Dodge 2000 DURANGO Service Manual page 734

14 - 14 FUEL SYSTEM
SERVICE PROCEDURES (Continued)
(6) Verify a locked condition by firmly pulling on
fuel tube and fitting (15-30 lbs.).
(7) Latch Clip Equipped: Install latch clip (snaps
into position). If latch clip will not fit, this indi-
cates fuel line is not properly installed to fuel
rail (or other fuel line). Recheck fuel line con-
nection.
(8) Connect negative cable to battery.
(9) Start engine and check for leaks.
REMOVAL AND INSTALLATION
FUEL FILTER/FUEL PRESSURE REGULATOR
REMOVAL
WARNING: THE FUEL SYSTEM IS UNDER A CON-
STANT PRESSURE, EVEN WITH ENGINE OFF.
BEFORE SERVICING
PRESSURE REGULATOR,
PRESSURE MUST BE RELEASED.
Refer to Fuel System Pressure Release in the Fuel
Delivery System section of this group.
The fuel filter/fuel pressure regulator is located at
top of fuel pump module on top of fuel tank (Fig. 22).
Fig. 21 Fuel Filter/Fuel Pressure Regulator
1 – INTERNAL FUEL FILTER
2 – FUEL FLOW TO FUEL INJECTORS
3 – FUEL FILTER/FUEL PRESSURE REGULATOR
4 – EXCESS FUEL BACK TO TANK
5 – FUEL INLET
6 – RUBBER GROMMET
7 – TOP OF PUMP MODULE
Fuel pump module removal is not necessary for fil-
ter/regulator removal.
(1) Drain fuel tank and remove tank. Refer to Fuel
Tank Removal/Installation.
THE FUEL FILTER/FUEL
THE FUEL SYSTEM
Fig. 22 Filter/Regulator Location
1 – FUEL PUMP MODULE
2 – FRONT ROLLOVER VALVE
3 – FUEL FILTER/FUEL PRESSURE REGULATOR
4 – FUEL TANK
5 – EVAP LINE
6 – REAR ROLLOVER VALVE
(2) Clean area around filter/regulator to prevent
contaminants from entering pump module.
(3) The fuel filter/regulator is pressed into a rub-
ber grommet. Remove by twisting and pulling
straight up.
CAUTION: Do not pull filter/regulator more than
three inches from fuel pump module. Damage to
coiled fuel tube (line) may result.
(4) Gently cut old fuel tube (line) clamp (Fig. 23)
taking care not to damage plastic fuel tube. Remove
and discard old fuel tube clamp.
(5) Remove plastic fuel tube from filter/regulator
by gently pulling downward. Remove filter/regulator
from fuel pump module.
INSTALLATION
(1) Install a new clamp over plastic fuel tube.
(2) Install filter/regulator to fuel tube. Rotate fil-
ter/regulator in fuel tube (line) (Fig. 24) until it is
pointed towards front of tank (or front of vehicle).
(3) Tighten line clamp to fuel line using special
Hose Clamp Pliers number C-4124 or equivalent
(Fig. 24). Do not use conventional side cutters to
tighten this type of clamp.
(4) Press filter/regulator (by hand) into rubber
grommet.
(5) Rotate filter/regulator until pointed towards
front of vehicle (Fig. 22).
(6) Install fuel tank. Refer to Fuel Tank Removal/
Installation.
(7) Check for fuel leaks.
DN