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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel (4GR-FSE) >> FUEL PUMP (for High Pressure) >> Removal

FUEL PUMP (for High Pressure): Removal

  1. REMOVE COOL AIR INTAKE DUCT SEAL (See  REMOVAL  ) 
  2. REMOVE ENGINE ROOM SIDE COVER LH (See Step 2 in  REMOVAL  ) 
  3. REMOVE ENGINE ROOM SIDE COVER RH (See Step 3 in  REMOVAL  ) 
  4. REMOVE V-BANK COVER SUB-ASSEMBLY (See Step 4 in  REMOVAL  ) 
  5. REMOVE FRONT UPPER FENDER PROTECTOR LH (See Step 4 in  REMOVAL  ) 
  6. REMOVE FRONT UPPER FENDER PROTECTOR RH 

    HINT:

    Removal procedure of the RH side is the same as that of the LH side.

  7. REMOVE ROOF DRIP SIDE FINISH MOLDING LH (See  REMOVAL  ) 
  8. REMOVE ROOF DRIP SIDE FINISH MOLDING RH 

    HINT:

    Removal procedure of the RH side is the same as that of the LH side.

  9. REMOVE FRONT WIPER ARM HEAD CAP (See Step 8 in  REMOVAL  ) 
  10. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH (See Step 9 in  REMOVAL  ) 
  11. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH (See Step 10 in  REMOVAL  ) 
  12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (See Step 11 in  REMOVAL  ) 
  13. DISCHARGE FUEL SYSTEM PRESSURE 

    HINT:

    See PRECAUTION  .

  14. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  15. DRAIN ENGINE COOLANT (See Step 4 in  ON-VEHICLE INSPECTION  ) 
  16. DISCONNECT NO. 2 VENTILATION HOSE (See Step 5 in  REMOVAL  ) 
  17. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See Step 6 in  REMOVAL  ) 
  18. REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY (See  REMOVAL  ) 
  19. DISCONNECT COLD START INJECTOR (See Step 19 in  REMOVAL   ) 
  20. REMOVE INTAKE AIR SURGE TANK (See Step 20 in  REMOVAL   ) 
  21. REMOVE INTAKE MANIFOLD (See Step 21 in  REMOVAL   ) 
  22. DISCONNECT WATER HOSE JOINT (See Step 22 in  REMOVAL   ) 
  23. REMOVE FUEL PRESSURE PULSATION DAMPER (See Step 23 in  REMOVAL   ) 
  24. REMOVE NO. 1 FUEL PIPE (See Step 24 in  REMOVAL   ) 
  25. DISCONNECT NO. 2 FUEL PIPE 
    1. Disconnect the fuel high pressure side fuel pump connector.
    2. Fix the union bolt on the fuel pump side in place with a 21 mm wrench. Using a 19 mm union nut wrench, loosen the union and remove the fuel pipe.
      Fig 1: Disconnecting No. 2 Fuel Pipe
      G04044625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • There must be absolutely no free play in the union on the fuel pump side.
      • If the union on the fuel pump side has free play, replace the fuel pump.
    3. Remove the 2 bolts on the delivery pipe side.
      Fig 2: Removing Bolts From Delivery Pipe Side
      G04044626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not remove the fuel pipe from the delivery pipe. Only remove the 2 bolts.
      • If the No. 2 fuel pipe is accidentally removed, replace its O-ring, No. 1 backup ring and No. 2 backup ring.
  26. REMOVE FUEL PUMP ASSEMBLY 
    1. Disconnect the fuel hose.
    2. Remove the 2 nuts, fuel pump and fuel pump insulator.
    Fig 3: Removing Fuel Pump & Fuel Pump Insulator
    G04044627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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