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.
2009 Acura CSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Tank Unit Removal/Installation: Installation
- Install a new base gasket (A), and locknut plate (B) to the fuel tank (C).
- Insert the fuel tank unit (D) into the fuel tank. Be careful not to bend the fuel gauge sending unit.
- Align the marks (E) on the fuel tank and the fuel tank unit, then tighten a new locknut (F) by hand.NOTE:
- After tightening, make sure the marks are aligned. Check the circumference of the base gasket visually or by hand and be sure that the gasket is not pinched.
- Do not coat the base gasket or the locknut plate with oil.
- Using the tool, tighten the fuel tank unit locknut (A).NOTE: After installation, check the base gasket visually or by hand to be sure the gasket is not pinched.
Factory Service Tools
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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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