Removal (B2300, B3000 & B4000)

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Remove fuel tank.
Clean the area around the fuel pump mounting flange.
Using Fuel Sender Wrench (310-075), remove fuel tank sending unit assembly locking retainer ring. See Fig 1.
Remove the fuel pump assembly. See Fig 1.
CAUTION: The fuel pump must be handled carefully to avoid damage to the float arm and filter.
Remove and discard the fuel pump mounting gasket.

Fig 1: Removing Fuel Pump - B2300, B3000 & B4000

Courtesy of MAZDA MOTORS CORP.