Oil Pump Removal

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Lubrication. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCHARGE FUEL SYSTEM PRESSURE

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  3. DRAIN ENGINE OIL

  4. DRAIN ENGINE COOLANT

  5. DRAIN AUTOMATIC TRANSMISSION FLUID

  6. REMOVE ENGINE AND TRANSMISSION ASSEMBLY

  7. REMOVE ENGINE WIRE

  8. REMOVE OIL DIPSTICK SUB-ASSEMBLY

  9. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH

  10. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH

  11. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY

  12. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY

  13. REMOVE FRONT ENGINE MOUNTING INSULATOR

  14. FIX ENGINE ONTO ENGINE STAND

  15. REMOVE GENERATOR ASSEMBLY

  16. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

  17. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

  18. REMOVE WATER PUMP PULLEY

  19. REMOVE INJECTOR DRIVER

  20. REMOVE WATER INLET ASSEMBLY

  21. REMOVE CRANKSHAFT PULLEY

  22. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY

  23. REMOVE OIL PAN SUB-ASSEMBLY

  24. REMOVE OIL STRAINER SUB-ASSEMBLY

  25. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

  26. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

  27. REMOVE FUEL MAIN TUBE

  28. REMOVE HIGH PRESSURE SIDE FUEL PUMP

  29. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY

  30. REMOVE IGNITION COIL ASSEMBLY

  31. REMOVE NO. 1 OIL PIPE

  32. REMOVE NO. 2 OIL PIPE

  33. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY RH (for Bank 1)

  34. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH (for Bank 2)

  35. REMOVE TIMING CHAIN OR BELT COVER SUB-ASSEMBLY

Oil Pump -- Removal



1. DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
  1. Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.
  2. Even after discharging the fuel pressure, place a shop rag over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.
  1. Disconnect the cable from the negative (-) battery terminal.

    NOTICE:
    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Disconnect the fuel pump connector.

  1. Connect the cable to the negative (-) battery terminal.

  1. Start the engine. After the engine has stopped on its own, turn the engine switch off.

    HINT:
    DTC P0171/P0172 (system too lean) may be set.
  1. Crank the engine again, then check that the engine does not start.

  1. Loosen the fuel tank cap, then discharge the pressure in the fuel tank completely.

  1. Connect the fuel pump connector.



2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


3. DRAIN ENGINE OIL
  1. Remove the drain plug.



4. DRAIN ENGINE COOLANT
CAUTION:
Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
  1. Remove the radiator cap and reservoir cap.



  1. Loosen the radiator drain cock plug and 2 cylinder block drain cock plugs. Then drain the coolant.

    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal



5. DRAIN AUTOMATIC TRANSMISSION FLUID


  1. Add the automatic transmission fluid following the flow chart below.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal



  1. When adding the maximum amount of fluid: [*1]

    1. Lift up the vehicle.



    2. Lexus Gs430, Gs300. Uzs190 Grs190
    3. Remove the 2 bolts and transmission case cover.



    4. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    5. Remove the refill plug and overflow plug.



    6. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    7. Add ATF through the refill hole until it drains out from the overflow hole.

      NOTICE:
      Be sure to use ATF WS.


    8. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    9. Install a new gasket and the overflow plug.

      Torque:
      20 N*m{204 kgf*cm, 15 ft.*lbf}
    10. Add proper amount of ATF through the refill hole.

      NOTICE:
      Refill amount differs depending on the related procedures indicated below.
      Related procedures
      Refill amount
      Removal and installation of oil pan
      (Including the oil drain)
      1.1 liters (1.2 US qts, 1.0 lmp.qts)
      Removal of transmission valve body assembly
      2.5 liters (2.6 US qts, 2.2 lmp.qts)
      Removal of torque converter assembly
      4.2 liters (4.4 US qts, 3.7 lmp.qts)


    11. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    12. Install a new O-ring and the refill plug.

      Torque:
      39 N*m{400 kgf*cm, 53 ft.*lbf}
    13. Lower the vehicle.



    14. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    15. Using SST, create a short-circuit between terminals TC and CG of the DLC3.

      SST
      09843-18040
    16. Start the engine.

      NOTICE:
      1. Be sure to place the key inside the cabin in order to start the engine.
      2. Turn the A/C off.
    17. Slowly move the shift lever from the P to the S position, shift the gear from 1st to 6th and then return the shift lever to the P position.

    18. Switch to the fluid temperature detection mode.

      1. Move the shift lever from the N to the D position, or from D to N, within 1.5 seconds.
      2. Continue this procedure for 6 seconds or more.
      Standard:
      Meter indicator light "D" comes on for 2 seconds and then goes off.
    19. Return the shift lever to the P position and disconnect terminal TC after confirming the above condition.

    20. Idle the engine to raise fluid temperature.



    21. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    22. Lift up the vehicle immediately after meter indicator light "D" comes on.

      NOTICE:
      1. Add fluid only when the meter indicator light is on.
      2. Perform this procedure while the engine is idling.


    23. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    24. Remove the overflow plug. If ATF overflows, proceed to [*2].
      If ATF does not overflow, proceed to [*3].

      HINT:
      "Overflow" indicates the condition under which ATF drains out from the overflow tube.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. When fluid overflows: [*2]

    NOTICE:
    Capacity of the overflow tube is approximately 3 cc.

    1. Install a new gasket and the overflow plug when the draining ATF has become a trickle.

      Torque:
      20 N*m{204 kgf*cm, 15 ft.*lbf}
      NOTICE:
      Be careful when handling the drained ATF as it will be hot.
    2. Install a new O-ring and tighten the refill plug.

      Torque:
      39 N*m{400 kgf*cm, 29 ft.*lbf}


    3. Lexus Gs430, Gs300. Uzs190 Grs190
    4. Install the transmission case cover with the 2 bolts.

      Torque:
      5.4 N*m{55 kgf*cm, 48 in.*lbf}
    5. Lower the vehicle.

    6. Turn the engine switch off and remove the SST.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. When fluid does not overflow:[*3]

    1. Remove the refill plug.



    2. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    3. Add ATF through the refill hole until it drains out from the overflow hole.



    4. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    5. Install a new gasket and the overflow plug when the draining ATF has become a trickle.

      Torque:
      20 N*m{204 kgf*cm, 15 ft.*lbf}
    6. Install a new O-ring and tighten the refill plug.

      Torque:
      39 N*m{400 kgf*cm, 29 ft.*lbf}


    7. Lexus Gs430, Gs300. Uzs190 Grs190
    8. Install the transmission case cover with the 2 bolts.

      Torque:
      5.4 N*m{55 kgf*cm, 48 in.*lbf}
    9. Lower the vehicle.

    10. Turn the engine switch off and remove the SST.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. When adding a minimum amount of fluid: [*4]

    1. Using SST, create a short-circuit between terminals TC and CG of the DLC3.

      SST
      09843-18040
    2. Start the engine.

      NOTICE:
      1. Be sure to place the key inside the cabin in order to start the engine.
      2. Turn the A/C off.
    3. Slowly move the shift lever from the P to the S position, shift the gear from 1st to 6th and then return the shift lever to the P position.

    4. Switch to the fluid temperature detection mode.

      1. Move the shift lever from the N to the D position, or from D to N, within 1.5 seconds.
      2. Continue this procedure for 6 seconds or more.
      Standard:
      Meter indicator light "D" comes on for 2 seconds and then goes off.
    5. Return the shift lever to the P position and disconnect terminal TC after confirming the above condition.

    6. Idle the engine to raise fluid temperature.



    7. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    8. Lift up the vehicle immediately after meter indicator light "D" comes on.

      NOTICE:
      1. Add fluid only when the meter indicator light is on.
      2. Perform the procedure while the engine is idling.


    9. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    10. Remove the overflow plug. If ATF overflows, proceed to [*5]. If ATF does not overflow, proceed to [*6].

      HINT:
      "Overflow" indicates the condition under which ATF drains out from the overflow tube.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. When fluid overflows: [*5]

    1. Install a new gasket and the overflow plug when the draining ATF has become a trickle.

      Torque:
      20 N*m{204 kgf*cm, 15 ft.*lbf}
      NOTICE:
      Be careful when handling the drained ATF as it will be hot.


    2. Lexus Gs430, Gs300. Uzs190 Grs190
    3. Install the transmission case cover with the 2 bolts.

      Torque:
      5.4 N*m{55 kgf*cm, 48 in.*lbf}
    4. Lower the vehicle.

    5. Turn the engine switch off and remove the SST.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. When fluid does not overflow: [*6]

    1. Remove the refill plug.



    2. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    3. Add ATF through the refill hole until it drains out from the overflow hole.



    4. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
    5. Install a new gasket and the overflow plug when the draining ATF has become a trickle.

      Torque:
      20 N*m{204 kgf*cm, 15 ft.*lbf}
    6. Install a new O-ring and tighten the refill plug.

      Torque:
      39 N*m{400 kgf*cm, 29 ft.*lbf}


    7. Lexus Gs430, Gs300. Uzs190 Grs190
    8. Install the transmission case cover with the 2 bolts.

      Torque:
      5.4 N*m{55 kgf*cm, 48 in.*lbf}
    9. Lower the vehicle.

    10. Turn the engine switch off and remove the SST.



6. REMOVE ENGINE AND TRANSMISSION ASSEMBLY
  1. Remove the engine and transmission assembly (Click here).



7. REMOVE ENGINE WIRE
  1. Remove the engine wire.



8. REMOVE OIL DIPSTICK SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the oil level gauge.

  1. Remove the 2 bolts, then remove the No. 1 and No. 2 oil dipstick guide.

  1. Remove the O-ring from the oil dipstick guide.



9. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH
  1. Disconnect the heated oxygen sensor connector.

  1. Remove the 6 nuts, exhaust manifold and gasket.



10. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH
  1. Disconnect the heated oxygen sensor connector.

  1. Remove the 6 nuts, exhaust manifold and gasket.



11. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 9 bolts and automatic transmission assembly.



12. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Using SST, hold the crankshaft.

    SST
    09213-70011(09213-70020)
    09330-00021


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 8 bolts, front spacer, drive plate and rear spacer.



13. REMOVE FRONT ENGINE MOUNTING INSULATOR


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the 2 bolts, then remove the front suspension crossmember sub-assembly from the engine.



14. FIX ENGINE ONTO ENGINE STAND
  1. Fix the engine onto a engine stand with the bolts.



15. REMOVE GENERATOR ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Detach the clamp, and remove the bolt from the generator.

  1. Disconnect the generator connector.

  1. Detach the rubber cap, and then remove the nut and battery cable.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the nut, bolt and generator bracket.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts and generator.



16. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
  1. Remove the bolt, plate and idler pulley.



17. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 5 bolts, then remove the V-ribbed belt tensioner assembly.



18. REMOVE WATER PUMP PULLEY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Using SST, hold the water pump pulley.

    SST
    09960-10010(09962-01000,09963-00700)
  1. Remove the 4 bolts and water pump pulley.



19. REMOVE INJECTOR DRIVER


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the bolt, 2 nuts and injector driver.

    NOTICE:
    Be careful not to drop or strike the injector driver.


20. REMOVE WATER INLET ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 3 water by-pass hoses.

  1. Remove the 4 bolts, nut and water inlet.

  1. Remove the O-rings.



21. REMOVE CRANKSHAFT PULLEY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Using SST, loosen the crankshaft pulley bolt.

    SST
    09213-70011(09213-70020)
    09330-00021


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Using SST, remove the crankshaft pulley bolt and crankshaft pulley.

    SST
    09950-50013(09951-05010,09952-05010,09953-05020,09954-05021)


22. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the 15 bolts and 2 nuts.

  1. Insert the blade of SST between the oil pans. Cut through the applied sealer and remove the oil pan sub-assembly No. 2.

    SST
    09032-00100
    NOTICE:
    Be careful not to damage the contact surfaces of the oil pans.


23. REMOVE OIL PAN SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the 16 bolts and 2 nuts.

    HINT:
    Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the oil pan by prying between the oil pan and cylinder block with a screwdriver.

    NOTICE:
    Be careful not to damage the contact surfaces of the cylinder block and oil pan.
    HINT:
    Tape the screwdriver tip before use.
  1. Remove the 2 O-rings.



24. REMOVE OIL STRAINER SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the 3 nuts, oil strainer and gasket.



25. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
  1. Remove the 2 bolts and intake manifold stay.

  1. Remove the 4 bolts and 2 surge tank stays.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Using a 5 mm hexagon socket wrench, remove the 7 bolts, 2 nuts and gasket.

    HINT:
    Cover the intake manifold port to prevent foreign matter from entering it.


26. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Disconnect the fuel pipe hose.

  1. Remove the 2 bolts and fuel pipe.



27. REMOVE FUEL MAIN TUBE


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the fuel pipe clamp.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Pinch and pull the fuel tube's connector to disconnect it from the fuel main pipe.

    NOTICE:
    1. Check for foreign matter in the fuel tube around the fuel tube's connector. Clean it if necessary. Foreign matter can affect the O-ring's ability to seal the connector and fuel main pipe.
    2. Do not use any tools to separate the connector and pipe.
    3. Do not forcefully bend or twist the hose.
    4. Keep the connector and pipe free from foreign matter.
    5. If the connector and pipe are stuck together, pinch the connector and turn it carefully to disconnect it.

    6. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
      Put the connector in a plastic bag to prevent damage and contamination.


28. REMOVE HIGH PRESSURE SIDE FUEL PUMP


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Disconnect the fuel hose.

  1. Remove the 2 nuts, fuel pump and fuel pump insulator.



29. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY
  1. Remove the fuel pipe from the fuel delivery pipe.

    NOTICE:
    Pull and remove the fuel pipe in a straight line to avoid damage to the seal surface of the delivery pipe's O-ring.


30. REMOVE IGNITION COIL ASSEMBLY
  1. Remove the 6 bolts and 6 ignition coils.



31. REMOVE NO. 1 OIL PIPE


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the oil check valve bolt, oil pipe union and oil pipe.

  1. Remove the oil control valve filter LH and gaskets.



32. REMOVE NO. 2 OIL PIPE


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the oil check valve bolt, oil pipe union and oil pipe.

  1. Remove the oil control valve filter RH and gaskets.



33. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY RH (for Bank 1)


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 12 bolts, head cover and gasket.



34. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH (for Bank 2)


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 14 bolts, head cover and gasket.



35. REMOVE TIMING CHAIN OR BELT COVER SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the bolt and wiring harness clamp bracket.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 25 bolts and 2 nuts shown in the illustration.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Oil Pump  Removal
  1. Remove the timing chain cover by prying between the timing chain cover and cylinder head or cylinder block with a screwdriver.

    NOTICE:
    Be careful not to damage the contact surfaces of the cylinder head, cylinder block and timing chain cover.
    HINT:
    Tape the screwdriver tip before use.


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the gasket.