Fuel Tank: Removal

2004 Oldsmobile Bravada AWDSECTION Removal
WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Use safety glasses when using compressed air to prevent eye injury. Never drain or store fuel in an open container due to the possibility of fire or explosion. When draining the fuel tank, slowly insert the hand operated pump device in the fuel tank. Do not force the hand operated pump device in the fuel tank. Forcing the pump device can cause the fuel pump to dislocate from the fuel sender assembly.
  1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE  . Drain as much fuel as possible through fuel filler pipe using a hand-operated pump. Raise and support vehicle.
  2. Using compressed air, clean area around any fittings and hoses to be disconnected. Disconnect the fuel tank pipes from the fuel feed and fuel return pipes. See Figure and FUEL LINE DISCONNECT FITTINGS  . Loosen fuel filler neck hose clamp at fuel tank. Remove fuel filler neck at fuel tank. Disconnect the EVAP purge pipe. See Figure . Disconnect electrical connections to fuel tank. Support fuel tank. Remove fuel tank strap retaining bolts and fuel tank straps. Remove fuel tank.
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.