2007 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Fuel Pump: Installation

  1. INSTALL FUEL PUMP AND SENDER GAUGE ASSEMBLY 
    1. Install a new gasket to the fuel suction plate.
    2. Connect the fuel sub-suction hose to the fuel return jet tube.
    3. Attach the fuel pump and sender gauge to the fuel tank.
      Fig 1: Identifying Fuel Sub-Suction Hose
      G05289194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL FUEL TANK VENT TUBE SET PLATE 
    1. Install the set plate with the 8 bolts.

      Torque: 6.0 N*m (61 kgf*cm, 52 in.*lbf) 

  3. INSTALL FUEL TANK MAIN TUBE SUB-ASSEMBLY 
    1. Attach the fuel tube connector to the port of the fuel suction plate.
    2. Install the tube joint clip.
    3. Connect the fuel pump connector.
      Fig 2: Attaching Fuel Tube Connector To Port Of Fuel Suction Plate
      G05289195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  5. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
  6. CHECK FOR FUEL LEAKS 
    1. Start the engine, and check that there are no fuel leaks after performing maintenance anywhere on the system.
  7. INSTALL REAR FLOOR NO. 2 SERVICE HOLE COVER 
    1. Install the service hole cover with the 3 cap nuts.
  8. INSTALL REAR SEAT CUSHION ASSEMBLY (See  INSTALLATION  ) 
    Fig 3: Locating Service Hole Cover With Cap Nuts
    G05289196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.