Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1510
6. Remove bolts attaching fuel rail (1 - 4).
7. Remove fuel rail and injectors as an assembly.
8. Remove manifold attaching bolts.
9. Remove lower manifold.
10. Inspect manifold (Refer to 9 - ENGINE/MANI-
FOLDS/INTAKE MANIFOLD - INSPECTION).
INSPECTION
INTAKE MANIFOLD UPPER
Check manifold for:
•
Damage and cracks
•
Gasket surface damage or warpage
•
Damaged or clogged EGR ports
If the manifold exihibits any damaged or warped conditions, replace the manifold. Clean EGR ports as neccessary.
If a vacuum port is damaged, a repair procedure can be performed (Refer to 9 - ENGINE/MANIFOLDS/INTAKE
MANIFOLD - STANDARD PROCEDURE).
INSPECTION - INTAKE MANIFOLD LOWER
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
INTAKE MANIFOLD UPPER
1. Clean and inspect sealing surfaces. Gaskets can be reused, if free of cuts or tears.
NOTE: Make sure fuel injectors and wiring harnesses are in correct position to not interfere with upper
manifold installation.
2. Install upper manifold gasket.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
LX
3. Position upper manifold onto lower manifold.
4. Install manifold attaching bolts and tighten in
sequence shown in to 12 N·m (105 in. lbs.).
5. Connect PCV, brake booster, and vapor purge
hoses.
6. Connect electrical connectors to the following com-
ponents:
•
Manifold Absolute Pressure (MAP) Sensor
•
Electronic Throttle Control
•
Manifold Tuning Valve
7. Install throttle body air inlet hose and air cleaner
housing assembly (Refer to 9 - ENGINE/AIR
INTAKE
SYSTEM/AIR
CLEANER
HOUSING
-
INSTALLATION).
8. Connect negative battery (1) cable.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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INTAKE MANIFOLD LOWER
1. Clean and inspect sealing surfaces of cylinder
head and manifold. Gaskets can be reused pro-
vided they are free of cuts or tears.
2. Install lower manifold gasket.
3. Position manifold on cylinder head surfaces.
NOTE: For ease of installing upper intake mani-
fold, install a bolt 2 – 3 turns to the rearmost
attaching hole of intake. This will properly position
lower manifold.
4. Install fuel rail with injectors and start bolts (1 - 4).
5. Install manifold attaching bolts and tighten in
sequence shown in to 12 N·m (105 in. lbs.).
Remove bolt used for aligning manifold.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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6. Connect the fuel injector electrical connectors (2).
NOTE: Make sure fuel injectors are located in the
correct location and position, as upper intake
manifold interference could occur.
7. Connect fuel supply hose (1) to fuel rail. (Refer to
14 - FUEL SYSTEM/FUEL DELIVERY/FUEL LINES
- STANDARD PROCEDURE)
8. Install upper intake manifold. (Refer to 9 - ENGINE/
MANIFOLDS/INTAKE
MANIFOLD
-
INSTALLATION)
LX
ENGINE - 2.7L DOHC - SERVICE INFORMATION
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