Navigator 2WD V8-5.4L (2007)
1. Remove the fuel tank.
127L (33.5 gal) fuel tank
2. Remove the nuts and the fuel pump module cover.
All fuel tanks
3. Disconnect the return fuel tube-to-fuel pump module quick connect coupling, the fuel tank pressure sensor and vapor tube assembly-to-fuel pump
module quick connect coupling and the supply fuel tube-to-fuel pump module quick connect coupling.
4. Using the special tool, remove the fuel pump lock ring.
5. CAUTION:
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Note the location of the fuel pump alignment tabs.
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Carefully remove the fuel pump assembly to avoid damaging the fuel level sensor.
Remove the fuel pump module assembly.
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Remove and discard the O-ring seal.
6. To install, reverse the removal procedure.