Jeep 1996 Grand Cherokee Service Manual - page 1065
(5) Disconnect fuel supply line latch clip and fuel
line at fuel rail. Refer to Fuel Tubes/Lines/Hoses and
Clamps, or Quick-Connect Fittings. These can both
be found in the Fuel Delivery section of this group.
(6) Remove fuel rail mounting bolts (Fig. 35).
(7) On models with automatic transmissions, it
may be necessary to remove automatic transmission
throttle line pressure cable and bracket. This will aid
in fuel rail assembly removal.
(8) Remove fuel rail by gently rocking until all the
fuel injectors are out of the intake manifold.
INSTALLATION
(1) Apply a small amount of clean engine oil to
each injector o-ring. This will aid in installation.
(2) Position tips of all fuel injectors into the corre-
sponding injector bore in the intake manifold. Seat
injectors into manifold.
(3) Tighten fuel rail mounting bolts to 27 N·m (20
ft. lbs.) torque.
(4) Connect injector harness connectors to appro-
priate (tagged) injector.
(5) Connect fuel line and fuel line latch clip to fuel
rail. Refer to this group for procedures.
(6) Install protective cap to pressure test port fit-
ting (if equipped).
(7) Install fuel tank cap.
(8) Connect negative battery cable to battery.
(9) Start engine and check for fuel leaks.
FUEL INJECTOR(S)
WARNING:
THE FUEL SYSTEM IS UNDER A CON-
STANT
PRESSURE
EVEN
WITH
THE
ENGINE
TURNED
OFF.
BEFORE
SERVICING
THE
FUEL
INJECTOR(S),
THE
FUEL
SYSTEM
PRESSURE
MUST BE RELEASED.
To release fuel pressure, refer to the Fuel System
Pressure Release Procedure.
To remove one or more fuel injectors, the fuel rail
assembly must be removed from engine.
REMOVAL
(1) Remove air duct at throttle body.
(2) Remove fuel injector rail assembly. Refer to
Fuel Injector Rail removal in this section.
(3) Remove the clip(s) retaining the injector(s) to
fuel rail (Fig. 33) or (Fig. 34).
(4) Remove injector(s) from fuel rail.
INSTALLATION
(1) Apply a small amount of 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 installation.
(4) Install air duct at throttle body.
(5) Start engine and check for leaks.
FUEL TANK
WARNING:
THE FUEL SYSTEM IS UNDER CON-
STANT FUEL PRESSURE EVEN WITH THE ENGINE
OFF.
THIS
PRESSURE
MUST
BE
RELEASED
BEFORE SERVICING FUEL TANK.
REMOVAL
(1) Disconnect negative battery cable at battery.
(2) Release fuel system pressure. Refer to the Fuel
System Pressure Release Procedure in the Fuel
Delivery section of this group.
(3) Raise and support vehicle.
(4) Remove the fuel tank filler hose and vent hose
retaining clamps (Fig. 36). Remove both tubes at fuel
filler tube (Fig. 36).
(5) Remove the rear tow hooks (if equipped).
(6) Remove the fuel tank skid plate mounting
nuts/bolts
and
remove
skid
plate
(Fig.
37)
(if
equipped).
(7) Remove the optional trailer hitch (if equipped).
(8) Remove
the
exhaust
tailpipe
heat
shield
mounting bolts and remove shield.
CAUTION:
To protect the fuel tank from exhaust
heat, this shield must reinstalled after tank installa-
tion.
Fig. 36 Fuel Filler Tube and Hoses
14 - 20
FUEL SYSTEM
ZJ
REMOVAL AND INSTALLATION (Continued)