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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Fuel) >> FUEL PUMP (for High Pressure) >> Removal

FUEL PUMP (for High Pressure): Removal

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECAUTION 
    CAUTION:
    • Do not smoke or work near an open flame when handling the fuel system.
    • Keep gasoline away from rubber or leather parts.
    • Do not allow fuel to spray when removing the pipe between the high pressure side fuel pump assembly and the fuel injector assembly. The fuel in the pipe is highly pressurized.
  2. DISCHARGE FUEL SYSTEM PRESSURE 
    1. Discharge fuel system pressure (See FUEL SYSTEM )
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  4. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY (for Direct Injection) 
    1. Remove the 2 fuel pressure pulsation damper assemblies and No 1 fuel pipe sub-assembly (See REMOVAL ).
  5. REMOVE ENGINE COVER SUB-ASSEMBLY (for Bank 1) 
    1. Detach the 5 claws and remove the engine cover sub-assembly LH and RH from the fuel pump assembly.
      2. Fig 1: Identifying Engine Covers
      G05750089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE ENGINE COVER SUB-ASSEMBLY (for Bank 2) 

    HINT

    Use the same procedure as for the bank 1 side

  7. REMOVE NO. 3 FUEL PIPE SUB-ASSEMBLY 
    1. Remove the high pressure side fuel pump assembly connector
    2. Secure the union bolt on the fuel pump assembly side in place with a 21 mm wrench. Using a 19 mm union nut wrench, loosen the union nut and disconnect the fuel pipe from the fuel pump assembly
      NOTE: Do not loosen the union bolt on the fuel pump side. If the union bolt is accidentally loosened, replace the fuel pump assembly.
      Fig 2: Loosening Union Nut
      G05750090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts on the delivery pipe side and remove the No 3 fuel pipe sub-assembly.
      4. Fig 3: Locating Union Bolts On Fuel Pump Assembly
      G05750091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY 
    1. Remove the high pressure side fuel pump assembly connector.
    2. Secure the union bolt on the fuel pump assembly side in place with a 21 mm wrench Using a 19 mm union nut wrench, loosen the union nut and disconnect the fuel pipe from the fuel pump assembly.
      NOTE: Do not loosen the union bolt on the fuel pump side. If the union bolt is accidentally loosened, replace the fuel pump assembly.

      HINT:

      Use the same procedure as for the bank 1 side

    3. Remove the 2 bolts on the delivery pipe side and separate the No 2 fuel pipe sub-assembly.
      Fig 4: Locating Bolts On Fuel Pipe
      G05750092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the bolt and No 2 fuel pipe sub-assembly
      5. Fig 5: Locating Fuel Pipe Bolts
      G05750093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FUEL PUMP ASSEMBLY (for Bank 1) 
    1. Disconnect the fuel hose from the fuel pump assembly
      Fig 6: Locating Fuel Hose
      G05750094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts, fuel pump assembly and fuel pump insulator
    Fig 7: Locating Fuel Pump Assembly Bolts
    G05638337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FUEL PUMP ASSEMBLY (for Bank 2) 

    HINT

    Use the same procedure as for the bank 1 side

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