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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 268 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTS - 2.2L)FUEL SYSTEMS (GASOLINE)FUEL SYSTEM CLEANING
2004 Oldsmobile Bravada RWD

Fuel System Cleaning

2004 Oldsmobile Bravada RWDSECTION Fuel System Cleaning
WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.
  1. Remove the fuel tank.
  2. Remove the fuel sender assembly.
  3. Inspect the fuel sender strainer.
    4. WARNING: When flushing the fuel tank, handle the fuel and water mixture as a hazardous material. Handle the fuel and water in accordance with all applicable local, state, and federal laws and regulations.
  4. Flush the fuel tank with hot water.
  5. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank to be sure that the removal of the water from the fuel tank is complete.
  6. Allow the tank to dry completely before reassembly.
  7. Disconnect the fuel pipes at the engine compartment fuel pipes. See FUEL LINE QUICK CONNECT FITTINGS in REMOVAL & INSTALLATION - CAVALIER & SUNFIRE article.
    8. CAUTION: Only use oil free compressed air to blow out the fuel pipes.
  8. Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.
  9. Connect the fuel pipes to the engine compartment fuel pipes.
  10. Replace the fuel filter.
  11. Install the fuel sender assembly.
  12. Install the 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.