2004 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Fuel Tank ASSY: Replacement

WARNING: This page is about a different car, the 2004 Lexus SC 430, 2003 Lexus SC 430, and 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See  PRECAUTION  ) 
  2. DRAIN FUEL 
  3. REMOVE REAR SEAT CUSHION ASSY 
  4. REMOVE REAR FLOOR SERVICE HOLE COVER NO.2 
  5. REMOVE FUEL PUMP TUBE SUB-ASSY 
    NOTE:
    • Operation should be done under the condition that the remaining fuel is less than 1/4 in the tank. 
    • Check if there is any dirt like mud around the connector before this work and clean the dirt away. 
    • Be careful of dirt like mud because the quick connector has an O-ring to seal the pipe and the connector. 
    • Do not use any tool in this work. 
    • Do not bend or twist the nylon tube by force. 
    • After disconnecting the tube, cover the connector with a vinyl bag. 
    • When the connector and the pipe are stuck, pinch the tube between fingers, and tun it carefully to free and then disconnect the tube. 
      Fig 1: Removing Fuel Pump Tube Sub-Assy (1 Of 2)
      G00935561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connector in the fuel tank side.
      1. Remove the tube joint clip.
      2. Pull out the fuel main tube.
      3. Plug the port of the fuel suction plate with a clean rubber cap.
    2. Disconnect the connector in the fuel pipe side.
      1. Clean the pipe before the operation.
      2. Pull out the connector, holding the claw of the retainer by thumb as shown in the illustration.
        Fig 2: Removing Fuel Pump Tube Sub-Assy (2 Of 2)
        G00935562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.