LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel System (Service Information) >> Fuel Pump >> Reassembly >> Reassembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump: Reassembly: Reassembly

  1. INSTALL FUEL PUMP ASSEMBLY 
    1. Apply gasoline to a new O-ring. Then install the O-ring and fuel pump spacer to the fuel pump assembly.
      Fig 1: Identifying O-Ring And Fuel Pump Spacer
      GTY134426Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engage the 5 claws on the fuel filter and install the fuel pump assembly to the pump filter.
      Fig 2: Installing Fuel Pump With Pump Filter
      GTY103136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Make sure that the O-ring is not cut or pinched during the installation.
      • Attach the claws securely.
  2. INSTALL NO. 1 FUEL SUCTION SUPPORT 
    1. Install the No. 1 fuel suction support to the fuel filter.
      Fig 3: Installing Fuel Suction Support
      GTY148912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL FUEL PUMP HARNESS 
    1. Connect the fuel pump connector to the fuel pump assembly.
      Fig 4: Identifying Fuel Pump Connector
      GTY122234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. TEMPORARILY INSTALL JET PUMP 
    1. Apply gasoline to a new O-ring and install it to the jet pump.
      Fig 5: Removing O-Ring From Jet Pump
      GTY103821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install the jet pump to the No. 1 fuel sub-tank.
  5. INSTALL FUEL FILTER 
    1. Temporarily install fuel filter.
      Fig 6: Identifying Fuel Filter & Tube
      GTY144114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      When temporarily installing the fuel filter, pass the tube under the protrusion at the top of the fuel filter as shown in the illustration.

    2. Install the fuel filter to the No. 1 fuel sub-tank and attach the 2 claws.
      Fig 7: Installing Fuel Filter
      GTY120898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the jet pump to the No. 1 fuel sub-tank as shown in the illustration.
  6. INSTALL FUEL SUCTION PLATE SUB-ASSEMBLY 
    1. Install the spring to the fuel suction plate sub-assembly shaft.
    2. Install the fuel suction plate sub-assembly to the No. 1 fuel sub-tank.
    3. Install a new E-ring.
      Fig 8: Identifying E-Ring
      GTY129015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the fuel pump connector to the fuel suction plate sub-assembly.
      Fig 9: Identifying Fuel Pump Connector
      GTY127959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL FUEL SENDER GAUGE ASSEMBLY 
    1. Set the fuel sender gauge assembly to the No. 1 fuel sub-tank. Then slide the sender gauge assembly downward to install it.
      Fig 10: Installing Fuel Sender Gauge Assembly
      GTY128216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the fuel sender gauge assembly connector to the fuel suction plate sub-assembly.
      NOTE:

      Do not touch the sender resistance plate or contact area.