2008 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE

Fuel Pump: Disassembly

  1. REMOVE FUEL SENDER GAUGE ASSEMBLY 
    1. Disconnect the fuel sender gauge connector from the fuel suction plate.
    2. Fig 1: Removing Fuel Sender Gauge Assembly
      G05772930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Press down on the sender gauge claw labeled A. Then slide the sender gauge upward.
      NOTE: Do not touch the sender plate's resistance plate area or the contact area.
  2. REMOVE FUEL SUCTION PLATE SUB-ASSEMBLY 
    1. Disconnect the fuel pump connector from the fuel suction plate.
      Fig 2: Locating Fuel Pump Connector And Fuel Suction Plate
      G04947947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using needle nose pliers, remove the E-ring.
    3. Fig 3: Identifying E-Ring
      G04947948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the fuel suction plate and spring from the sub-tank.
  3. REMOVE FUEL FILTER 
    1. Detach the 2 claws and remove the filter from the sub-tank.
      Fig 4: Locating Fuel Filter Claws
      G04947949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE JET PUMP 
    1. Using a screwdriver with the tip taped, remove the jet pump from the sub-tank
      Fig 5: Removing Jet Pump Of Sub-Tank
      G04947950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the jet pump.
      Fig 6: Locating O-Ring And Jet Pump
      G04947958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FUEL PUMP ASSEMBLY 
    1. Disconnect the fuel pump connector from the fuel pump.
      Fig 7: Locating Fuel Pump Connector To Fuel Pump
      G04947952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the 5 claws on the filter and remove the fuel pump from the fuel filter.
    3. Fig 8: Locating O-Ring And Claws
      G05773005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the fuel main valve from the fuel filter.
    5. Remove the 2 O-rings from the fuel main valve.
    6. Remove the O-ring and spacer from the fuel filter.
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.