Dodge Ram Truck 1500-2500-3500. Manual — part 1459
5. Disconnect the electrical connector to the TPS (1)
and Idle Air Control.
6. Remove the wiring harness from the wiring clips
under the throttle body.
7. Disconnect the electrical connector from the fuel
injectors.
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FUEL DELIVERY - GAS
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8. Disconnect the fuel line quick connector.
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 V-6
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 help in 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. Push right side of fuel rail down until fuel injectors
have bottomed on cylinder head shoulder. Push
left fuel 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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