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Installation [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL WATER PUMP PULLEY 
    Refer to PROCEDURE - Step 2
  2. INSTALL IGNITION COIL ASSEMBLY 
    Refer to PROCEDURE - Step 2
  3. INSTALL FUEL HOSE BRACKET 

    Torque: 13 N.m (133 kgf/cm, 10 ft.lbf) 

  4. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. GTY1234638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Bolt (A) 

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

      Bolt (B) 

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

  5. INSTALL NO. 6 WATER BY-PASS HOSE 
  6. INSTALL NO. 2 WATER BY-PASS HOSE 
  7. INSTALL NO. 2 VENTILATION HOSE 
  8. INSTALL VENTILATION HOSE 
  9. INSTALL NO. 1 ENGINE COVER 
  10. INSTALL FUEL PUMP LIFTER ASSEMBLY 
    Refer to PROCEDURE - Step 1
  11. INSTALL FUEL PUMP SPACER GASKET 
  12. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 3
  13. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 4
  14. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 5
  15. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 6
  16. INSTALL FUEL PUMP PROTECTOR 

    Refer to PROCEDURE - Step 9

  17. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
    Refer to PROCEDURE - Step 1
  18. INSTALL INTAKE MANIFOLD 
    Refer to PROCEDURE - Step 2
  19. INSTALL REAR ENGINE MOUNTING STAY RH 

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

  20. CONNECT WIRE HARNESS CLAMP BRACKET 

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

  21. INSTALL NO. 1 FUEL HOSE 
    1. GTY1229260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the No. 1 fuel hose.

        Refer to PRECAUTION [12/2023 - ]

      2. Engage the 2 clamps.
  22. INSTALL AIR SURGE TANK TO INTAKE MANIFOLD GASKET 
  23. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 
    Refer to PROCEDURE - Step 14
  24. INSTALL NO. 2 SURGE TANK STAY 
    Refer to PROCEDURE - Step 15
  25. INSTALL WATER BY-PASS HOSE SUB-ASSEMBLY 

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

  26. CONNECT VENTILATION HOSE 
    Refer to PROCEDURE - Step 18
  27. INSTALL WATER BY-PASS HOSE 
  28. INSTALL NO. 2 WATER BY-PASS PIPE 

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

  29. INSTALL THROTTLE BODY GASKET 
    Refer to PROCEDURE - Step 1
  30. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 
    Refer to PROCEDURE - Step 2
  31. CONNECT NO. 2 WATER BY-PASS HOSE 
    Refer to PROCEDURE - Step 3
  32. CONNECT WATER BY-PASS HOSE 
    Refer to PROCEDURE - Step 4
  33. INSTALL NO. 5 CYLINDER BLOCK INSULATOR 
  34. INSTALL NO. 4 CYLINDER BLOCK INSULATOR 
  35. INSTALL NO. 1 COMPRESSOR MOUNTING BRACKET 
    1. Fig 1: No. 1 Compressor Mounting Bracket Tightening Sequence
      GTY1232645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the No. 1 compressor mounting bracket with the 4 bolts in the order shown in the illustration.

        Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

  36. INSTALL HV WATER PUMP BRACKET 
    1. GTY1235799Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the HV water pump bracket with the 2 bolts.

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

        NOTE:

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

  37. INSTALL COMPRESSOR WITH MOTOR ASSEMBLY 
    Refer to PROCEDURE - Step 2
  38. INSTALL V-RIBBED BELT 
    Refer to PROCEDURE - Step 1
  39. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. GTY1235879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Apply a light coat of engine oil to a new O-ring.
      2. Install the O-ring to the engine oil level dipstick guide.
      3. Install the engine oil level dipstick guide to the camshaft housing sub-assembly LH with the bolt.

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

      4. Install the engine oil level dipstick to the engine oil level dipstick guide.
  40. INSTALL DRIVE SHAFT BEARING BRACKET 
    1. GTY1233990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the drive shaft bearing bracket to the cylinder block sub-assembly with the 3 bolts.

        Torque: 63.7 N.m (650 kgf/cm, 47 ft.lbf) 

        NOTE:

        Make sure that there is no oil on the threads of the bolts.