Chrysler Pacifica. Manual — part 737
(6) Fuel injector installed into fuel rail in the cor-
rect position (Fig. 36).
(7) Fuel rail with injectors installed (Fig. 37).
(8) Position fuel rail over cylinder heads, and push
rail into place (Fig. 38). Tighten fuel rail mounting
bolts to 28 N·m (250 in. lbs.) torque.
(9) Connect the electrical connectors to the fuel
injectors and lock (Fig. 39).
Fig. 36 FUEL INJECTOR CLIP
Fig. 37 FUEL INJECTORS INSTALLED
Fig. 38 FUEL RAIL BOLTS LOCATIONS
Fig. 39 FUEL INJECTOR WIRING HARNESS
CS
FUEL INJECTION
14 - 39
FUEL INJECTOR (Continued)
(10) Connect the fuel supply tube quick connect
fitting to the fuel rail (Fig. 40). Refer to Quick Con-
nect Fittings in the Fuel Delivery Section.
(11) Inspect the intake manifold gaskets (Fig. 41).
(12) Intake manifold gaskets installed (Fig. 42).
(13) Install intake manifold plenum (Fig. 43),
(Refer to 9 - ENGINE/MANIFOLDS/INTAKE MANI-
FOLD - INSTALLATION).
(14) Connect and lock the electrical for the MAP
sensor (1).
Fig. 40 FUEL LINE DISCONNECT FITTING
Fig. 41 INTAKE GASKETS REMOVED
Fig. 42 INTAKE GASKET INSTALLED
Fig. 43 INTAKE MANIFOLD REMOVED
14 - 40
FUEL INJECTION
CS
FUEL INJECTOR (Continued)
(15) Connect the vacuum lines (2) (Fig. 44).
(16) Connect the electrical connector for Throttle
Position Sensor (2), Idle Air Control Motor (3) (Fig.
45).
(17) Connect the purge line (1).
(18) Connect negative cable to battery.
IDLE AIR CONTROL MOTOR
REMOVAL
3.5L
(1) Disconnect the negative battery cable.
(2) Disconnect the IAC electrical connector (Fig.
46).
(3) Remove the IAC mounting screws.
(4) Remove the IAC.
Fig. 44 MAP SENSOR
1 - MAP Sensor
2 - Vacuum Lines
Fig. 45 THROTTLE BODY
1 - Purge Line
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 46 IDLE AIR CONTROL MOTOR
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FUEL INJECTION
14 - 41
FUEL INJECTOR (Continued)
3.8L
(1) Disconnect negative battery cable.
(2) Unlock and disconnect electrical connector from
Idle Air Control Motor (IAC) (Fig. 47).
(3) Remove IAC monting bolt.
(4) Remove IAC from throttle body.
INSTALLATION
3.5L
When servicing throttle body components, always
reassemble components with new O-rings and seals
where applicable. If assembly of component is diffi-
cult, a light coat of engine oil may be applied to
the O-RINGS ONLY (Fig. 48) to aid assembly.
(1) Install the IAC to the throttle body (Fig. 49).
(2) Tighten mounting screw to 5.5 N·m (49 in. lbs.)
torque.
(3) Attach electrical connector to the IAC.
(4) Connect the negative battery cable.
3.8L
When servicing throttle body components, always
reassemble components with new O-rings and seals
where applicable. If assembly of component is diffi-
cult, a light coat of engine oil may be applied to
the O-RINGS ONLY (Fig. 50) to aid assembly.
(1) The new idle air control motor has a new
O-ring installed on it.
Fig. 47 THROTTLE BODY
1 - Purge Line
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 48 O-RINGS
1 - O-rings
Fig. 49 IDLE AIR CONTROL MOTOR
Fig. 50 O-RINGS
1 - O-rings
14 - 42
FUEL INJECTION
CS
IDLE AIR CONTROL MOTOR (Continued)
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