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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (3 Of 3) >> Engine Assembly >> Installation [12/2017 - 08/2019] >> Procedure

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

  1. INSTALL ENGINE MOUNTING INSULATOR LH 

    HINT: 

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

    1. Install the engine mounting insulator LH to the vehicle body with the 5 bolts.

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

      NOTE:

      Temporarily tighten the bolt (A), then tighten the bolt (B) before tightening the order 4 bolts.

      GTY675766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL ENGINE MOUNTING SPACER 

    HINT: 

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

    1. Install the engine mounting spacer to the vehicle body with the 2 bolts.

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

  3. INSTALL ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 

    HINT: 

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

    1. Install the engine mounting insulator sub-assembly RH to the engine mounting spacer and vehicle body with the nut and 2 bolts.

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

    2. Install the brake actuator with bracket to the engine mounting insulator sub-assembly RH with the bolt.

      Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) 

    3. Install the cooler bracket to the engine mounting insulator sub-assembly RH with the bolt.

      Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf) 

    4. Engage the clamp to the engine mounting insulator sub-assembly RH.
  4. INSTALL REAR ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. Install the rear engine mounting insulator to the front frame assembly with the 4 nuts.

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

    2. Install the 2 hole plugs to the front frame assembly.
  5. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. Install the front engine mounting insulator to the front frame assembly with the 3 nuts.

      Torque: 52 N*m (530 kgf*cm, 38 ft.*lbf) 

    2. Install the hole plug to the front frame assembly.
  6. INSTALL ENGINE HANGERS 

    See step  45

  7. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 
    1. Remove the engine assembly from the engine stand.
  8. INSTALL DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 

    See step  2

  9. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 7

    for U881F: Refer to PROCEDURE - Step 8

  10. INSTALL TRANSFER STIFFENER PLATE RH (for AWD) 

    Refer to PROCEDURE - Step 13

  11. INSTALL STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  12. INSTALL FRONT ENGINE MOUNTING BRACKET 

    for U881E: Refer to PROCEDURE - Step 9

    for U881F: Refer to PROCEDURE - Step 10

  13. INSTALL FRONT FRAME ASSEMBLY 
    1. Temporarily install the front engine mounting insulator with front frame assembly to the front engine mounting bracket with the bolt.
    2. Install the rear engine mounting insulator to the rear engine mounting bracket with the bolt.
      GTY655109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Projection
      *b Rib

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

      NOTE:

      If tightening the bolt before installation of the front frame assembly, ensure that the edge of the protrusion of the bracket is within the width of the rib.

    3. Fully tighten the bolt of the front engine mounting insulator.

      Torque: 87 N*m (887 kgf*cm, 64 ft.*lbf) 

  14. INSTALL STEERING LINK ASSEMBLY 

    Refer to PROCEDURE - Step 3

  15. INSTALL FRONT NO. 1 STABILIZER BRACKET LH 

    Refer to PROCEDURE - Step 6

  16. INSTALL FRONT NO. 1 STABILIZER BRACKET RH 

    HINT: 

    Perform the same procedure as for the LH side.

  17. INSTALL NO. 2 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  18. INSTALL ENGINE WIRE 
    1. Connect all connectors and clamps, and install the engine wire to the engine assembly with transaxle.
  19. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE 

    HINT: 

    Perform "Inspection After Repair" after replacing the engine assembly.

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

    1. Using height adjustment attachments and plate lift attachments to keep the engine assembly with transaxle and front frame assembly level, set an engine lifter underneath the engine assembly with transaxle and front frame assembly.
      NOTE:
      • 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.
    2. Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger.
    3. Operate the engine lifter and install the engine assembly with transaxle to the vehicle.
      WARNING:

      Do not raise the engine assembly with transaxle more than necessary. If the engine is raised excessively, the vehicle may also be lifted up.

      NOTE:
      • Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
      • While raising the engine assembly with transaxle into the vehicle, do not allow it to contact the vehicle.
    4. Install the frame side plate sub-assembly RH and frame side plate sub-assembly LH to the front frame assembly and vehicle body with the 6 bolts and 2 nuts.
      GTY662036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut

      Bolt (A) 

      Torque: 85 N*m (867 kgf*cm, 63 ft.*lbf) 

      Bolt (B) and Nut (A) 

      Torque: 32 N*m (326 kgf*cm, 24 ft.*lbf) 

    5. Install the front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH to the front frame assembly and vehicle body with the 6 bolts and 2 nuts.

      Bolt (C) 

      Torque: 85 N*m (867 kgf*cm, 63 ft.*lbf) 

      Bolt (D) and Nut (B) 

      Torque: 32 N*m (326 kgf*cm, 24 ft.*lbf) 

    6. Install the engine mounting insulator sub-assembly RH to the front No. 1 engine mounting bracket LH with the 2 bolts and 2 nuts.

      Bolt and Nut (A) 

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

      Nut (B) 

      Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) 

      GTY665763Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Install the No. 2 engine mounting stay RH with the bolt and 2 nuts.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    8. Install the engine mounting insulator LH to the engine mounting bracket LH with the bolt and nut.

      Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) 

      NOTE:

      Tighten the bolt while holding the nut in place.

  20. INSTALL DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 

    for U881E: Refer to PROCEDURE - Step 15

    for U881F: Refer to PROCEDURE - Step 17

  21. INSTALL FLYWHEEL HOUSING UNDER COVER 

    for U881E: Refer to PROCEDURE - Step 16

    for U881F: Refer to PROCEDURE - Step 18

  22. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to INSTALLATION [09/2015 - ]

  23. INSTALL FRONT DRIVE SHAFT ASSEMBLY 

    Refer to INSTALLATION [09/2015 - ]

  24. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 13

  25. INSTALL EXHAUST MANIFOLD 

    Refer to INSTALLATION [09/2015 - ]

  26. CONNECT SUCTION HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  27. CONNECT DISCHARGE HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  28. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 15

  29. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 5

    for U881F: Refer to PROCEDURE - Step 5

  30. CONNECT UNION TO CHECK VALVE HOSE 

    Refer to PROCEDURE - Step 10

  31. CONNECT OUTLET HEATER WATER HOSE 
    1. Connect the outlet heater water hose to the water inlet pipe and slide the clip to secure it.
  32. CONNECT INLET HEATER WATER HOSE 
    1. Connect the inlet heater water hose to the water outlet and slide the clip to secure it.
    2. Engage the clamp.
  33. CONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 3

  34. CONNECT NO. 1 RADIATOR HOSE 
    1. Install the No. 1 radiator hose to the radiator pipe clamp.
    2. Connect the No. 1 radiator hose to the water outlet and slide the clip to secure it.
  35. CONNECT NO. 1 FUEL HOSE 
    1. Connect the fuel tube sub-assembly (for Port Injection).
      1. Connect the fuel tube sub-assembly to the fuel pipe.

        Refer to PRECAUTION [12/2017 - ]

    2. Connect the No. 2 fuel tube sub-assembly (for Direct Injection).
      1. Connect the No. 2 fuel tube sub-assembly to the fuel pipe.

        Refer to PRECAUTION [12/2017 - ]

    3. Install the No. 2 fuel pipe clamp to the fuel tube connector.
  36. CONNECT FUEL VAPOR FEED HOSE ASSEMBLY 
    1. Connect the fuel vapor feed hose assembly to the No. 1 vacuum switching valve and slide the clip to secure it.
  37. CONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    for U881E: Refer to PROCEDURE - Step 2

    for U881F: Refer to PROCEDURE - Step 2

  38. CONNECT ENGINE WIRE 
    1. Connect the No. 2 earth wire to the bracket with the bolt.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    2. Engage the clamp and connect the engine wire to the vehicle body.
    3. Engage the 2 claws and connect the engine room main wire to the engine wire.
    4. Install the engine room main wire with engine wire to the positive (+) battery terminal with the nut.

      Torque: 7.6 N*m (77 kgf*cm, 67 in.*lbf) 

    5. Engage the clamp and connect the engine wire to the engine mounting insulator LH.
    6. Engage the claw and connect the engine wire to the engine room relay block assembly.
    7. Install the 2 nuts to the engine mounting insulator LH and vehicle body.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    8. Engage the clamp to the engine room relay block assembly.
    9. Connect the engine wire to the vehicle body with the bolt.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    10. Install the nut to the engine room relay block assembly.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    11. Connect the 3 connectors to the engine room relay block assembly.
    12. Install the No. 1 relay block cover to the engine room relay block assembly.
  39. INSTALL ECM 

    Refer to PROCEDURE - Step 3

  40. INSTALL V-BANK COVER SUB-ASSEMBLY 
    1. Engage the 4 clips in the order shown in the illustration to install the V-bank cover sub-assembly.
      GTY666338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Securely engage the clips.
      • If the clips are forcibly engaged or struck with an object, they may be damaged.
  41. INSTALL AIR CLEANER BRACKET 
    1. Install the air cleaner bracket to the engine mounting insulator LH with the 2 bolts.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  42. INSTALL AIR CLEANER CASE SUB-ASSEMBLY 
    1. Install the air cleaner case sub-assembly to the engine mounting insulator LH and air cleaner bracket with the 2 bolts.

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

  43. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 
    1. Install the air cleaner filter element sub-assembly to the air cleaner case sub-assembly.
  44. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 3

  45. INSTALL INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 2

  46. INSTALL COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 4

  47. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  48. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 4

  49. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  50. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 

    Refer to PROCEDURE - Step 1

  51. WARM UP ENGINE 

    Refer to PROCEDURE - Step 3

  52. INSPECT SHIFT LEVER POSITION 

    for U881E: Refer to PROCEDURE - Step 2

    for U881F: Refer to PROCEDURE - Step 2

  53. ADJUST SHIFT LEVER POSITION (for 2WD) 

    Refer to PROCEDURE - Step 4

  54. ADJUST SHIFT LEVER POSITION (for AWD) 

    for TMC Made: Refer to PROCEDURE - Step 4

    for TMMC Made: Refer to PROCEDURE - Step 5

  55. INSPECT FOR ENGINE OIL LEAK 

    Refer to PROCEDURE - Step 5

  56. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  57. INSPECT FOR AUTOMATIC TRANSAXLE FLUID LEAK 
  58. INSPECT FOR REFRIGERANT LEAK 

    Refer to PROCEDURE - Step 4

  59. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1

  60. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 10

  61. CHECK ENGINE OIL LEVEL 

    Refer to PROCEDURE - Step 1

  62. INSPECT ENGINE COOLANT LEVEL IN RESERVOIR TANK 

    Refer to PROCEDURE - Step 2

  63. INSTALL FRONT FENDER APRON SEAL RH 
    1. Install the front fender apron seal RH to the vehicle body with the 2 bolts and clip.
  64. INSTALL FRONT FENDER APRON SEAL LH 
    1. Install the front fender apron seal LH to the vehicle body with the 2 bolts and clip.
  65. INSTALL FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 13

  66. INSTALL NO. 2 ENGINE UNDER COVER 
    1. Install the No. 2 engine under cover to the front frame assembly with the 2 bolts, 2 screws and clip.
  67. INSTALL NO. 1 ENGINE UNDER COVER 
    1. Install the No. 1 engine under cover to the vehicle body with the 3 bolts, 4 screws and clip.
  68. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 
    1. Install the front wheel opening extension pad RH to the No. 1 engine under cover with the 2 screws.
  69. INSTALL NO. 3 ENGINE UNDER COVER 
    1. Install the No. 3 engine under cover to the vehicle body with the 5 bolts, 4 screws and 2 clips.
  70. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 
    1. Install the front wheel opening extension pad LH to the No. 3 engine under cover with the 2 screws.
  71. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 

    Refer to PROCEDURE - Step 8

  72. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

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

  73. PERFORM INITIALIZATION 

    Refer to PROCEDURE - Step 6

  74. INSPECT IGNITION TIMING 

    Refer to PROCEDURE - Step 9

  75. INSPECT ENGINE IDLE SPEED 

    Refer to PROCEDURE - Step 10

  76. INSPECT CO/HC 

    Refer to PROCEDURE - Step 12

  77. CHECK FOR SPEED SENSOR SIGNAL 

    Refer to TEST MODE PROCEDURE [09/2015 - 08/2019]

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