Removal And Installation; Fuel Filter/Fuel Pressure Regulator - Jeep Wrangler 1999 Electronic Service Manual

14 - 14 FUEL SYSTEM
SERVICE PROCEDURES (Continued)
Fig. 21 Fuel Line Disconnection
CAUTION: The interior components (o-rings, spac-
ers, retainers) of this type of quick-connect fitting
are not serviced separately. Do not attempt to repair
damaged fittings or fuel lines/tubes. If repair is nec-
essary, replace the complete fuel tube assembly.
WARNING: THE FUEL SYSTEM IS UNDER A CON-
STANT PRESSURE (EVEN WITH THE ENGINE OFF).
BEFORE SERVICING ANY FUEL SYSTEM HOSES,
FITTINGS OR LINES, THE FUEL SYSTEM PRES-
SURE MUST BE RELEASED. REFER TO THE FUEL
SYSTEM PRESSURE RELEASE PROCEDURE IN
THIS GROUP.
DISCONNECTION/CONNECTION
(1) Perform fuel pressure release procedure. Refer
to Fuel Pressure Release Procedure in this group.
(2) Disconnect negative battery cable from battery.
(3) Clean fitting of any foreign material before dis-
assembly.
(4) Pry up on latch clip with a screwdriver (Fig. 20).
(5) Slide latch clip toward fuel rail while lifting
with screwdriver.
(6) Insert special fuel line removal tool (Snap-On
number FIH 9055-1 or equivalent) into fuel line (Fig.
21). Use this tool to release locking fingers in end of
line.
(7) With special tool still inserted, pull fuel line
from fuel rail.
(8) After disconnection, locking fingers will remain
within quick-connect fitting at end of fuel line.
(9) Prior to connecting fuel line to fuel rail, check
condition of both fittings. Clean parts with a lint-free
cloth. Lubricate with clean engine oil.
(10) Insert fuel line onto fuel rail until a click is
felt.
(11) Install latch clip (snaps into position). If latch
clip will not fit, this indicates fuel line is not
properly installed to fuel rail. Recheck fuel line
connection.
(12) Verify a locked condition by firmly pulling on
fuel line and fitting (15-30 lbs.).
(13) Connect negative battery cable to battery.
(14) Start engine and check for leaks.

REMOVAL AND INSTALLATION

FUEL FILTER/FUEL PRESSURE REGULATOR

The combination Fuel Filter/Fuel Pressure Regula-
tor is located on the fuel pump module. The fuel
pump module is located on top of fuel tank.
The filter/regulator may be removed without
removing fuel pump module although fuel tank must
be removed.
REMOVAL
(1) Remove fuel tank. Refer to Fuel Tank Removal/
Installation.
(2) Clean area around filter/regulator.
(3) Disconnect fuel line at filter/regulator. Refer to
Quick-Connect Fittings in this group for procedures.
(4) Remove retainer clamp from top of filter/regu-
lator (Fig. 22). Clamp snaps to tabs on pump module.
Discard old clamp.
(5) Pry filter/regulator from top of pump module
with 2 screwdrivers. Unit is snapped into module.
(6) Discard gasket below filter/regulator (Fig. 23).
(7) Before discarding
inspect assembly to verify that o-rings (Fig. 24) are
intact. If the smallest of the two o-rings can not be
found on bottom of filter/regulator, it may be neces-
sary to remove it from the fuel inlet passage in fuel
pump module.
Fig. 22 Fuel Filter/Fuel Pressure Regulator
filter/regulator assembly,
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