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HOMESERVICE MANUALSACURA2018TLX BASE, 2.4L ENGREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUEL AND EMISSIONS - SERVICE INFORMATIONREMOVAL & INSTALLATIONFUEL TANK UNIT REMOVAL AND INSTALLATION (WITHOUT SH-AWD)INSTALLATION
2018 Acura TLX Base, 2.4L Eng

Fuel Tank Unit Removal and Installation (Without SH-AWD): Installation

2018 Acura TLX Base, 2.4L EngSECTION Installation
  1. Fuel Tank Unit - Temporarily Insert
    GHH200962Courtesy of HONDA, U.S.A., INC.
    		 1. Insert the fuel tank unit (A) partially into the fuel tank with a new O-ring (B).
    • Be careful not to damage the new O-ring.
    • Be careful not to bend or twist the fuel level sensor arm (C) excessively.
    • Do not coat the base gasket with oil.
  2. Fuel Tank Unit - Align
    GHH200963Courtesy of HONDA, U.S.A., INC.
    		 1. Align the marks (A) on the fuel tank and fuel tank unit, then insert the fuel tank unit into the fuel tank.
    NOTE: To avoid a fuel leak, check the O-ring, visually or by hand, to make sure it is not pinched.
  3. Fuel Tank Unit - Install
    GHH200964Courtesy of HONDA, U.S.A., INC.
    		 1. Tighten a new locknut (A) by hand holding the fuel tank unit vertically.
    NOTE: Before tightening, align the mark (B) on the locknut to the start of the thread (C).
    Fig 1: Fuel Nut Locknut With Torque Specifications (Without SH-AWD)
    GHH200965Courtesy of HONDA, U.S.A., INC.
    2. Using the fuel nut wrench, tighten the locknut to the specified torque.
    NOTE:
    • After tightening, make sure the marks (A) are still aligned.
    • After installation, check the O-ring, visually or by hand, to make sure it is not pinched.
  4. Fuel Line Quick-Connect Fitting - Connect 
    GHH200966Courtesy of HONDA, U.S.A., INC.
  5. Fuel Leak - Check
    GHH200967Courtesy of HONDA, U.S.A., INC.
    		 1. Connect the fuel tank unit connector (A)

    2. Turn the vehicle to the ON mode, but do not start the engine. After the fuel pump runs for about 2 seconds, the fuel line will be pressurized. Repeat this two or three times, then check for fuel leakage.
  6. Access Panel - Install
    GHH200968Courtesy of HONDA, U.S.A., INC.
    		 1. Install the access panel (A) to the floor.
  7. Rear Seat Cushion - Install
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.