Fuel Pump Module Replacement
WARNING: The fuel system is under constant pressure, even when the engine is OFF. Always release fuel pressure before servicing any fuel system component.
FUEL PUMP MODULE
REMOVAL
Fuel Hose Fitting On Fuel Pump Module:
1. Release fuel pressure. Service and Repair
2. Drain fuel tank and remove fuel tank.
3. While holding the fuel pump module down, remove the locknut, (locknut is threaded onto tank). Use a brass drift to loosen the fuel pump locknut. After the locknut has been removed release the fuel pump module and it will spring up from the fuel tank.
4. Remove the fuel pump module from the fuel tank.
INSTALLATION
NOTE: Locknut and gasket must be replaced whenever the fuel pump module is serviced.
1. Wipe seal area of tank clean, and install a new seal on pump.
2. Install locknut over top of fuel pump module.
3. Push fuel pump module into the tank and hold with one hand while tightening the locknut with the other hand.
4. Install fuel tank assembly.
5. Use scan tool to pressurize fuel system and check for leaks. SEE COMPUTERS AND CONTROL SYSTEMS/SCAN TOOL ORIENTATION
CAUTION: Unless the test is stopped or the ignition switch is turned to the OFF position the fuel pump relay and the ASD relay will remain energized for 7 minutes by the ASD Fuel System Test.
FUEL PUMP
The fuel pump is not serviceable, if the pump is defective, replace the whole fuel pump module.
FUEL GAUGE SENDING UNIT
Fuel Gauge Sending Unit And In-Tank Filter:
REMOVAL
1. Remove sending unit attaching screws from mounting bracket located on the side of the fuel pump reservoir.
2. Disconnect electrical connections from sending unit, and remove sending unit.
INSTALLATION
1. Connect the electrical connections to the sending unit.
2. Install sending unit onto the fuel reservoir, and tighten the mounting screws.
IN-TANK FUEL FILTER
Fuel Gauge Sending Unit And In-Tank Filter:
REMOVAL
1. Pry back the fuel filter mounting tabs and pull the fuel filter off of the fuel pump module.
INSTALLATION
1. Snap the fuel filter onto the mounting tabs of the fuel reservoir.