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Installation [11/2021 - 03/2023]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL ENGINE MOUNTING BRACKET SUB-ASSEMBLY LH 

    HINT: 

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

    1. GTY1078648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the engine mounting bracket sub-assembly LH with the 4 bolts.

        Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

        NOTE:

        Temporarily tighten the bolt (A), and then fully tighten the 4 bolts in the order of (B), (C), (D) and (A).

  2. INSTALL ENGINE MOUNTING SPACER 

    HINT: 

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

    1. GTY1078183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the engine mounting spacer to the vehicle body with the 2 bolts.

        Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

        NOTE:

        Temporarily tighten the bolt (A), and then fully tighten the 2 bolts in the order of (B) and (A).

  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. Fig 1: Radiator Reserve Tank Assembly Bolt And Nut Tightening Sequence
      GTY1081051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the engine mounting insulator sub-assembly RH with the 2 bolts and nut.

        Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

        NOTE:

        Temporarily tighten the bolt (A), and then fully tighten the 2 bolts and nut in the order of (B), (A) and (C).

      2. Connect the No. 2 earth wire to the engine mounting insulator sub-assembly RH with the bolt.

        Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      3. Connect the radiator reserve tank assembly with the bolt and nut in the order shown in the illustration.

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

      4. Engage the 3 clamps.
      5. Engage the 2 clamps.
      6. Install the intercooler reserve tank bracket with the bolt.

        Torque: 14 N.m (143 kgf/cm, 10 ft.lbf) 

  4. CONNECT INTERCOOLER RESERVE TANK ASSEMBLY 

    HINT: 

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

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

  5. INSTALL ENGINE HANGERS 
    Refer to PROCEDURE - Step 53
  6. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 
  7. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY 
    NOTE:
    • Do not apply or add any oil or grease to the belt tensioner to prevent abnormal noises from the belt tensioner pulley, belt squealing, etc.
    • Do not allow oil or grease to adhere to the moving parts of the belt tensioner, as this may cause malfunctions.
    GTY743260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

  8. INSTALL COMPRESSOR ASSEMBLY WITH PULLEY 
    Refer to PROCEDURE - Step 2
  9. INSTALL GENERATOR ASSEMBLY 
    Refer to PROCEDURE - Step 1
  10. INSTALL V-RIBBED BELT 
    Refer to PROCEDURE - Step 1
  11. INSTALL ENGINE WIRE 

    HINT: 

    As the illustration shown is an example, the actual details may differ.

    1. GTY1080980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSTALL NO. 1 CRANKSHAFT POSITION SENSOR PLATE 
    Refer to PROCEDURE - Step 2
  13. INSTALL DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 3
  14. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY 
    Refer to PROCEDURE - Step 17 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 17 [03/2022 - ]
  15. INSTALL ENGINE MOUNTING INSULATOR LH 

    HINT: 

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

    Refer to PROCEDURE - Step 9 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 9 [03/2022 - ]

  16. INSTALL REAR ENGINE MOUNTING INSULATOR 
    Refer to PROCEDURE - Step 2
  17. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

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

    Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

  18. INSTALL FRONT FRAME ASSEMBLY 

    Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

  19. CONNECT ENGINE WIRE 
    Refer to PROCEDURE - Step 20 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 20 [03/2022 - ]
  20. INSTALL STEERING GEAR HEAT INSULATOR 
    Refer to PROCEDURE - Step 7
  21. INSTALL WATER BY-PASS HOSE ASSEMBLY 
    1. GTY1077644Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 60°(Claw of Clip Location) *d Upper Side
      *e LH Side *f Front Side
      *g View A *h View B
      *i View C *j View D
      1. Connect the water by-pass hose assembly to the water control valve, front water by-pass joint and transmission oil cooler and slide the 4 clips to secure it.
        NOTE:
        • Make sure to slide the water by-pass hose assembly until it contacts the hose stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp.
  22. CONNECT BREATHER PLUG HOSE 
  23. CONNECT VACUUM HOSE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 22 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 22 [03/2022 - ]

  24. INSTALL STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  25. INSTALL FLYWHEEL HOUSING SIDE COVER 
    Refer to PROCEDURE - Step 2
  26. INSTALL DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    Refer to PROCEDURE - Step 24 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 24 [03/2022 - ]
  27. INSTALL FLYWHEEL HOUSING UNDER COVER 
  28. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE 
    1. Set the engine assembly with transaxle on an engine lifter.
      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 oil pan sub-assembly from deforming, do not place any attachments under the oil pan sub-assembly of the engine assembly with transaxle.
    2. GTY1078516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Hanger *2 No. 2 Engine Hanger
      1. Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger from the cylinder head sub-assembly and engine mounting bracket RH.
      2. Install the engine mounting bracket cap.
    3. GTY1078309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Suspension Tower Damper - -
      *1 Front Bumper Extension Sub-assembly LH *2 Front Bumper Extension Sub-assembly RH
      *3 Front Suspension Member Brace Rear LH *4 Front Suspension Member Brace Rear RH
      Bolt Nut
      1. 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.
      2. w/o Suspension Tower Damper:

        Install the front bumper extension sub-assembly RH, front bumper extension sub-assembly LH to the front frame assembly and vehicle body with the 2 bolts (A), 2 bolts (B) and 4 nuts.

        Bolt (A) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

        Bolt (B) 

        Torque: 9.5 N.m (97 kgf/cm, 84 in.lbf) 

        Nut 

        Torque: 12.5 N.m (127 kgf/cm, 9 ft.lbf) 

      3. w/ Suspension Tower Damper:

        Install the front bumper extension sub-assembly RH, front bumper extension sub-assembly LH and suspension tower damper to the front frame assembly and vehicle body with the 2 bolts (A), 2 bolts (B) and 4 nuts.

        Bolt (A) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

        Bolt (B) 

        Torque: 9.5 N.m (97 kgf/cm, 84 in.lbf) 

        Nut 

        Torque: 12.5 N.m (127 kgf/cm, 9 ft.lbf) 

      4. Install the front suspension member brace rear RH and front suspension member brace rear LH to the front frame assembly and vehicle body with the 2 bolts (C) and 4 bolts (D).

        Bolt (C) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

        Bolt (D) 

        Torque: 60 N.m (612 kgf/cm, 44 ft.lbf) 

      5. Install the engine mounting insulator LH to the engine mounting bracket sub-assembly LH with the bolt and nut.

        Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

      6. Install the wire harness clamp bracket to the engine mounting insulator LH with the bolt.

        Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      7. Install the engine mounting insulator sub-assembly RH to the engine mounting bracket RH with the 3 bolts and nut.

        Bolt 

        Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

        Nut 

        Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

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

      Refer to INITIALIZATION [11/2021 - ]

  29. INSTALL FRONT DRIVE SHAFT ASSEMBLY 

    Refer to INSTALLATION [11/2021 - ]

  30. CONNECT TIE ROD ASSEMBLY LH 
    Refer to PROCEDURE - Step 9
  31. CONNECT TIE ROD ASSEMBLY RH 
  32. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to INSTALLATION [11/2021 - ]

  33. INSTALL FRONT SUSPENSION BRACE LOWER CENTER 

    Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

  34. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY 
    Refer to PROCEDURE - Step 11
  35. CONNECT NO. 5 WATER BY-PASS HOSE 
    Refer to PROCEDURE - Step 10
  36. CONNECT WIRE HARNESS 

    Bolt (Vehicle Body) 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    Bolt (Automatic Transaxle Assembly) 

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

    Nut 

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

  37. CONNECT DISCHARGE HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 3
  38. CONNECT SUCTION HOSE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 4
  39. CONNECT NO. 2 INTERCOOLER COOLING WATER HOSE 
    1. GTY1078260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 75°(Claw of Clip Location) *d 60°(Claw of Clip Location)
      *e Upper Side *f Rear Side
      *g View A - -
      1. Connect the No. 2 intercooler cooling water hose to the No. 2 intercooler cooling water pipe and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 2 intercooler cooling water hose until it contacts the stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp.
  40. CONNECT NO. 1 INTERCOOLER COOLING WATER HOSE 
    Refer to PROCEDURE - Step 12
  41. CONNECT NO. 2 RADIATOR HOSE 
    1. GTY1078432Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120°(Claw of Clip Location) *d Upper Side
      *e RH Side *f Stopper
      *g View A - -
      1. Connect the No. 2 radiator hose to the water inlet and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 2 radiator hose until it contacts the stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
  42. CONNECT NO. 1 RADIATOR HOSE 
    1. GTY1077783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120°(Claw of Clip Location) *d Upper Side
      *e LH Side *f View A
      1. Connect the No. 1 radiator hose to the water control valve and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 radiator hose until it contacts the stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp.
  43. CONNECT FUEL TUBE SUB-ASSEMBLY 
    1. GTY1078678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the fuel tube sub-assembly.

        Refer to PRECAUTION [11/2021 - ]

      2. Install the EFI fuel pipe clamp (Fuel Tube Sub-assembly Side) to the fuel tube connector.
  44. CONNECT HEATER WATER HOSE 
    1. GTY1079715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b 120°(Claw of Clip Location)
      *c Front Side *d Upper Side
      *e View A - -
      1. Connect the heater water hose to the No. 2 water by-pass pipe and slide the clip to secure it.
        NOTE:
        • Make sure to slide the heater water hose until it contacts the stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp.
  45. CONNECT INLET HEATER WATER HOSE 
    1. GTY1077975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b 360°(Claw of Clip Location)
      *c Front Side *d Upper Side
      *e View A - -
      1. Connect the inlet heater water hose to the water control valve and slide the clip to secure it.
        NOTE:
        • Make sure to slide the inlet heater water hose until it contacts the stopper.
        • Make sure that the claws of the clip are within the location shown in the illustration.
  46. CONNECT VACUUM HOSE ASSEMBLY 
  47. CONNECT FUEL VAPOR FEED HOSE ASSEMBLY 
  48. INSTALL BATTERY CLAMP SUB-ASSEMBLY 

    Bolt 

    Torque: 18.5 N.m (189 kgf/cm, 14 ft.lbf) 

    Nut 

    Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  49. INSTALL ECM 
    Refer to PROCEDURE - Step 3
  50. INSTALL AIR CLEANER HOSE ASSEMBLY 
    1. GTY1078755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion *b Cutout
      *c Top *d 6 to 14 mm (0.236 to 0.551 in.)
      1. Install the air cleaner hose assembly to the inlet compressor elbow sub-assembly.
        NOTE:

        Align the cutout of the air cleaner hose assembly with the protrusion of the inlet compressor elbow sub-assembly.

      2. Tighten the hose clamp in the position shown in the illustration.
        NOTE:

        Make sure that the end of the hose clamp is positioned as shown in the illustration.

  51. CONNECT NO. 2 VENTILATION HOSE 
    1. GTY1078233Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Top *b LH Side
      *c 45°(Claw of Clip Location) *d 25°(Claw of Clip Location)
      *e Paint Mark - -
      1. Connect the No. 2 ventilation hose to the cylinder head cover sub-assembly and slide the clip to secure it.
        NOTE:

        Make sure to position the clip as shown in the illustration.

  52. INSTALL AIR CLEANER ASSEMBLY 
    Refer to PROCEDURE - Step 4
  53. INSTALL INLET AIR CLEANER ASSEMBLY 
    Refer to PROCEDURE - Step 5
  54. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. GTY1081165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cylinder *b Bolt
      1. Align the 3 grommets of the No. 1 engine cover sub-assembly with the 2 cylinders and bolt as shown in the illustration, then push the No. 1 engine cover sub-assembly downward to install it.
  55. INSPECT VACUUM HOSES 
    1. GTY1079038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Inspect the vacuum hoses.
  56. INSTALL BATTERY 

    Refer to INSTALLATION [11/2021 - ]

  57. INSTALL NO. 2 FRONT BUMPER REINFORCEMENT 

    Refer to PROCEDURE - Step 6 [11/2021 - 03/2022] , or refer to PROCEDURE - Step 6 [03/2022 - ]

  58. INSTALL FRONT BUMPER LOWER ABSORBER 
  59. INSTALL FRONT BUMPER ASSEMBLY 
  60. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 5

  61. ADD TRANSFER OIL 

    Refer to PROCEDURE - Step 3

  62. ADD ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 5

  63. ADD COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 5

  64. ADJUST AUTOMATIC TRANSAXLE FLUID 

    Refer to ADJUSTMENT [11/2021 - ]

  65. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 

    Refer to PROCEDURE - Step 2

  66. WARM UP ENGINE 

    Refer to PROCEDURE - Step 4

  67. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1

  68. INSPECT FOR ENGINE OIL LEAK 

    Refer to PROCEDURE - Step 6

  69. INSPECT FOR COOLANT LEAK (for Engine) 

    Refer to PROCEDURE - Step 1

  70. INSPECT FOR COOLANT LEAK (for Intercooler) 

    Refer to PROCEDURE - Step 2

  71. INSPECT FOR AUTOMATIC TRANSAXLE FLUID LEAK 
  72. INSPECT FOR TRANSFER OIL LEAK 
  73. INSPECT FOR REFRIGERANT LEAK 

    Refer to PROCEDURE - Step 5

  74. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 3

  75. CHECK ENGINE OIL LEVEL 

    Refer to PROCEDURE - Step 1

  76. INSPECT ENGINE COOLANT LEVEL IN RESERVOIR TANK (for Engine) 

    Refer to PROCEDURE - Step 2

  77. INSTALL FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 23

  78. INSTALL FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 21

  79. INSTALL FRONT SUSPENSION MEMBER DYNAMIC DAMPER 

    Bolt 

    Torque: 18 N.m (184 kgf/cm, 13 ft.lbf) 

  80. INSTALL FRONT FENDER APRON SEAL LH 

    Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  81. INSTALL FRONT FENDER APRON SEAL RH 

    Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  82. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Bolt 

    Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  83. INSTALL NO. 1 ENGINE UNDER COVER 

    Bolt 

    Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  84. INSTALL FRONT FENDER FRONT SPLASH SHIELD LH 
  85. INSTALL FRONT FENDER FRONT SPLASH SHIELD RH 
  86. INSTALL FRONT WHEELS 

    Refer to INSTALLATION [11/2021 - 03/2023]

  87. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  88. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [11/2021 - 03/2024]

  89. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [11/2021 - ]

  90. INSPECT IGNITION TIMING 

    Refer to PROCEDURE - Step 9

  91. INSPECT ENGINE IDLE SPEED 

    Refer to PROCEDURE - Step 10

  92. INSPECT CO/HC 

    Refer to PROCEDURE - Step 12

  93. CHECK SPEED SENSOR SIGNAL 

    Refer to SIGNAL CHECK [11/2021 - ]

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