LS400 1990-1997

Fuel Pump

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Removal & Installation




CAUTION
Do not smoke or work near an open flame when working on the fuel pump.

  1. Remove luggage compartment floor mat
  2.  
  3. Remove luggage compartment trim cover
  4.  
  5. Disconnect fuel pump connector
  6.  
  7. Remove seat cushion and back
  8.  
  9. Remove partition cover
    1. Using a scraper, pry out the partition cover.
    2.  

  10.  
  11. Remove fuel pump, bracket and set plate assembly
    1. Remove the 8 bolts, and disconnect the fuel pump set plate from the fuel tank.
    2.  
    3. Remove the 3 nuts, and disconnect the fuel pump bracket from the fuel tank.
    4.  
    5. Disconnect the fuel hose from the fuel pump bracket, and remove the fuel pump, bracket, set plate, assembly and gasket.
      NOTE
      At the time of installation, please refer to the following item. Use a new gasket.

    6.  

  12.  
  13. Remove pump set plate from fuel pump
    1. Remove the 2 nuts, 2 spring washers, and disconnect the 2 wires from the fuel pump.
    2.  
    3. Remove the fuel pump set plate.
    4.  
    5. Remove the screw, and disconnect the wire from the fuel pump earth clamp.
    6.  

  14.  
  15. Remove fuel pump from pump bracket
    1. Pull out the lower side of the fuel pump from the pump bracket.
    2.  
    3. Disconnect the fuel hose from the fuel pump, and remove the fuel pump.
    4.  
    5. Remove the rubber cushion from the fuel pump.
    6.  
    7. Remove the screw and fuel pump earth clamp.
    8.  

  16.  
  17. Remove fuel pump filter from fuel pump
    1. Remove the clip and pull out the filter.
      NOTE
      At the time of assembly, please refer to the following item. Use a new clip.



      Click image to see an enlarged view

      Fig. Fuel pump components (1 of 2)



      Click image to see an enlarged view

      Fig. Fuel pump components (2 of 2)

    2.  

  18.  

To install:


CAUTION
Do not smoke or work near an open flame when working on the fuel pump.


NOTE
At the time of assembly, please refer to the following item. Use a new clip.

  1. Install fuel pump filter from fuel pump
    1. Install the clip and pull out the filter.
    2.  

  2.  
  3. Install fuel pump from pump bracket
    1. Install the screw and fuel pump earth clamp.
    2.  
    3. Install the rubber cushion from the fuel pump.
    4.  
    5. Connect the fuel hose from the fuel pump, and remove the fuel pump.
    6.  
    7. Push in the lower side of the fuel pump to the pump bracket.
    8.  

  4.  
  5. Install pump set plate from fuel pump
    1. Install the screw, and connect the wire to the fuel pump earth clamp.
    2.  
    3. Install the fuel pump set plate.
    4.  
    5. Install the 2 nuts, 2 spring washers, and connect the 2 wires to the fuel pump.
      NOTE
      At the time of installation, please refer to the following item. Use a new gasket.

    6.  

  6.  
  7. Install fuel pump, bracket and set plate assembly
    1. Connect the fuel hose to the fuel pump bracket, and install the fuel pump, bracket, set plate, assembly and gasket.
    2.  
    3. Install the 3 nuts, and connect the fuel pump bracket from the fuel tank. Tighten the nuts to 48 inch lbs. (5.5 Nm).
    4.  
    5. Install the 8 bolts, and connect the fuel pump set plate from the fuel tank. Tighten the bolts to 26 inch lbs. (3.0 Nm).
    6.  

  8.  
  9. Install partition cover
    1. Push in the partition cover.
    2.  

  10.  
  11. Install seat cushion and back
  12.  
  13. Connect fuel pump connector
  14.  
  15. Install luggage compartment trim cover
  16.  
  17. Install luggage compartment floor mat
  18.  

 
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