Engine Assembly Removal

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Engine Mechanical. Lexus Is250, Is220D. Gse20 Ale20

  1. REMOVE COOL AIR INTAKE DUCT SEAL

  2. REMOVE ENGINE ROOM SIDE COVER LH

  3. REMOVE ENGINE ROOM SIDE COVER RH

  4. REMOVE V-BANK COVER SUB-ASSEMBLY

  5. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

  6. DISCHARGE FUEL SYSTEM PRESSURE

  7. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

  8. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  9. REMOVE FRONT WHEEL

  10. REMOVE ENGINE UNDER COVER

  11. REMOVE NO. 2 ENGINE UNDER COVER

  12. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET

  13. REMOVE ENGINE UNDER COVER REAR LH

  14. REMOVE ENGINE UNDER COVER REAR RH

  15. DRAIN ENGINE OIL

  16. DRAIN ENGINE COOLANT

  17. REMOVE FRONT EXHAUST PIPE ASSEMBLY

  18. REMOVE PROPELLER SHAFT ASSEMBLY WITH CENTER BEARING

  19. REMOVE NO. 1 INLET AIR CLEANER

  20. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

  21. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

  22. DISCONNECT UNION TO CHECK VALVE HOSE

  23. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE

  24. DISCONNECT INLET RADIATOR HOSE

  25. DISCONNECT OUTLET RADIATOR HOSE

  26. DISCONNECT RADIATOR RESERVOIR TANK HOSE

  27. DISCONNECT INLET HEATER WATER HOSE

  28. DISCONNECT OUTLET HEATER WATER HOSE

  29. REMOVE NO. 1 COOLER REFRIGERANT SUCTION HOSE

  30. REMOVE DISCHARGE HOSE SUB-ASSEMBLY

  31. REMOVE ECM COVER

  32. DISCONNECT ENGINE WIRE

  33. DISCONNECT FUEL MAIN TUBE

  34. DISCONNECT NO. 3 FUEL HOSE

  35. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR

  36. DISCONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY

  37. DISCONNECT HEIGHT CONTROL SENSOR LINK

  38. REMOVE FRONT SHOCK ABSORBER ASSEMBLY LH

  39. REMOVE FRONT SHOCK ABSORBER ASSEMBLY RH

  40. REMOVE FRONT LOWER BALL JOINT ASSEMBLY LH

  41. REMOVE FRONT LOWER BALL JOINT ASSEMBLY RH

  42. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSEMBLY (for Automatic Transmission)

  43. DISCONNECT POWER STEERING LINK WIRE HARNESS

  44. DISCONNECT FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY

  45. REMOVE ENGINE AND TRANSMISSION ASSEMBLY

  46. INSTALL ENGINE HANGERS

  47. REMOVE STARTER ASSEMBLY

  48. REMOVE MANUAL TRANSMISSION ASSEMBLY (for Manual Transmission)

  49. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for Automatic Transmission)

  50. REMOVE OIL DIPSTICK GUIDE SUB-ASSEMBLY

  51. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH

  52. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY LH

  53. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH

  54. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY RH

  55. REMOVE FLYWHEEL SUB-ASSEMBLY (for Manual Transmission)

  56. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY (for Automatic Transmission)

  57. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

  58. FIX ENGINE ON ENGINE STAND

  59. REMOVE V-RIBBED BELT

  60. REMOVE NO. 2 ENGINE COVER

  61. REMOVE NO. 1 ENGINE COVER

  62. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

  63. REMOVE GENERATOR ASSEMBLY

  64. REMOVE COOLER COMPRESSOR ASSEMBLY

  65. REMOVE ENGINE MOUNTING BRACKET LH

  66. REMOVE ENGINE MOUNTING BRACKET RH

  67. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

  68. REMOVE WATER PUMP PULLEY

  69. REMOVE ENGINE WIRE

  70. REMOVE INJECTOR DRIVER

  71. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

  72. INSPECT INTAKE AIR SURGE TANK ASSEMBLY

  73. REMOVE NO. 2 SURGE TANK STAY

  74. REMOVE WATER HOSE JOINT

  75. REMOVE INTAKE MANIFOLD

  76. INSPECT INTAKE MANIFOLD

  77. REMOVE FUEL PUMP

  78. REMOVE FUEL INJECTOR ASSEMBLY

  79. REMOVE KNOCK SENSOR

  80. REMOVE RADIO SETTING CONDENSER

  81. REMOVE V-BANK COVER BRACKET SUB-ASSEMBLY

  82. REMOVE IGNITION COIL ASSEMBLY

  83. REMOVE ENGINE OIL LEVEL SENSOR

  84. REMOVE OIL PRESSURE SWITCH ASSEMBLY

  85. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

Engine Assembly -- Removal



1. REMOVE COOL AIR INTAKE DUCT SEAL


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 11 clips and intake duct seal.



2. REMOVE ENGINE ROOM SIDE COVER LH


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 5 clips and side cover.



3. REMOVE ENGINE ROOM SIDE COVER RH


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 clips and side cover.



4. REMOVE V-BANK COVER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Raise the V-bank cover to disengage the clip on the rear of the cover. Raise the cover again to disengage the 2 clips on the front of the cover and remove the cover.

    NOTICE:
    Attempting to disengage both front and rear clips at the same time may cause the cover to break.


5. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
  1. Start up the engine.

  1. Turn the A/C switch on.

  1. Operate the cooler compressor at an engine rpm of approximately 1,000 for 5 to 6 minutes to circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.

  1. Stop the engine.

  1. Using SST, let the refrigerant gas out.

    SST
    07110-58060(07117-58060,07117-58070,07117-58080,07117-58090,07117-78050,07117-88060,07117-88070,07117-88080)


6. DISCHARGE FUEL SYSTEM PRESSURE
HINT:
Click here.


7. PLACE FRONT WHEELS FACING STRAIGHT AHEAD


8. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


9. REMOVE FRONT WHEEL


10. REMOVE ENGINE UNDER COVER


11. REMOVE NO. 2 ENGINE UNDER COVER


12. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and engine under cover air guide bracket.



13. REMOVE ENGINE UNDER COVER REAR LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and engine under cover LH.



14. REMOVE ENGINE UNDER COVER REAR RH
HINT:
Remove the RH side following the same procedures as with the LH side.


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

  1. Install a new gasket and the drain plug.

    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}


16. DRAIN ENGINE COOLANT
NOTICE:
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 tank 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 Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal



17. REMOVE FRONT EXHAUST PIPE ASSEMBLY
HINT:
Click here.


18. REMOVE PROPELLER SHAFT ASSEMBLY WITH CENTER BEARING
HINT:
Click here.


19. REMOVE NO. 1 INLET AIR CLEANER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, clip and inlet air cleaner.



20. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the MAF meter connector.

  1. Disconnect the clamp from the air cleaner.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the VSV hose.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the 4 clamps.

  1. Remove the hose clamp and air cleaner cap with air cleaner hose.



21. REMOVE AIR CLEANER CASE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts, clamp and air cleaner case.



22. DISCONNECT UNION TO CHECK VALVE HOSE
  1. Remove the clamp and disconnect the union to check valve hose.



23. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the No. 2 fuel vapor feed hose.



24. DISCONNECT INLET RADIATOR HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the inlet radiator hose.



25. DISCONNECT OUTLET RADIATOR HOSE
  1. Remove the clamp and disconnect the outlet radiator hose.



26. DISCONNECT RADIATOR RESERVOIR TANK HOSE
  1. Remove the clamp and disconnect the radiator reservoir tank hose.



27. DISCONNECT INLET HEATER WATER HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the inlet heater water hose.



28. DISCONNECT OUTLET HEATER WATER HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the outlet heater water hose.



29. REMOVE NO. 1 COOLER REFRIGERANT SUCTION HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and disconnect the No. 1 cooler refrigerant suction hose from the compressor.

  1. Remove the O-ring from the cooler refrigerant suction hose.

    NOTICE:
    Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.


30. REMOVE DISCHARGE HOSE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and disconnect the discharge hose from the compressor.

  1. Remove the O-ring from the discharge hose sub-assembly.

    NOTICE:
    Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.


31. REMOVE ECM COVER


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 3 bolts and ECM cover.

    NOTICE:
    1. Remove all water from on and around the ECM cover.
    2. Perform the inspection indoors to avoid rain.
    3. Be sure to prevent water intrusion to the ECM (connectors and screw parts).


32. DISCONNECT ENGINE WIRE
  1. Disconnect the 6 ECM connectors.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver, disconnect the connector holder.

  1. Remove the engine room No. 1 relay block cover.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the nut and disconnect the wire from the engine room No. 1 junction block.

  1. Remove the nut and disconnect the battery positive (+) cable.

  1. Disconnect the connector and remove the 4 clamps from body.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, clamp and engine wire No. 3.

  1. Remove the bolt and disconnect the ground cable.



33. DISCONNECT FUEL MAIN TUBE
HINT:
Click here.


34. DISCONNECT NO. 3 FUEL HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the No. 3 fuel hose.



35. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 bolts and suspension member protector.



36. DISCONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Fix the steering wheel with the seat belt in order to prevent rotation.

    HINT:
    This operation is useful to prevent damage to the spiral cable.


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Loosen bolt (A) and remove bolt (B), then slide the steering sliding yoke sub-assembly.

    NOTICE:
    1. Do not remove bolt (A).
    2. Do not separate the steering sliding yoke sub-assembly from the power steering gear assembly.


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Put matchmarks on the steering sliding yoke sub-assembly and the power steering gear assembly.

  1. Separate the steering sliding yoke sub-assembly from the power steering gear assembly.



37. DISCONNECT HEIGHT CONTROL SENSOR LINK


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the nut and disconnect the height control sensor link.



38. REMOVE FRONT SHOCK ABSORBER ASSEMBLY LH


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Loosen the bolt while holding the nut. Separate the lower part of the front shock absorber from the front suspension lower arm.



39. REMOVE FRONT SHOCK ABSORBER ASSEMBLY RH
HINT:
Remove the RH side following the same procedures as for the LH side.


40. REMOVE FRONT LOWER BALL JOINT ASSEMBLY LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts from the front lower ball joint.



41. REMOVE FRONT LOWER BALL JOINT ASSEMBLY RH
HINT:
Remove the RH side following the same procedures as for the LH side.


42. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSEMBLY (for Automatic Transmission)


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 bolts and exhaust pipe No. 1 support bracket sub-assembly.



43. DISCONNECT POWER STEERING LINK WIRE HARNESS


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the bolt (A) to disconnect the earth wire from the bracket.

  1. Remove the 2 clamps to disconnect the wire harness from the bracket.

  1. Disconnect the 2 connectors (C) and (D) from the power steering link assembly.

  1. Release the lock of connector (E) and disconnect the connector from the power steering link assembly.

  1. Remove the bolt (B) and the power steering earth wire from the power steering link assembly.



44. DISCONNECT FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY
  1. Set the shift lever to the neutral position.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the nut, and separate the floor shift gear shifting rod sub-assembly.



45. REMOVE ENGINE AND TRANSMISSION ASSEMBLY
  1. Set the engine lifter.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 4 bolts, then separate the engine rear mounting member.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 12 bolts shown in the illustration.

  1. Operate the engine lifter, then slowly remove the engine from the vehicle.

    NOTICE:
    Make sure that the engine is clear of all wiring and hoses.


46. INSTALL ENGINE HANGERS


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the No. 1 and No. 2 or No. 3 engine hangers with the 4 bolts as shown in the illustration.

    Torque:
    33 N*m{336 kgf*cm, 24 ft.*lbf}
    Part No.:
    No. 1 engine hanger
    12281 - 31070
    No. 2 engine hanger
    12282 - 31050
    Bolts
    91671 - 10825
  1. Attach an engine sling device and hang the engine with a chain block.



47. REMOVE STARTER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the terminal 50 connector from the starter assembly.

  1. Detach the terminal cap.

  1. Remove the nut and disconnect the wire harness from terminal 30.

  1. Remove the 2 bolts and starter.



48. REMOVE MANUAL TRANSMISSION ASSEMBLY (for Manual Transmission)
HINT:
Click here.


49. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for Automatic Transmission)
HINT:
Click here.


50. REMOVE OIL DIPSTICK GUIDE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the oil level gauge.

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

  1. Remove the O-ring from the No. 2 oil dipstick guide.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and clamp, then remove the No. 1 oil dipstick guide.

  1. Remove the O-ring from the No. 1 oil dipstick guide.



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



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 6 nuts, exhaust manifold and gasket.



52. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a precision straightedge and feeler gauge, measure the warpage on the contact surface of the cylinder head.

    Maximum warpage:
    0.7 mm (0.028 in.)
    HINT:
    The maximum allowable warpage of each installation surface is 0.3 mm (0.012 in.).
    If the warpage is greater than the maximum, replace the manifold.


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



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 6 nuts, exhaust manifold and gasket.



54. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY RH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a precision straightedge and feeler gauge, measure the warpage on the contact surface of the cylinder head.

    Maximum warpage:
    0.7 mm (0.028 in.)
    HINT:
    The maximum allowable warpage of each installation surface is 0.3 mm (0.012 in.).
    If the warpage is greater than the maximum, replace the manifold.


55. REMOVE FLYWHEEL SUB-ASSEMBLY (for Manual Transmission)


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Using SST, hold the crankshaft.

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


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 8 bolts and the flywheel.



56. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY (for Automatic Transmission)


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Using SST, hold the crankshaft.

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


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 8 bolts, front spacer, drive plate and rear spacer.



57. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 bolts, then separate the front suspension crossmember sub-assembly from the engine.



58. FIX ENGINE ON ENGINE STAND
  1. Fix the engine onto a engine stand with the bolts.



59. REMOVE V-RIBBED BELT


    Lexus Is250, Is220D. Gse20 Ale20
  1. While releasing the belt tension by turning the belt tensioner counterclockwise, and remove the V-ribbed belt from the belt tensioner.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. While turning the belt tensioner counterclockwise, align with its holes, and then insert the 5 mm bi-hexagon wrench into the holes to fix the belt tensioner.



60. REMOVE NO. 2 ENGINE COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 3 clips and clamp, then remove the No. 2 engine cover.



61. REMOVE NO. 1 ENGINE COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 3 clips, then remove the No. 1 engine cover.



62. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, plate and idler pulley.



63. REMOVE GENERATOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the terminal cap.

  1. Remove the nut (A) and disconnect the wire harness from terminal B.

  1. Remove the bolt (B) and clamp bracket.

  1. Disconnect the generator connector, and detach the 2 clamps.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the nut, and disconnect the generator bracket.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and generator.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and 2 generator brackets.



64. REMOVE COOLER COMPRESSOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the magnetic clutch connector.

  1. Remove the 3 bolts and nut.

  1. Remove the compressor and magnetic clutch.



65. REMOVE ENGINE MOUNTING BRACKET LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the 2 clamps.

  1. Remove the 4 bolts and mounting bracket.



66. REMOVE ENGINE MOUNTING BRACKET RH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 bolts and mounting bracket.



67. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 5 bolts, then remove the V-ribbed belt tensioner assembly.)



68. REMOVE WATER PUMP PULLEY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  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.



69. REMOVE ENGINE WIRE
  1. Remove the engine wire from the engine.



70. REMOVE INJECTOR DRIVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, 2 nuts and injector driver.



71. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
HINT:
Click here.


72. INSPECT INTAKE AIR SURGE TANK ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a precision straightedge and feeler gauge, measure the warpage on the contact surface of the cylinder head.

    Maximum warpage:
    2.5 mm (0.098 in.)
    If the warpage is greater than the maximum, replace the surge tank.


73. REMOVE NO. 2 SURGE TANK STAY
  1. Remove the bolt and No. 2 surge tank stay.



74. REMOVE WATER HOSE JOINT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, and disconnect 2 hoses and water hose joint.



75. REMOVE INTAKE MANIFOLD
  1. Disconnect the connector for the SCV.

  1. Disconnect the SCV position sensor connector.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 4 bolts, 4 nuts, intake manifold and gasket.



76. INSPECT INTAKE MANIFOLD


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Surge tank side:

    1. Using a precision straightedge and feeler gauge, measure the surface contacting the cylinder head for warpage.

      Maximum warpage:
      0.1 mm (0.003 in.)
      If the warpage is greater than the maximum, replace the intake manifold.
  1. Cylinder head side:

    1. Using a precision straightedge and feeler gauge, measure the surface contacting the cylinder head for warpage.

      Maximum warpage:
      0.1 mm (0.003 in.)
      If the warpage is greater than the maximum, replace the intake manifold.


77. REMOVE FUEL PUMP
HINT:
Click here.


78. REMOVE FUEL INJECTOR ASSEMBLY
HINT:
Click here.


79. REMOVE KNOCK SENSOR


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the 2 knock sensor connectors.

  1. Remove the 2 bolts and 2 knock sensors.



80. REMOVE RADIO SETTING CONDENSER


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 bolts and 2 radio setting condensers.



81. REMOVE V-BANK COVER BRACKET SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and V-bank cover bracket.



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



83. REMOVE ENGINE OIL LEVEL SENSOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 bolts, then remove the oil level sensor and gasket.



84. REMOVE OIL PRESSURE SWITCH ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a 24 mm deep socket wrench, remove the oil pressure switch.



85. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a 19 mm deep socket wrench, remove the temperature sensor.