Removal & Installation
- Ensure ignition is off. Locate and remove fuel pump relay from Intelligent Power Module (IPM). See Figure. Start and run vehicle until it stalls. Attempt to start vehicle again until it will no longer run. Turn ignition off. Reinstall fuel pump relay in IPM.
- Disconnect negative battery cable. Remove fuel tank filler cap. Using a 1/4" hose with end going into fuel tank filler cut at a 30 degree angle, drain fuel tank. Raise and support vehicle. Ensure area around fuel pump module is clean. Fuel pump module is located on top of fuel tank. Disconnect fuel lines at fuel pump module. See Fig 1.
- Push connector lock for electrical connector on fuel pump module toward the fuel lines. Push downward on retainer. See Fig 1. Disconnect electrical connector from fuel pump module.
- Support fuel tank with transmission jack. Remove fuel tank strap bolts. Slightly lower fuel tank to disconnect fuel filler tube. Lower fuel tank and disconnect rollover valve and fuel filler tube vent hoses. Remove fuel tank from vehicle.CAUTION: When removing fuel pump module from fuel tank, use care, as reservoir on fuel pump module may still contain some gasoline.
- Note location of fuel pump module lock nut. See Fig 1. Using Lock Nut Wrench (6856), rotate fuel pump module lock nut counterclockwise and remove from fuel tank. Reservoir on fuel pump module may still contain some gasoline. Remove fuel pump module and discard "O" ring from fuel tank.
- To install, reverse removal procedure using NEW "O" ring. Tighten fuel pump module lock nut to 43 ft. lbs. (58 N.m) and fuel tank strap bolts to 40 ft. lbs. (54 N.m). Turn ignition on and check for fuel leaks.