2003 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Fuel Lid: Components: Installation

  1. INSTALL NO. 3 FUEL TANK FILLER PIPE SHIELD 
  2. INSTALL FUEL FILLER OPENING LID 
    1. Install the lock retainer with the nut to the opening lid.

      Torque: 5.5 N.m (56 kgf.cm, 49 in..Ibf) 

    2. Using a riveter, install the fuel filler opening lid with the 2 rivets to the body.
    Fig 1: Installing Fuel Filler Opening Lid With Rivets
    G03598924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL FUEL TANK FILLER PIPE SHIELD 
    1. Remove the fuel tank cap.
    2. Install the fuel inlet pipe shield to the body.
    3. Install the fuel tank cap quickly.
      CAUTION: Always keep the tank cap closed when it is not required to be open. Keep all fire away during the operation.
    4. Tighten the 4 screws.
  4. INSTALL FUEL TANK CAP TETHER TO FUEL FILLER OPENING LID 

    Install the fuel tank cap tether with the clip to the fuel filler opening lid.

    Fig 2: Installing Fuel Inlet Pipe Shield To Body
    G03598925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FUEL LID LOCK ASSEMBLY 
    1. Connect the connector, then install the lock assembly with the nut.

      Torque: 5.5 N.m (56 kgf.cm, 49 in..Ibf) 

    2. Torque the nut from the fuel lid side.

      Torque: 8.0 N.m (82 kgf.cm, 71 in..Ibf) 

      Fig 3: Installing Lock Assembly With Nut
      G03598926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the connector, then install the lamp failure relay with the nut.
  6. INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER LH 
  7. INSTALL LUGGAGE COMPARTMENT TRIM FRONT COVER 
  8. INSTALL REAR FLOOR FINISH PLATE 
  9. INSTALL LUGGAGE COMPARTMENT FLOOR MAT 
    Fig 4: Identifying Lamp Failure Relay
    G03598927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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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