Fuel Tank Unit Removal/Installation: Installation

2008 Acura CSX Base, K20A3SECTION Installation
  1. Install a new base gasket (A), and locknut plate (B) to the fuel tank (C).
    Fig 1: Identifying Base Gasket And Fuel Tank
    G06264747Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Insert the fuel tank unit (D) into the fuel tank. Be careful not to bend the fuel gauge sending unit.
  3. 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.
  4. 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.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.