Fuel Rail; Description; Operation; Removal - 2.7/3.5L - Chrysler 2004 Concorde Service Manual

14 - 8 FUEL DELIVERY
FUEL PUMP MODULE (Continued)
Fig. 11 FUEL TANK NOTCH LOCATOR
(3) Position the locknut over the fuel pump mod-
ule.
(4) Tighten the locknut using Special Tool #6856 to
55 N·m (40.5 ft. lbs.).
CAUTION: Over tightening the pump lock ring may
result in a leak.
(5) Raise the fuel tank on the transmission stand.
(6) Install fuel pump electrical connector into hole
in the body.
(7) Connect the purge and vent lines.
(8) Raise tank into position and install tank
straps.
(9) Install the fuel filler tube and tighten the
clamp.
(10) Reposition the stabilizer bar and install bolts.
(11) Lower vehicle.
(12) Connect the fuel pump electrical connector
that is in the rear seat.
(13) Install the rear seat.
(14) Connect the battery cable.
(15) Fill fuel tank. Use the DRB III scan tool to
pressurize the fuel system. Check for leaks.

FUEL RAIL

DESCRIPTION

The fuel rail supplies the necessary fuel to each
individual fuel injector and is mounted to the intake
manifold.

OPERATION

The fuel pressure regulator is no longer mounted
to the fuel rail on any engine. It is now located on
the fuel tank mounted fuel pump module. Refer to
Fuel Filter/Fuel Pressure Regulator in the Fuel
Delivery System section of this group for information.
The fuel rail is not repairable.

REMOVAL - 2.7/3.5L

WARNING: RELEASE FUEL SYSTEM PRESSURE
BEFORE SERVICING FUEL RAIL. SERVICE VEHI-
CLES IN WELL VENTILATED AREAS AND AVOID
IGNITION SOURCES. NEVER SMOKE WHILE SER-
VICING THE VEHICLE.
(1) Release fuel system pressure. Refer to Fuel
System Pressure Release Procedure in this section.
(2) Disconnect the negative battery cable.
(3) Remove intake manifold plenum. Refer to the
Engine section for information.
(4) Remove intake manifold plenum mounting
bolts. Lift Plenum up off of engine. Cover intake
manifold to prevent foreign material from entering
engine.
(5) Disconnect fuel supply tube quick connect fit-
ting at the rear of the fuel rail. Refer to Quick Con-
nect Fittings in the Fuel Delivery Section.
(6) If the injector connectors are not tagged with
their cylinder number, tag them to identify the cor-
rect cylinder (Fig. 12).
Fig. 12 Injector Electrical Connectors
1 - FUEL INJECTOR
2 - IGNITION COIL
(7) Remove mounting bolts on both sides of fuel
rail.
(8) Lift fuel rail straight up off of cylinder head.
(9) Remove retaining clips from fuel injectors at
fuel rail.
(10) Remove fuel injector from fuel rail.
LH