Fuel Sender Assembly: Removal

2004 Oldsmobile Bravada RWDSECTION Removal
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Drain the fuel tank. See FUEL TANK DRAINING .
  2. Remove the rear compartment floor trim. Remove the fuel sender access panel bolts. See Fig 1. Remove the fuel sender access panel. Disconnect the fuel sender quick-connect fittings. See FUEL LINE DISCONNECT FITTINGS . Disconnect the fuel sender electrical connector. Disconnect the Fuel Tank Pressure (FTP) sensor electrical connector.
    Fig 1: Removing/Installing Fuel Sender Access Panel
    G00158361Courtesy of GENERAL MOTORS CORP.
  3. NOTE: The retaining fuel sender assembly will spring-up when the retaining ring is removed.
  4. Remove the fuel sender retaining ring using Fuel Sender Lock Nut Wrench (J-39765). Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints. When removing the fuel sender assembly from the fuel tank, the reservoir bucket on the fuel sender is full of fuel.
  5. The fuel sender must be tipped slightly during removal in order to avoid damage to the float. Place any remaining fuel into an approved container once the fuel sender is removed from the fuel tank. Remove the fuel sender assembly. Clean the fuel sender sealing surfaces. Inspect the fuel sender sealing surfaces.
RENDER: 1.0x

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When to See a Mechanic

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

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