Dodge 2000 DURANGO Service Manual page 740

14 - 20 FUEL SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 35 Remove/Install Injector Connector—4.7L V-8
(15) Remove fuel rail (with injectors attached)
from engine.
(16) If fuel injectors are to be removed, refer to
Fuel Injector Removal/Installation.
INSTALLATION
(1) If fuel injectors are to be installed, refer to Fuel
Injector Removal/Installation.
(2) Apply a small amount of engine oil to each fuel
injector o-ring. This will help in fuel rail installation.
(3) Position fuel rail/fuel injector assembly to
machined injector openings in cylinder head.
(4) Guide each injector into cylinder head. Be care-
ful not to tear injector o-rings.
(5) Push right side of fuel rail down until fuel
injectors have bottomed on cylinder head shoulder.
Push left fuel rail down until injectors have bot-
tomed on cylinder head shoulder.
(6) Install 4 fuel rail mounting bolts and tighten to
27 N·m (20 ft. lbs.).
(7) Install ignition coils. Refer to Ignition Coil
Removal/Installation.
(8) Connect electrical connectors to throttle body.
(9) Connect electrical connectors to MAP and IAT
sensors.
(10) Connect electrical connectors at all fuel injec-
tors. To install connector, refer to (Fig. 35). Push con-
nector onto injector (1) and then push and lock red
Engine
colored slider (2). Verify connector is locked to injec-
tor by lightly tugging on connector.
(11) Connect vacuum lines to throttle body.
(12) Connect fuel line latch clip and fuel line to
fuel rail. Refer to Quick-Connect Fittings.
(13) Connect wiring to rear of generator.
(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.
FUEL INJECTOR(S)
WARNING: THE FUEL SYSTEM IS UNDER A CON-
STANT PRESSURE EVEN WITH ENGINE TURNED
OFF. BEFORE SERVICING FUEL INJECTOR(S),
FUEL SYSTEM PRESSURE MUST BE RELEASED.
To release fuel pressure, refer to Fuel System Pres-
sure Release Procedure.
To remove one or more fuel injectors, fuel rail
assembly must be removed from engine.
REMOVAL
(1) Remove air cleaner assembly.
(2) Remove fuel injector rail assembly. Refer to
Fuel Injector Rail Removal/Installation in this group.
(3) Remove clip(s) retaining the injector(s) to fuel
rail (Fig. 32) or (Fig. 33).
(4) Remove injector(s) from fuel rail.
INSTALLATION
(1) Apply a small amount of clean engine oil to
each fuel injector o-ring. This will help in fuel rail
installation.
(2) Install injector(s) and injector clip(s) to fuel
rail.
(3) Install fuel rail assembly. Refer to Fuel Injector
Rail Removal/Installation.
(4) Install air cleaner.
(5) Start engine and check for leaks.
FUEL TANK
WARNING: THE FUEL SYSTEM IS UNDER A CON-
STANT PRESSURE (EVEN WITH ENGINE OFF).
BEFORE DRAINING FUEL TANK, FUEL SYSTEM
PRESSURE MUST BE RELEASED.
Two different procedures may be used to drain fuel
tank (removing fuel vent hose at fuel tank or using
DRB scan tool).
The quickest draining procedure involves removing
fuel vent hose at fuel tank.
As an alternative procedure, the electric fuel pump
may be activated allowing tank to be drained at fuel
rail connection. Refer to DRB scan tool for fuel pump
DN