Fuel Tank Module Replacement - Primary
FUEL TANK MODULE REPLACEMENT - PRIMARYTOOLS REQUIRED
J 45722 Fuel Tank Lock Ring Remover
REMOVAL PROCEDURE
1. Remove the fuel tank.
CAUTION: Whenever fuel line fittings are loosened or removed, wrap a shop cloth around the fitting and have an approved container available to collect any fuel.
NOTE: Clean all fuel pipe and hose connections and surrounding areas before disassembling to avoid possible contamination of the fuel system. Spray the fuel pump module cam-lock ring tang with penetrating oil prior to attempting removal.
2. Remove the secondary fuel pump module.
3. Disconnect the electrical connectors from the primary fuel pump module and fuel tank pressure sensor.
4. Use the J 45722 and remove the fuel pump module retaining ring.
NOTE: To prevent retainer damage, do not attempt to remove the retainer with a 12 in. or shorter ratchet/breaker bar.
5. Disconnect the fuel feed and vent lines from the fuel tank.
6. Remove the primary fuel pump module assembly.
NOTE: To prevent bending of the sending unit float arm during removal, lift the pump module up slightly to disengage the orientation tabs in the tank and rotate the module 45 degrees.
7. Discard the fuel pump module-to-tank seal.
IMPORTANT: Always replace the fuel pump module-to-tank seal, O-ring, when the fuel pump module is removed.
8. If the fuel level sending unit is being replaced, remove the fuel level sender.
INSTALLATION PROCEDURE
1. If the fuel level sending unit is being replaced, install the fuel level sending unit onto the new fuel pump.
2. Insert the new primary fuel pump module assembly with the level sender and the new fuel pump-to-tank seal. Ensure the orientation tabs are aligned.
3. Use the J 45722 to install the fuel pump lock ring.
4. Connect the wiring harness to the primary fuel pump module and fuel tank pressure sensor.
5. Install the secondary fuel pump module.
6. Install the fuel tank.