2004 Jeep Wrangler SE, AutomaticFACTORY OEM SERVICE PROCEDURE

Fuel Pump Module: Description

The fuel pump module on all models is installed into the top of the fuel tank. See Figure. The fuel pump module contains the following components:

  • A combination fuel filter/fuel pressure regulator
  • A separate fuel pick-up filter (strainer)
  • An electric fuel pump
  • A threaded locknut to retain module to tank
  • A gasket between tank flange and module
  • Fuel gauge sending unit (fuel level sensor)
  • Fuel supply tube (line) connection

The fuel gauge sending unit, pick-up filter and fuel filter/fuel pressure regulator may be serviced separately. If the electrical fuel pump requires service, the entire fuel pump module must be replaced.

Fig 1: Identifying Fuel Pump Module Components
G01740929Courtesy of DAIMLERCHRYSLER CORP.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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