Chrysler Pacifica. Manual — part 740
(6) Remove 3 throttle body bolts.
(7) Remove throttle body (Fig. 77).
(8) Clean mating surfaces.
INSTALLATION
3.5L
(1) Inspect and replace throttle body gasket if nec-
essary.
(2) Install throttle body gasket.
(3) Install throttle body (Fig. 78).
(4) Install 3 throttle body bolts and tighten.
(5) Connect electrical connectors to throttle body
(Fig. 79).
(6) Install throttle cable bracket (Fig. 80).
(7) Hold throttle lever in wide open position.
Install throttle cable and speed control cables to
throttle arm.
(8) Install the air cleaner box,
(9) Install the engine cover.
(10) Connect negative cable from battery.
Fig. 77 THROTTLE BODY REMOVED
Fig. 78 THROTTLE BODY REMOVED
Fig. 79 THROTTLE BODY, TPS, & IAC
1 - Throttle Body
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 80 THROTTLE BODY BRACKET
CS
FUEL INJECTION
14 - 51
THROTTLE BODY (Continued)
3.8L
(1) Inspect and replace throttle body gasket if nec-
essary.
(2) Install throttle body gasket (Fig. 81).
(3) Install throttle body (Fig. 82).
(4) Install 3 throttle body bolts and tighten.
(5) Connect electrical connectors and purge line to
throttle body (Fig. 83).
(6) Hold throttle lever in wide open position.
Install throttle cable and speed control cables to
throttle arm (Fig. 84).
(7) Install the air cleaner box,
(8) Install the engine cover.
(9) Connect negative cable from battery.
Fig. 81 THROTTLE BODY REMOVED
Fig. 82 THROTTLE BODY ATTACHMENT
Fig. 83 THROTTLE BODY
1 - Purge Line
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 84 CABLE AT THROTTLE BODY
14 - 52
FUEL INJECTION
CS
THROTTLE BODY (Continued)
THROTTLE POSITION SENSOR
REMOVAL
3.5L
(1) Disconnect the negative battery cable.
(2) Disconnect the TPS (2) electrical connector
(Fig. 85).
(3) Remove the TPS (2) mounting screws.
(4) Remove the TPS (2).
3.8L
(1) Disconnect the negative battery cable.
(2) Disconnect the TPS (2) electrical connector
(Fig. 86).
(3) Remove the TPS (2) mounting screws.
(4) Remove the TPS (2).
INSTALLATION
3.5L
(1) The throttle shaft end of the throttle body
slides into a socket in the TPS. The socket has two
tabs inside it. The throttle shaft rests against the
tabs. When indexed correctly, the TPS can rotate
clockwise a few degrees to line up the mounting
screw holes with the screw holes in the throttle body.
The TPS has slight tension when rotated into posi-
tion. If it is difficult to rotate the TPS into position,
install the sensor with the throttle shaft on the other
side of the tabs in the socket. Tighten mounting
screws to 5.1 N·m (45 in. lbs.) torque.
(2) After installing the TPS (2), the throttle plate
should be closed. If the throttle plate is open, install
the sensor on the other side of the tabs in the socket.
(3) Attach electrical connector to the TPS (2) (Fig.
87).
(4) Connect the negative battery cable.
Fig. 85 TPS & IAC
1 - Idle Air Control Motor
2 - Throttle Position Sensor
Fig. 86 THROTTLE BODY
1 - Purge Line
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 87 TPS & IAC
1 - Idle Air Control Motor
2 - Throttle Position Sensor
CS
FUEL INJECTION
14 - 53
3.8L
(1) The throttle shaft end of the throttle body
slides into a socket in the TPS. The socket has two
tabs inside it. The throttle shaft rests against the
tabs. When indexed correctly, the TPS can rotate
clockwise a few degrees to line up the mounting
screw holes with the screw holes in the throttle body.
The TPS has slight tension when rotated into posi-
tion. If it is difficult to rotate the TPS into position,
install the sensor with the throttle shaft on the other
side of the tabs in the socket. Tighten mounting
screws to 5.1 N·m (45 in. lbs.) torque.
(2) After installing the TPS (2), the throttle plate
should be closed. If the throttle plate is open, install
the sensor on the other side of the tabs in the socket.
(3) Attach electrical connector to the TPS (2) (Fig.
88).
(4) Connect the negative battery cable.
SHORT RUNNER VALVE
SOLENOID
REMOVAL
(1) Disconnect the negative battery cable.
(2) Disconnect the electrical connector from the
short runner valve (Fig. 89).
(3) Remove the link from short runner valve lever
(Fig. 90).
Fig. 88 THROTTLE BODY
1 - Purge Line
2 - Throttle Position Sensor
3 - Idle Air Control Motor
Fig. 89 SHORT RUNNER VALVE
Fig. 90 SOLENOID LINK REMOVED
14 - 54
FUEL INJECTION
CS
THROTTLE POSITION SENSOR (Continued)
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