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.
2004 Hyundai XG350 BaseFACTORY OEM SERVICE PROCEDURE
Fuel Tank: Inspection
- Check the hoses and the pipes for cracks or damage.
- Check the fuel tank cap for proper operation.
- Check the fuel tank for deformation, corrosion or cracking.
- Check the fuel tank inside for dirt or contamination.
- Check the in-tank fuel filter for damage or restriction.
- Test the two-way valve for proper operation.
- Using a vacuum hand pump, check the operation of the two-way valve.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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