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9. Remove the bolts for the fuel rail.
10. Pull fuel rail and injectors straight up and out of
the intake manifold.
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11. Move the fuel rail forward and out from under the
intake manifold and throttle body.
12. Remove the fuel injector from the fuel rail.
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INSTALLATION
3.7L
1. If fuel injectors are to be installed, (Refer to 14 -
FUEL SYSTEM/FUEL INJECTION/FUEL INJEC-
TOR - INSTALLATION).
2. Clean out fuel injector machined bores in intake
manifold.
3. Apply a small amount of engine oil to each fuel
injector O-ring. This will helpin fuel rail installation.
4. Position fuel rail/fuel injector assembly to machined
injector openings in cylinder head.
5. Guide each injector into cylinder head. Be careful
not to tear injector O-rings.
6. Pushrightside of fuel rail down until fuel injectors
have bottomed on cylinder head shoulder. Push
leftfuel rail down until injectors have bottomed on
cylinder head shoulder.
7. Install 4 fuel rail mounting bolts and tighten. (Refer
to 14 - FUEL SYSTEM/FUEL DELIVERY - SPECI-
FICATIONS)
8. Install 6 ignition coils. (Refer to 8 - ELECTRICAL/
IGNITION CONTROL/IGNITION COIL - INSTALLA-
TION)
9. Connect electrical connectors to throttle body.
10. Connect electrical connectors at all fuel injectors.
To install connector, refer to. Push connector onto
injector (1) and then push and lock red colored slider (2). Verify connector is locked to injector by lightly tugging
on connector.
11. Connect necessary vacuum lines to throttle body.
12. Install air resonator mounting bracket near front of throttle body (2 bolts).
13. Connect fuel line latch clip and fuel line to fuel rail. (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY/QUICK
CONNECT FITTING - STANDARD PROCEDURE)
14. Install air box to throttle body.
15. Install air duct to air box.
16. Connect battery cable to battery.
17. Start engine and check for leaks.
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4.7L
1. If fuel injectors are to be installed, (Refer to 14 -
FUEL SYSTEM/FUEL INJECTION/FUEL INJEC-
TOR - INSTALLATION).
2. Clean out fuel injector machined bores in intake
manifold.
3. Apply a small amount of engine oil to each fuel
injector O-ring. This will helpin fuel rail installation.
4. Position fuel rail/fuel injector assembly to machined
injector openings in cylinder head.
5. Guide each injector into cylinder head. Be careful
not to tear injector O-rings.
6. Pushrightside of fuel rail down until fuel injectors
have bottomed on cylinder head shoulder. Push
leftfuel rail down until injectors have bottomed on
cylinder head shoulder.
7. Install 4 fuel rail mounting bolts and tighten. (Refer
to 14 - FUEL SYSTEM/FUEL DELIVERY - SPECI-
FICATIONS)
8. Install 8 ignition coils. (Refer to 8 - ELECTRICAL/
IGNITION CONTROL/IGNITION COIL - INSTALLA-
TION)
9. Connect electrical connectors to throttle body.
10. Connect electrical connectors at all fuel injectors.
To install connector, refer to. Push connector onto
injector (1) and then push and lock red colored slider (2). Verify connector is locked to injector by lightly tugging
on connector.
11. Connect necessary vacuum lines to throttle body.
12. Install air resonator mounting bracket near front of throttle body (2 bolts).
13. Connect fuel line latch clip and fuel line to fuel rail. (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY/QUICK
CONNECT FITTING - STANDARD PROCEDURE)
14. Install air box to throttle body.
15. Install air duct to air box.
16. Connect battery cable to battery.
17. Start engine and check for leaks.
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5.7L
1. If fuel injectors are to be installed, (Refer to 14 -
FUEL SYSTEM/FUEL INJECTION/FUEL INJEC-
TOR - INSTALLATION).
2. Clean out fuel injector machined bores in intake
manifold.
3. Apply a small amount of engine oil to each fuel
injector O-ring. This will helpin fuel rail installation.
4. Position fuel rail/fuel injector assembly to machined
injector openings in intake manifold.
5. Guide each injector into intake manifold. Be careful
not to tear injector O-rings.
6. Pushrightside of fuel rail down until fuel injectors
have bottomed on shoulders. Pushleftfuel rail
down until injectors have bottomed on shoulders.
7. Install 4 fuel rail holddown clamps and 4 mounting
bolts (1) (Refer to 14 - FUEL SYSTEM/FUEL
DELIVERY - SPECIFICATIONS).
8. Connect electrical connector to throttle body.
9. Connect electrical connectors at all fuel injectors.
Push connector onto injector (1) and then push and
lock red colored slider (2). Verify connector is
locked to injector by lightly tugging on connector.
10. Connect fuel line latch clip and fuel line to fuel
rail. (Refer to 14 - FUEL SYSTEM/FUEL DELIV-
ERY/QUICK CONNECT FITTING - STANDARD
PROCEDURE).
11. Install air resonator to throttle body (2 bolts).
12. Install flexible air duct to air box.
13. Connect battery cable to battery.
14. Start engine and check for leaks.
8.3L - SRT-10
1. Install the fuel injectors to the fuel rail.
2. Install fuel rail under throttle body.
3. Apply a light coating of clean engine oiltotheO-ringonthenozzleendofeach injector.
4. Insert fuel injector nozzles into openings in intake manifold. Seat theinjectors in place. Tighten fuel rail bolts to
12 Nꞏm (105 in. lbs.).
5. Attach electrical connectors to fuel injectors.
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6. Connect the electrical connector to the MAP sensor and Coolant Temperature sensor.
7. Connect the electrical connector to the TPS and Idle Air Control.
8. Install the wiring harness to the wiring clips under the throttle body.
9. Connect fuel supply tube to fuel rail. Refer to Quick Connect Fittings inthe Fuel Delivery section.
10. Install the negative battery cable.
11. Install the air cleaner assembly, refer to the Engine/Air Intake System/Air Cleaner Housing for more information.
12. Use the DRBIII
scan tool ASD Fuel System Test to pressurize the fuel system. Check for leaks.
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TA N K - F U E L
DESCRIPTION
The fuel tank is constructed of a plastic material. Its main functions are for fuel storage and for placement of the fuel
pump module, and (if equipped) certain ORVR components.
OPERATION
All models pass a full 360 degree rollover test without fuel leakage. To accomplish this, fuel and vapor flow controls
are required for all fuel tank connections.
Two check (control) valves are mounted into the top of the fuel tank. Refer to Fuel Tank Check Valve for additional
information.
An evaporation control system is connected to the fuel tank to reduce emissions of fuel vapors into the atmosphere.
When fuel evaporates from the fuel tank, vapors pass through vent hoses or tubes to a charcoal canister where
they are temporarily held. When the engine is running, the vapors are drawninto the intake manifold. Certain mod-
els are also equipped with a self-diagnosing system using a Leak DetectionPump (LDP) or NVLD Pump, and/or an
On-Board Refueling Vapor Recovery (ORVR) system. Refer to Emission Control System for additional information.
REMOVAL- EXCEPT DIESEL
1. Disconnect and separate fuel vent line (1) from fuel fill bezel (2).
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