Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 267 (ENGINE CONTROLS - REMOVAL & INSTALLATION)FUEL SYSTEMSFUEL TANKFUEL TANK/SYSTEM CLEANING
2004 Oldsmobile Bravada AWD
Fuel Tank/System Cleaning
2004 Oldsmobile Bravada AWDSECTION Fuel Tank/System Cleaning
WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.
- Remove the fuel tank, if not already removed. Remove the fuel sender assembly from fuel tank, if not already removed.
- Inspect the fuel sender strainer. Replace the fuel sender assembly if the fuel strainer is contaminated.
- Flush the fuel tank with hot water.
- 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.
- Allow tank to dry completely before reassembly.
- Disconnect fuel pipes at engine compartment fuel pipes. See FUEL LINE DISCONNECT FITTINGS .
- Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.
- Connect the fuel pipes to the engine compartment fuel pipes.
- Replace the fuel filter. See FUEL FILTER . Install the fuel sender assembly. Install the fuel tank.
NOTE:
When flushing the fuel tank, the fuel and water mixture needs to be treated as a hazardous material. The material needs to be handled in accordance with all local, state and federal laws and regulations.
NOTE:
Only use oil-free compressed air to blow out fuel pipes.
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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.