Question about 1992 Lexus Sc 300

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Where is the fuel pump located on a 92 Lexus SC300?

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Fuel Pump REMOVAL AND INSTALLATION ES300 CAUTION
Fuel injection systems remain under pressure even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

  1. Relieve the fuel system pressure.
  2. With the ignition switch in the LOCK position, disconnect the negative battery terminal. If equipped with an air bag system, wait at least 90 seconds or longer before performing any other work.
  3. Remove the rear seat cushion.
  4. Disconnect the fuel pump connector. CAUTION
    The Supplemental Inflatable Restraint (SIR) system must be disarmed before removing the fuel pump. Failure to do so may cause accidental deployment of the air bag, resulting in unnecessary SIR system repairs and/or personal injury.
  5. Remove the floor service hole cover. NOTE: Do not lift the fuel pump assembly up using the wire harness.
  6. Remove the fuel filler cap. Disconnect the fuel outlet pipe and the return hose from the pump bracket.
  7. Remove the 8 screws and lift out the pump/bracket assembly with gasket.
  8. Remove the fuel pump lead wire.
  9. Pull the lower end of the pump off of the bracket.
  10. Disconnect the fuel hose from the pump and remove the pump.
  11. Remove the rubber cushion from the pump. To install:
  12. Install the filter and rubber cushion on the new pump and install the pump on the bracket.
  13. Connect the fuel hose and the wire connector on the pump.
  14. Using a new gasket, install the pump and tighten the eight screws to 35 inch lbs. (4 Nm).
  15. Connect the fuel pipe and return hose to the pump and tighten the bolts to 22 ft. lbs. (29 Nm).
  16. Connect the wire, install the service cover and replace the rear seat.
  17. Connect the negative battery cable.
  18. Start the engine and check for leaks. Fig. 1: Fuel pump assembly - ES300 Where is the fuel pump located on a 92 Lexus - 294126.gif
GS300, LS400, SC300 and SC400
  1. Disconnect the negative battery cable. Wait at least 90 seconds before performing any other work.
  2. Remove the trunk floor mat.
  3. Remove the trunk trim cover.
  4. Disconnect the fuel pump electrical connector.
  5. Remove the rear seat bottom and seat back.
  6. Remove the partition cover.
  7. Remove the mounting bolts and remove the fuel pump set plate.
  8. Remove the three nuts and disconnect the fuel pump bracket from the tank.
  9. Disconnect the fuel hose from the bracket. Remove the pump, bracket and set plate as an assembly. To install:
  10. Install a new gasket on the set plate. Connect the fuel hose to the pump and bracket,
  11. Install the pump and bracket assembly with the three nuts; tighten the nuts to 48 inch lbs. (5 Nm). Install the set plate and tighten the bolts to 26 inch lbs. (3 Nm).
  12. Install the panel partition
  13. Install the rear seat cushion and back.
  14. Connect the fuel pump electrical connector.
  15. Install the trim panel.
  16. Install the spare tire and the trunk floor mat.
  17. Connect the negative battery cable.
  18. Start the engine; check the fuel system for leaks
  19. Road test the vehicle for proper operation.

Posted on Oct 13, 2010

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Posted on Jan 02, 2017

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