Fuel Pump: Service and Repair

WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH THE ENGINE OFF). BEFORE SERVICING THE FUEL PUMP MODULE, THE FUEL SYSTEM PRESSURE MUST BE RELEASED.


FUEL PUMP MODULE REMOVAL

CAUTION: Whenever the fuel module is serviced, the locknut and gasket must be replaced.


1. Drain the fuel tank. Refer to Draining Fuel Tank in the Fuel Tank section of this group.

2. Remove fuel tank. Refer to Fuel Tanks in this group.

Fuel Pump Module:

3. The fuel pump module locknut is threaded onto the fuel tank. Remove the fuel pump module locknut. The fuel pump module will spring up when the locknut is removed.

4. Remove module from fuel tank.


DISASSEMBLY

FUEL GAUGE SENDING UNIT

1. Remove sending unit mounting screws.

Fuel Pump Module Components (Typical):

2. Mark the sending unit electrical wires for correct installation when the new unit is installed. Carefully disconnect electrical wires from sending unit.

3. Remove sending unit.

4. Reverse order of removal for installation.


IN-TANK FUEL FILTER

The in-tank filter is attached to the bottom of the fuel pump module.

1. Pry the mounting tabs back and remove the in- tank fuel filter.

2. Install new fuel filter into retaining tabs.


FUEL PUMP REPLACEMENT

The fuel pump is not serviceable. If the fuel pump needs replacement, the complete fuel pump module must be replaced.


FUEL PUMP MODULE INSTALLATION

CAUTION: Whenever the fuel module is serviced, the locknut and gasket must be replaced.

1. Using a new gasket, position fuel module into opening in fuel tank.

2. Position new locknut over top of fuel pump module.

3. Tighten locknut.

4. Install fuel tank. Refer to Fuel Tank Installation in this section.