor Mounting To Strut
1 - STRUT ASSEMBLY
2 - SCREW
3 - WHEEL SPEED SENSOR ROUTING BRACKET
Fig. 18 STEERING COLUMN COUPLING
1 - LOWER STEERING COLUMN COUPLING ASSEMBLY
2 - INTERMEDIATE SHAFT TO STEERING GEAR
3 - PIN
4 - STEERING GEAR
5 - EXTENSION TO SHAFT BOLT
CS
ENGINE 3.8L
9 - 125
ENGINE 3.8L (Continued)
(39) Fill the cooling system (Refer to 7 - COOLING
- STANDARD PROCEDURE).
(40) Bleed the braking system (Refer to 5 -
BRAKES - STANDARD PROCEDURE), (Refer to 5 -
BRAKES - STANDARD PROCEDURE).
(41) Start engine and run until operating temper-
ature is reached.
SPECIFICATIONS
3.8L ENGINE
GENERAL DESCRIPTION
DESCRIPTION
SPECIFICATION
Metric
Standard
Engine Type
60° V-6 Engine
Number of
Cylinders
6
Displacement
3.8L
3.8 Liters
231 cu. in.
Bore 3.8L
96.0 mm
3.779 cu.in.
Stroke
87 mm
3.425 in.
Compression
Ratio 3.8L
-
9.6:1
Firing Order
-
1-2-3-4-5-6
Compression
Pressure-
Minimum
689.5 kPa
100 psi.
Cylinder
Compression
(Max. Difference
Between
Cylinders
-
25%
CYLINDER BLOCK
DESCRIPTION
SPECIFICATION
Metric
Standard
Cylinder Bore
Diameter
(Standard) 3.8L
95.993-96.007
mm
3.7792-3.780 in.
Out of Round
(Service Limits)
0.076 mm
0.003 in.
Taper (Service
Limits)
0.051 mm
0.002 in.
Lifter Bore
Diameter
22.980-23.010
mm
0.905-0.906 in.
Deck Surface
Flatness (Max.)
0.1 mm
0.004 in.
Fig. 19 Transmission Connectors
1 - SOLENOID PACK CONNECTOR
2 - INPUT SPEED SENSOR CONNECTOR
3 - OUTPUT SPEED SENSOR CONNECTOR
4 - TRANSMISSION RANGE SENSOR CONNECTOR
Fig. 20 THROTTLE BODY
1 - THROTTLE BODY
2 - SPEED CONTROL CABLE ACCESS
3 - THROTTLE CABLE
9 - 126
ENGINE 3.8L
CS
ENGINE 3.8L (Continued)
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