Fuel Pump: Service and Repair

FUEL PUMP MODULE

REMOVAL

WARNING: RELEASE FUEL SYSTEM PRESSURE BEFORE SERVICING FUEL SYSTEM COMPONENTS. SERVICE VEHICLES IN WELL VENTILATED AREAS AND AVOID IGNITION SOURCES. NEVER SMOKE WHILE SERVICING THE VEHICLE.

1. Remove fuel filler cap and perform Fuel System Pressure Release procedure.
2. Disconnect negative cable from auxiliary jumper terminal.
3. Drain fuel tank, refer to the Fuel Tank procedure in the Fuel Delivery section.
4. Remove fuel tank, refer to the Fuel Tank removal section.
5. Clean top of tank to remove loose dirt and debris.

Fig. 11 Fuel Pump Module Locking Ring:

6. Using a brass punch and hammer remove locknut to release pump module (Fig. 11).

WARNING: THE FUEL RESERVOIR OF THE FUEL PUMP MODULE DOES NOT EMPTY OUT WHEN THE TANK IS DRAINED. THE FUEL IN THE RESERVOIR MAY SPILL OUT WHEN THE MODULE IS REMOVED.

Fig. 12 Fuel Pump Module Removal:

7. Remove fuel pump module and O-ring from tank (Fig. 12). Discard O-ring.

INSTALLATION

NOTE: Be careful not to allow dirt/debris to fall into the fuel tank.

1. Wipe seal area of tank clean and place a new O-ring seal in position on pump.
2. Position fuel pump module in tank.
3. Tighten lockring using a brass punch and hammer to install the lockring (Fig. 11).
4. Install fuel tank, refer to the Fuel Tank installation section.
5. Lower vehicle.
6. Connect negative cable battery.
7. Fill fuel tank. Use the DRB III scan tool to pressurize the fuel system. Check for leaks.
8. Install fuel filler cap.