Fuel Pump: Service and Repair

Fig. 1 Top View Fuel Pump Module - Gas Powered Engines - Typical:

Fig. 2 Fuel Pump Module Components - Gas Powered Engines - Typical:

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.

1. Drain and remove fuel tank.
- Refer to Fuel Tank Removal/Installation.

Fig. 24 Locknut Removal/Installation - Typical:

2. The plastic fuel pump module locknut is threaded onto fuel tank.
- Install Special Tool 6856 to locknut and remove locknut.
- The fuel pump module will spring up when locknut is removed.
3. Remove module from fuel tank.

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

INSTALLATION
1. Using a new gasket position fuel pump module into opening in fuel tank.
2. Position locknut over top of fuel pump module. Install locknut finger tight.

Fuel Pump Module:

3. Rotate module until positioned as shown.
- This step must be performed to prevent float from contacting side of fuel tank.
- Be sure fuel filter/fuel pressure regulator is pointed to drivers side of vehicle.
4. Install Special Tool 65-56 to locknut.
5. Tighten locknut to 24-44 N.m ( 18-32 ft. lbs) torque.
6. Install fuel tank.
- Refer to Fuel Tank Removal/Installation.