Engine Assembly Removal

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv 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 NO. 1 ENGINE COVER

  5. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

  6. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

  7. DISCONNECT NEGATIVE BATTERY TERMINAL

  8. REMOVE FRONT WHEELS

  9. REMOVE ENGINE UNDER COVER

  10. REMOVE NO. 2 ENGINE UNDER COVER

  11. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR

  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. REMOVE AIR DUCT (with Combustion Type Power Heater)

  23. REMOVE HEATER ASSEMBLY (with Combustion Type Power Heater)

  24. DISCONNECT UNION TO CHECK VALVE HOSE

  25. REMOVE WIRING HARNESS CLAMP BRACKET

  26. REMOVE NO. 2 EGR PIPE

  27. REMOVE NO. 1 WATER OUTLET PIPE

  28. REMOVE AIR PIPE SUB-ASSEMBLY

  29. DISCONNECT VACUUM TRANSMITTING HOSE

  30. DISCONNECT RESERVE TANK OUTLET HOSE

  31. DISCONNECT RADIATOR OUTLET HOSE

  32. DISCONNECT HEATER WATER INLET HOSE

  33. DISCONNECT HEATER WATER OUTLET HOSE

  34. DISCONNECT NO. 1 AIR HOSE

  35. DISCONNECT NO. 1 COOLER REFRIGERANT SUCTION HOSE

  36. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY

  37. REMOVE DIFFERENTIAL PRESSURE SENSOR ASSEMBLY

  38. DISCONNECT ENGINE WIRE

  39. DISCONNECT FUEL HOSE

  40. DISCONNECT NO. 3 FUEL HOSE

  41. DISCONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY

  42. DISCONNECT HEIGHT CONTROL SENSOR LINK

  43. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH

  44. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY RH

  45. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY LH

  46. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY RH

  47. DISCONNECT POWER STEERING LINK WIRE HARNESS (for LHD)

  48. REMOVE FLOOR SHIFT LEVER ASSEMBLY

  49. REMOVE ENGINE ASSEMBLY WITH TRANSMISSION

  50. INSTALL ENGINE HANGERS

  51. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY

  52. REMOVE STARTER ASSEMBLY

  53. SEPARATE CLUTCH ACCUMULATOR ASSEMBLY

  54. SEPARATE CLUTCH RELEASE CYLINDER ASSEMBLY

  55. REMOVE MANUAL TRANSAXLE ASSEMBLY

  56. REMOVE CLUTCH DISC ASSEMBLY

  57. REMOVE FLYWHEEL SUB-ASSEMBLY

  58. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

  59. INSTALL ENGINE STAND

  60. REMOVE ENGINE WIRE

  61. REMOVE V-RIBBED BELT

  62. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY

  63. REMOVE VACUUM REGULATING VALVE

  64. REMOVE VACUUM SWITCHING VALVE BRACKET

  65. REMOVE GENERATOR ASSEMBLY

  66. REMOVE IDLER PULLEY BRACKET

  67. REMOVE NO. 1 IDLER PULLEY SUB-ASSEMBLY

  68. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

  69. REMOVE ENGINE MOUNTING BRACKET LH

  70. REMOVE ENGINE MOUNTING BRACKET RH

  71. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY

  72. REMOVE NO. 1 COMPRESSOR STAY

  73. REMOVE TURBOCHARGER SUB-ASSEMBLY

  74. REMOVE EGR COOLER ASSEMBLY

  75. REMOVE EXHAUST MANIFOLD

  76. INSPECT EXHAUST MANIFOLD

  77. REMOVE EGR VALVE ASSEMBLY

  78. REMOVE VACUUM PUMP ASSEMBLY

  79. REMOVE COMMON RAIL ASSEMBLY

  80. REMOVE INJECTOR ASSEMBLY

  81. REMOVE GLOW PLUG ASSEMBLY

  82. REMOVE OIL LEVEL GAUGE GUIDE

  83. REMOVE DIESEL THROTTLE BODY ASSEMBLY

  84. REMOVE INTAKE MANIFOLD STAY

  85. REMOVE INTAKE MANIFOLD

  86. INSPECT INTAKE MANIFOLD

  87. REMOVE OIL COOLER ASSEMBLY

  88. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

  89. REMOVE NO. 3 WATER BY-PASS PIPE

  90. REMOVE NO. 1 TURBO OIL PIPE

  91. REMOVE NO. 1 OIL COOLER BRACKET

  92. REMOVE WATER INLET HOUSING

  93. REMOVE ENGINE OIL LEVEL SENSOR

  94. REMOVE FUEL SUPPLY PUMP ASSEMBLY

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
  1. Remove the 4 clips and side cover.



3. REMOVE ENGINE ROOM SIDE COVER RH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 clips and side cover.



4. REMOVE NO. 1 ENGINE COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 1 engine cover.



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. PLACE FRONT WHEELS FACING STRAIGHT AHEAD


7. DISCONNECT NEGATIVE BATTERY TERMINAL


8. REMOVE FRONT WHEELS


9. REMOVE ENGINE UNDER COVER


10. REMOVE NO. 2 ENGINE UNDER COVER


11. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR


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



12. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET


13. REMOVE ENGINE UNDER COVER REAR LH


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



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 oil pan drain plug and gasket, and drain the engine oil into a container.



16. 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.



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


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal

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


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 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the MAF meter connector.

  1. Disconnect the 2 clamps from the air cleaner.

  1. Disconnect the ventilation hose from the cylinder head.

  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 3 bolts, clamp and air cleaner case.



22. REMOVE AIR DUCT (with Combustion Type Power Heater)


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the clip, clamp, and air duct.



23. REMOVE HEATER ASSEMBLY (with Combustion Type Power Heater)


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Using pliers, grip the claws of the clip and slide the clip to disconnect the heater water inlet hose.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Using pliers, grip the claws of the clip and slide the clip to disconnect the heater water outlet hose.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Using pliers, grip the claws of the clip and slide the clip to disconnect the fuel hose.

  1. Disconnect the connector.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 4 bolts and heater assembly.



24. DISCONNECT UNION TO CHECK VALVE HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the union to the check valve hose.



25. REMOVE WIRING HARNESS CLAMP BRACKET


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the wiring harness clamp.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the 6 wire harness clamps (*1).

  1. Disconnect the EGR valve connector (*2).

  1. Disconnect the oil pressure switch assembly connector (*3).



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and wire harness clamp bracket.



26. REMOVE NO. 2 EGR PIPE


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 nuts, 2 bolts and No. 2 EGR pipe.



27. REMOVE NO. 1 WATER OUTLET PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the manifold absolute pressure sensor connector and vacuum hose.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the insulator.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the 2 water hoses.

  1. Remove the 3 bolts and No. 1 water outlet pipe.



28. REMOVE AIR PIPE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the 2 diesel throttle body connectors.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Loosen the 3 hose bands.

  1. Disconnect the intake air temperature sensor connector.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the bolt and air pipe sub-assembly.

  1. Disconnect the wire harness clamp.



29. DISCONNECT VACUUM TRANSMITTING HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the vacuum transmitting hose.



30. DISCONNECT RESERVE TANK OUTLET HOSE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the clamp and disconnect the reserve tank outlet hose.



31. DISCONNECT RADIATOR OUTLET HOSE


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



32. DISCONNECT HEATER WATER INLET HOSE


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



33. DISCONNECT HEATER WATER OUTLET HOSE
  1. Disconnect the heater water outlet hose.



34. DISCONNECT NO. 1 AIR HOSE


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



35. DISCONNECT 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.


36. DISCONNECT 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.


37. REMOVE DIFFERENTIAL PRESSURE SENSOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the differential pressure sensor connector and remove the nut.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the No. 1 vacuum transmitting hose and No. 2 vacuum transmitting hose.

  1. Remove the differential pressure sensor.



38. DISCONNECT ENGINE WIRE
  1. Remove the relay block cover.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the engine wire from the engine room junction block.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Raise the 2 levers while pushing the locks on the 2 levers, and disconnect the 2 ECM connectors.

    NOTICE:
    After disconnecting the connector, make sure that dirt, water and other foreign matter does not contact the connecting part of the connector.


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 nuts and disconnect the wire clamps from the engine room No. 1 junction block.



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



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect 3 injector connectors and the 2 wire harness clamps.



39. DISCONNECT FUEL HOSE


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



40. DISCONNECT NO. 3 FUEL HOSE
  1. Remove the clamp and disconnect the No. 3 fuel hose.



41. 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 Ale20.2Ad-Fhv 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 Ale20.2Ad-Fhv 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.



42. DISCONNECT HEIGHT CONTROL SENSOR LINK


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the nut and disconnect the height control sensor link.



43. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv 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.



44. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY RH
HINT:
Remove the RH side following the same procedure as for the LH side.


45. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY LH


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



46. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY RH
HINT:
Remove the RH side following the same procedure as for the LH side.


47. DISCONNECT POWER STEERING LINK WIRE HARNESS (for LHD)


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv 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.



48. REMOVE FLOOR SHIFT LEVER ASSEMBLY
HINT:
Click here.


49. REMOVE ENGINE ASSEMBLY WITH TRANSMISSION
  1. Set the engine lifter.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv 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 does not get caught on wiring or hoses when removing it.


50. INSTALL ENGINE HANGERS


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Install the 2 engine hangers with the 2 bolts.

    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}
    Part name
    Part No.
    No. 1 engine hanger
    12281-26040
    No. 2 engine hanger
    12282-26010
    Bolt
    91552-81025
    NOTICE:
    Use new bolts for the engine hangers.


51. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY
Click here.


52. REMOVE STARTER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the 2 wire harness clamps from the wire harness clamp bracket.

  1. Remove the bolt and wire harness clamp bracket.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the terminal 50 connector from the starter assembly.

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

  1. Remove the bolt, nut and starter assembly.



53. SEPARATE CLUTCH ACCUMULATOR ASSEMBLY
(Click here)


54. SEPARATE CLUTCH RELEASE CYLINDER ASSEMBLY
(Click here)


55. REMOVE MANUAL TRANSAXLE ASSEMBLY
HINT:
Click here.


56. REMOVE CLUTCH DISC ASSEMBLY
HINT:
Click here.


57. REMOVE FLYWHEEL SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Hold the crankshaft with SST.

    SST
    09213-58013
    09330-00021


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



58. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY


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



59. INSTALL ENGINE STAND
  1. Fix the engine onto a engine stand with the bolts.



60. REMOVE ENGINE WIRE
  1. Remove the engine wire from the engine assembly.



61. REMOVE V-RIBBED BELT


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

  1. While turning the belt tensioner counterclockwise, align its holes, and then insert a 5 mm (0.20 in.) bar into the holes to hold the belt tensioner.



62. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Pinch the clip as illustrated, and then pull out the vacuum switching valve connector (*1).

  1. Disconnect the 2 vacuum hoses (*2).

  1. Using a hexagon socket wrench, remove the 2 bolts and No. 1 vacuum switching valve assembly (*3).



63. REMOVE VACUUM REGULATING VALVE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the 2 vacuum hoses.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the vacuum regulating valve assembly connector.

  1. Remove the 2 bolts, and then remove the vacuum regulating valve assembly.



64. REMOVE VACUUM SWITCHING VALVE BRACKET
  1. Remove the 4 bolts and vacuum switching valve bracket.



65. REMOVE GENERATOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the generator connector.

  1. Remove the bolt and disconnect the wire harness clamp bracket.

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

  1. Disconnect the clamp from the clamp bracket.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 3 bolts (A) and generator assembly.

  1. Remove the bolt (B) and clamp bracket from the generator assembly.



66. REMOVE IDLER PULLEY BRACKET


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts, 2 nuts and idler pulley bracket.



67. REMOVE NO. 1 IDLER PULLEY SUB-ASSEMBLY
  1. Using a screwdriver, remove the idler pulley cover plate.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and idler pulley sub-assembly.



68. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 3 bolts and tensioner assembly.

    NOTICE:
    Be careful not to deform the bolt head.


69. REMOVE ENGINE MOUNTING BRACKET LH


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



70. REMOVE ENGINE MOUNTING BRACKET RH


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



71. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY


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

  1. Remove the 3 bolts and nut.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a "Torx" socket wrench (E8), remove the stud bolt and the compressor assembly with pulley.



72. REMOVE NO. 1 COMPRESSOR STAY
  1. Remove the No. 1 compressor stay from the engine block.



73. REMOVE TURBOCHARGER SUB-ASSEMBLY
HINT:
Click here.


74. REMOVE EGR COOLER ASSEMBLY
HINT:
Click here.


75. REMOVE EXHAUST MANIFOLD


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and exhaust manifold heat insulator.

  1. Remove the 8 nuts, 8 collars, exhaust manifold and gasket.



76. INSPECT EXHAUST MANIFOLD


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

    Maximum warpage:
    0.2 mm (0.0079 in.)
    If the warpage is greater than the maximum, replace the exhaust manifold.


77. REMOVE EGR VALVE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 bolts, EGR valve assembly and gasket.



78. REMOVE VACUUM PUMP ASSEMBLY
HINT:
Click here.


79. REMOVE COMMON RAIL ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Disconnect the fuel pressure sensor connector (*1).

  1. Disconnect the fuel hose.

  1. Disconnect the pressure discharge valve connector (*2).



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and the common rail assembly.



80. REMOVE INJECTOR ASSEMBLY
HINT:
Click here.


81. REMOVE GLOW PLUG ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 5 grommets.

  1. Remove the 5 nuts and the glow plug connector.

  1. Remove the 4 glow plugs.



82. REMOVE OIL LEVEL GAUGE GUIDE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 3 bolts and oil level gauge.

  1. Remove the O-ring from the oil level gauge.



83. REMOVE DIESEL THROTTLE BODY ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Engine Mechanical.Engine.Engine Assembly  Removal
  1. Remove the 2 nuts and 2 bolts, and then remove the diesel throttle body and gasket.



84. REMOVE INTAKE MANIFOLD STAY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts and intake manifold stay.



85. REMOVE INTAKE MANIFOLD


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 7 bolts and 2 nuts, and then remove the intake manifold and the gasket.



86. INSPECT INTAKE MANIFOLD


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

    Maximum warpage:
    0.1 mm (0.0039 in.)
    If the warpage is greater than the maximum, replace the intake manifold.


87. REMOVE OIL COOLER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the oil cooler hose.

  1. Remove the 5 bolts, 3 O-rings and oil cooler assembly.



88. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the engine coolant temperature sensor.



89. REMOVE NO. 3 WATER BY-PASS PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts, O-ring and No. 3 water by-pass pipe.



90. REMOVE NO. 1 TURBO OIL PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 union bolts, 2 gaskets and oil pipe.



91. REMOVE NO. 1 OIL COOLER BRACKET


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 6 bolts and nut, and then remove the oil cooler bracket and the 3 O-rings.



92. REMOVE WATER INLET HOUSING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts, O-ring and No. 2 water by-pass pipe.

  1. Disconnect the hose.

  1. Remove the 3 nuts, gasket and water inlet housing.



93. REMOVE ENGINE OIL LEVEL SENSOR


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



94. REMOVE FUEL SUPPLY PUMP ASSEMBLY
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