Fuel Gauge Sending Unit - Jeep Wrangler 1999 Electronic Service Manual

14 - 16 FUEL SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 26 Locknut Removal/Installation—Typical
INSTALLATION
CAUTION: Whenever the fuel pump module is ser-
viced, the module gasket must be replaced.
(1) Using a new gasket, position fuel pump module
into opening in fuel tank.
(2) Position locknut over top of fuel pump module.
(3) Rotate module until arrow (Fig. 22) is pointed
toward front of vehicle (12 o'clock position). This step
must be done to prevent float/float rod assembly from
contacting sides of fuel tank.
(4) Install Special Tool 6856 to locknut.
(5) Tighten locknut to 62 N·m (45 ft. lbs.) torque.
(6) Rotate fuel filter/fuel pressure regulator until
its fitting is pointed to 10 o'clock position.
(7) Install fuel tank. Refer to Fuel Tank Installa-
tion in this section.
FUEL PUMP INLET FILTER
The fuel pump inlet filter (strainer) is located on
the bottom of fuel pump module (Fig. 27). The fuel
pump module is located on top of fuel tank.
REMOVAL
(1) Remove fuel tank. Refer to Fuel Tank Removal/
Installation.
(2) Remove fuel pump module. Refer to Fuel Pump
Module Removal/Installation.
(3) Remove filter by prying from bottom of module
with 2 screwdrivers. Filter is snapped to module.
(4) Clean bottom of pump module.
INSTALLATION
(1) Snap new filter to bottom of module.
(2) Install fuel pump module. Refer to Fuel Pump
Module Removal/Installation.
(3) Install fuel tank. Refer to Fuel Tank Removal/
Installation.
Fig. 27 Fuel Pump Inlet Filter

FUEL GAUGE SENDING UNIT

The fuel gauge sending unit (fuel level sensor) and
float assembly is located on the side of fuel pump
module (Fig. 28). The fuel pump module is located
within the fuel tank.
Fig. 28 Fuel Gauge Sending Unit Location
REMOVAL
(1) Remove fuel tank. Refer to Fuel Tank Removal/
Installation.
(2) Remove fuel pump module. Refer to Fuel Pump
Module Removal/Installation.
(3) Remove electrical wire connector at sending
unit terminals.
(4) Press on release tab (Fig. 29) to remove send-
ing unit from pump module.
INSTALLATION
(1) Position sending unit to pump module and
snap into place.
TJ