Frontier 2WD V6-3.3L (VG33E) (2003)
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Push UP on the fuel return hose connector 1 to 2 mm (around 1/16-inch). See Figure 37A.
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With the hose connector pushed UP, hold the two plastic tabs. See Figure 37B.
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While holding the plastic tabs, pry DOWN on the hose connector with hose removal pliers (such as #47900, Lisle Corporation or equivalent). See
Figure 37C.
NOTE:
The hose removal pliers (noted above) are available from TECH-MATE.
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Cut and discard the old Fuel Sending Unit O-ring. You'll be installing a new O-ring later.