Fuel Pump: Service and Repair

REMOVAL

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

1. Drain fuel tank and remove tank. Refer to Fuel Tank Removal/installation.
2. Thoroughly wash and clean area around pump module to prevent contaminants from entering tank.

Top View Of Fuel Pump Module:

Locknut Removal/Installation - Typical:

3. The fuel pump module locknut is threaded onto fuel tank. Install Special Tool 6856 to fuel pump module locknut and remove locknut.
4. Remove module from fuel tank.

INSTALLATION

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

1. Using a new gasket, position fuel pump module into opening in fuel tank. Be sure rubber gasket remains in place. Rotate module assembly until module alignment arrow is at 7 o'clock position. This step must be followed to prevent float/float rod from contacting sides of fuel tank.
2. Position locknut over top of fuel pump module. Tighten finger tight.
3. Carefully rotate fuel filter/fuel pressure regulator until pointed towards drivers side of vehicle.
4. Install Special Tool 6856 to locknut.
5. Tighten locknut to 54 N-m (40 ft. lbs.) torque. While tightening locknut, be sure module has not rotated.
6. Install fuel tank. Refer to Fuel Tank Installation.