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Home >> Lexus >> 2019 >> RX 350L FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (3 Of 3) >> Engine Assembly >> Removal [12/2017 - 08/2019] >> Procedure

Removal [12/2017 - 08/2019]: Procedure

  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1

  2. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [12/2017 - ]

  3. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [12/2017 - 08/2019]

  4. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  5. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 

    Refer to ADJUSTMENT [12/2017 - 08/2019]

  6. SECURE STEERING WHEEL 

    Refer to PROCEDURE - Step 2

  7. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 
    1. Remove the 2 screws and front wheel opening extension pad LH from the No. 3 engine under cover.
  8. REMOVE NO. 3 ENGINE UNDER COVER 
    1. Remove the 5 bolts, 4 screws, 2 clips and No. 3 engine under cover from the vehicle body.
  9. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 
    1. Remove the 2 screws and front wheel opening extension pad RH from the No. 1 engine under cover.
  10. REMOVE NO. 1 ENGINE UNDER COVER 
    1. Remove the 3 bolts, 4 screws, clip and No. 1 engine under cover from the vehicle body.
  11. REMOVE NO. 2 ENGINE UNDER COVER 
    1. Remove the 2 bolts, 2 screws, clip and No. 2 engine under cover from the front frame assembly.
  12. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 5

  13. REMOVE FRONT FENDER APRON SEAL LH 
    1. Remove the 2 bolts, clip and front fender apron seal LH from the vehicle body.
  14. REMOVE FRONT FENDER APRON SEAL RH 
    1. Remove the 2 bolts, clip and front fender apron seal RH from the vehicle body.
  15. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1

  16. DRAIN ENGINE OIL 

    Refer to PROCEDURE - Step 1

  17. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1

  18. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 2

  19. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 2

  20. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 
    1. Remove the air cleaner filter element sub-assembly from the air cleaner case sub-assembly.
      GTY671761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 
    1. Remove the 2 bolts and air cleaner case sub-assembly from the engine mounting insulator LH and air cleaner bracket.
      GTY685570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE AIR CLEANER BRACKET 
    1. Disengage the clamp.
      GTY671760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and air cleaner bracket from the engine mounting insulator LH.
  23. REMOVE V-BANK COVER SUB-ASSEMBLY 
    1. GTY685577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Hold the rear of the V-bank cover sub-assembly and raise it to disengage the 2 rear clips.

    2. Raise the V-bank cover sub-assembly to disengage the 2 front clips and remove the V-bank cover sub-assembly.
      NOTE:

      Attempting to disengage both front and rear clips at the same time may cause the V-bank cover sub-assembly to break.

  24. REMOVE ECM 

    Refer to PROCEDURE - Step 4

  25. DISCONNECT ENGINE WIRE 

    HINT: 

    After disconnecting the wire harness, secure it with tape or equivalent to keep it out of the way.

    1. GTY671792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    2. Disconnect the 3 connectors from the engine room relay block assembly.
      GTY671791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the nut from the engine room relay block assembly.
    4. Remove the bolt and disconnect the engine wire from the vehicle body.
    5. Disengage the clamp from the engine room relay block assembly.
    6. Remove the 2 nuts from the engine mounting insulator LH and vehicle body.
    7. Using a screwdriver, disengage the claw and disconnect the engine wire from the engine room relay block assembly.
    8. GTY671790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the clamp and disconnect the engine wire from the engine mounting insulator LH.

    9. Remove the nut and engine room main wire with engine wire from the positive (+) battery terminal.
    10. Disengage the 2 claws to disconnect the engine room main wire from the engine wire.
      GTY671789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    11. GTY671788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the clamp and disconnect the engine wire from the vehicle body.

    12. GTY671787Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and disconnect the No. 2 earth wire from the bracket.

  26. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 7

    for U881F: Refer to PROCEDURE - Step 7

  27. DISCONNECT FUEL VAPOR FEED HOSE ASSEMBLY 
    1. Slide the clip and disconnect the fuel vapor feed hose assembly from the No. 1 vacuum switching valve.
      GTY781612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A except TMMC Made
      *B for TMMC Made
  28. DISCONNECT NO. 1 FUEL HOSE 
    1. Remove the No. 2 fuel pipe clamp from the fuel tube connector.
      GTY684967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the No. 2 fuel tube sub-assembly (for Direct Injection).
      1. Disconnect the No. 2 fuel tube sub-assembly from the fuel pipe.
        GTY669001Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Refer to PRECAUTION [12/2017 - ]

    3. Disconnect the fuel tube sub-assembly (for Port Injection).
      1. Disconnect the fuel tube sub-assembly from the fuel pipe.
        GTY669002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Refer to PRECAUTION [12/2017 - ]

  29. DISCONNECT NO. 1 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 1 radiator hose from the water outlet.
      GTY671802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Separate the No. 1 radiator hose from the radiator pipe clamp.
  30. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 20

  31. DISCONNECT INLET HEATER WATER HOSE 
    1. GTY671801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the clamp.

    2. Slide the clip and disconnect the inlet heater water hose from the water outlet.
  32. DISCONNECT OUTLET HEATER WATER HOSE 
    1. GTY671806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the clip and disconnect the outlet heater water hose from the water inlet pipe.

  33. DISCONNECT UNION TO CHECK VALVE HOSE 

    Refer to PROCEDURE - Step 11

  34. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 8

    for U881F: Refer to PROCEDURE - Step 8

  35. SEPARATE NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 46

  36. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  37. DISCONNECT SUCTION HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  38. REMOVE EXHAUST MANIFOLD 

    Refer to REMOVAL [09/2015 - ]

  39. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 5

  40. REMOVE FRONT DRIVE SHAFT ASSEMBLY 

    Refer to REMOVAL [09/2015 - 08/2019]

  41. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to REMOVAL [09/2015 - ]

  42. REMOVE FLYWHEEL HOUSING UNDER COVER 

    for U881E: Refer to PROCEDURE - Step 34

    for U881F: Refer to PROCEDURE - Step 35

  43. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 

    for U881E: Refer to PROCEDURE - Step 35

    for U881F: Refer to PROCEDURE - Step 36

  44. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 
    1. Place height adjustment attachments and plate lift attachments, set an engine lifter underneath the engine assembly with transaxle.
      NOTE:
      • Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle level.
      • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
      • To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.
      GTY948744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Attachment Installation Position
    2. GTY671805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and nut and separate the engine mounting insulator LH from the engine mounting bracket LH.

      NOTE:

      Loosen the bolt while holding the nut in place.

    3. GTY671804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt, 2 nuts and No. 2 engine mounting stay RH.

    4. GTY671803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 bolts and 2 nuts and separate the engine mounting insulator sub-assembly RH from the front No. 1 engine mounting bracket LH.

    5. GTY662037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut

      Remove the 6 bolts, 2 nuts, frame side rail plate sub-assembly RH and frame side rail plate sub-assembly LH from the front frame assembly and vehicle body.

    6. Remove the 6 bolts, 2 nuts, front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH from the front frame assembly and vehicle body.
    7. Operate the engine lifter and remove the engine assembly with transaxle from the vehicle.
      NOTE:
      • Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
      • While lowering the engine assembly with transaxle from the vehicle, do not allow it to contact the vehicle.
  45. INSTALL ENGINE HANGERS 
    1. Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.

      Torque: 33 N*m (337 kgf*cm, 24 ft.*lbf) 

      HINT: 

      No. 1 Engine Hanger 12281-31121
      No. 2 Engine Hanger 12282-31100
      Bolt 91671-10825
      GTY624034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      *B for Bank 2
      *1 No. 1 Engine Hanger
      *2 No. 2 Engine Hanger
    2. Using an engine sling device and engine lifter, secure the engine assembly with transaxle.
      NOTE:
      • Adjust the angle of the sling device carefully to prevent damage or deformation to the engine hangers or engine assembly.
      • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
  46. REMOVE ENGINE WIRE 
    1. Disconnect all clamps and connectors and remove the engine wire from the engine assembly with transaxle.
  47. REMOVE NO. 2 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  48. REMOVE FRONT NO. 1 STABILIZER BRACKET LH 

    Refer to PROCEDURE - Step 17

  49. REMOVE FRONT NO. 1 STABILIZER BRACKET RH 

    HINT: 

    Perform the same procedure as for the LH side.

  50. REMOVE STEERING LINK ASSEMBLY 

    Refer to PROCEDURE - Step 15

  51. REMOVE FRONT FRAME ASSEMBLY 
    1. GTY671795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and separate the front engine mounting insulator from the front engine mounting bracket.

    2. GTY671794Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and rear engine mounting insulator with the front frame assembly from the rear engine mounting bracket.

  52. REMOVE FRONT ENGINE MOUNTING BRACKET 

    for U881E: Refer to PROCEDURE - Step 41

    for U881F: Refer to PROCEDURE - Step 43

  53. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  54. REMOVE TRANSFER STIFFENER PLATE RH (for AWD) 

    Refer to PROCEDURE - Step 40

  55. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 43

    for U881F: Refer to PROCEDURE - Step 45

  56. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 

    See step  2

  57. INSTALL ENGINE ASSEMBLY TO ENGINE STAND 
    1. Install the engine assembly to an engine stand.
  58. REMOVE ENGINE HANGERS 
    1. Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger from the cylinder head sub-assembly and cylinder head LH.
  59. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the front engine mounting insulator is necessary.

    1. GTY671721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the hole plug from the front frame assembly.

    2. GTY671720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 nuts and front engine mounting insulator from the front frame assembly.

  60. REMOVE REAR ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the rear engine mounting insulator is necessary.

    1. GTY685561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 hole plugs from the front frame assembly.

    2. GTY671728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 nuts and rear engine mounting insulator from the front frame assembly.

  61. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.

    1. GTY671726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the clamp from the engine mounting insulator sub-assembly RH.

    2. Remove the bolt and separate the cooler bracket from the engine mounting insulator sub-assembly RH.
    3. Remove the bolt and separate the brake actuator with bracket from the engine mounting insulator sub-assembly RH.
    4. Remove the nut, 2 bolts and engine mounting insulator sub-assembly RH from the engine mounting spacer and vehicle body.
  62. REMOVE ENGINE MOUNTING SPACER 

    HINT: 

    Perform this procedure only when replacement of the engine mounting spacer is necessary.

    1. GTY671724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 bolts and engine mounting spacer from the vehicle body.

  63. REMOVE ENGINE MOUNTING INSULATOR LH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting insulator LH is necessary.

    1. Remove the 5 bolts and engine mounting insulator LH from the vehicle body.
      GTY671722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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