Fuel Pump: Service and Repair

REMOVAL

Sending Unit Removal:

1. Relieve fuel system pressure. Refer to MAINTENANCE PROCEDURES/FUEL SYSTEM PRESSURE RELIEF.
2. Drain fuel tank. Refer to MAINTENANCE PROCEDURES/FUEL TANK DRAINING.
3. Remove fuel tank. Refer to FUEL TANK ASSEMBLY.
4. Remove fuel feed and return clamps and hoses from the fuel pump assembly.
5. Remove twelve attaching screws from the fuel pump assembly and the assembly with gasket from the fuel tank.
6. Remove one mounting screw from the fuel pump motor assembly.

Fuel Pump And Sending Unit Connectors:

7. Remove two fuel pump motor electrical connectors and remove the pump motor from the fuel pump assembly.
8. Remove two mounting screws from the sending unit.
9. Disconnect two sending unit lead wires from the fuel pump assembly and remove the unit.
10. Inspect the fuel pump filter (sock) for evidence of dirt and contamination. If present, clean and check for presence of dirt in the fuel tank. If dirt is present in fuel tank, flush out fuel tank.

INSTALLATION

Pump And Sending Unit Mounting:

1. Install sending unit and lead wires to the fuel pump assembly.
2. Install two mounting screws to the sending unit.
3. Install fuel pump motor to fuel pump assembly, and connect two pump motor electrical connectors.
4. Install one mounting screw to the fuel pump motor.
5. Connect fuel pump assembly and gasket to the fuel tank.
6. Install twelve attaching screws to the fuel pump assembly.
7. Connect fuel feed and return hoses and clamps to the fuel pump assembly.
8. Install fuel tank into the vehicle.
9. Start vehicle and check for fuel leaks.