Intake Manifold - Lower Removal; Inspection; Installation - Dodge Intrepid Service Manual

9 - 74 ENGINE 2.7L
INTAKE MANIFOLD - UPPER (Continued)
(6) Connect electrical connectors to the following
components:
• Manifold Absolute Pressure (MAP) Sensor
• Throttle Position Sensor (TPS) Sensor
• Idle Air Control (IAC) Motor
(7) Install throttle cable bracket.
(8) Connect throttle and speed control cables to
bracket and throttle arm (Refer to 14 - FUEL SYS-
TEM/FUEL INJECTION/THROTTLE
CABLE - INSTALLATION).
(9) Install air inlet resonator and inlet tube. Con-
nect Inlet Air Temperature (IAT) Sensor connector.
(10) Connect negative cable to battery remote
jumper terminal.
INTAKE MANIFOLD - LOWER
REMOVAL
(1) Release fuel system pressure. (Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY - STANDARD
PROCEDURE)
(2) Remove upper intake manifold. (Refer to 9 -
ENGINE/MANIFOLDS/INTAKE
REMOVAL)
(3) Disconnect electrical connectors from the fuel
injectors.
(4) Remove fuel supply hose from fuel rail. (Refer
to 14 - FUEL SYSTEM/FUEL DELIVERY/FUEL
LINES - STANDARD PROCEDURE)
(5) Remove screw attaching fuel rail support
bracket to the throttle body support bracket.
(6) Remove bolts attaching fuel rail.
(7) Remove fuel rail and injectors as an assembly.
(8) Remove manifold attaching bolts (Fig. 108).
(9) Remove lower manifold.
(10) Inspect manifold. (Refer to 9 - ENGINE/MAN-
IFOLDS/INTAKE MANIFOLD - INSPECTION)

INSPECTION

Check manifold for:
• Damage and cracks
• Gasket surface damage or warpage
• Damaged fuel injector ports
If the manifold exihibits any of these conditions,
replace the manifold.

INSTALLATION

(1) Clean and inspect sealing surfaces of cylinder
head and manifold. Gaskets can be reused provided
they are free of cuts or tears.
(2) Position manifold on cylinder head surfaces.
NOTE: For ease of installing upper intake manifold,
install a bolt 2 – 3 turns to the rearmost attaching
hole of intake. This will properly position lower
manifold.
sequence shown in (Fig. 108) to 12 N·m (105 in. lbs.).
Remove bolt used for aligning manifold.
CONTROL
MANIFOLD -
NOTE: Make sure fuel injectors are located in the
correct location and position, as upper intake man-
ifold interference could occur.
bracket to the throttle body support bracket.
14 - FUEL SYSTEM/FUEL DELIVERY/FUEL LINES
- STANDARD PROCEDURE)
ENGINE/MANIFOLDS/INTAKE
INSTALLATION)
(3) Install fuel rail with injectors.
(4) Install manifold attaching bolts and tighten in
Fig. 108 Lower Intake Manifold Tightening
Sequence
(5) Connect the fuel injector electrical connectors.
(6) Install screw attaching
(7) Connect fuel supply hose to fuel rail. (Refer to
(8) Install upper intake manifold. (Refer to 9 -
LH
fuel rail support
MANIFOLD -