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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Mechanical System (A25A-FKS) - Service Information (2 Of 3)) >> Engine Unit >> Removal [09/2022 - ] >> Procedure

Removal [09/2022 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE DRIVE SHAFT BEARING BRACKET 
    1. Remove the 3 bolts and drive shaft bearing bracket.
      GTY947377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE V-RIBBED BELT 

    Refer to PROCEDURE - Step 5

  3. REMOVE GENERATOR ASSEMBLY 

    Refer to PROCEDURE - Step 5

  4. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY 
    1. Remove the 2 bolts and 2 nuts.
      GTY764543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    2. Using an E8 "TORX" socket wrench, remove the 2 stud bolts and compressor assembly with pulley.
      GTY766845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 2 ENGINE COVER 
    1. Remove the 2 bolts and No. 2 engine cover from the No. 2 timing chain cover assembly.
      GTY771428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE 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
    1. Remove the 2 bolts and V-ribbed belt tensioner assembly from the No. 2 timing chain cover assembly.
      GTY756774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 2 TIMING CHAIN COVER INSULATOR 
    1. Remove the No. 2 timing chain cover insulator from the V-ribbed belt tensioner assembly.
      GTY772109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE TIMING GEAR COVER INSULATOR 
    1. Using an 8 mm socket wrench, remove the bolt, plate washer and timing gear cover insulator from the No. 2 timing chain cover assembly.
      GTY760321Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY 
    1. Slide the clip and disconnect the No. 2 water by-pass pipe sub-assembly from the outlet water by-pass sub-assembly.
      GTY948657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and No. 2 water by-pass pipe sub-assembly.
  10. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    1. Remove the bolt to disconnect the flow shutting valve (water by-pass hose assembly).
      GTY948647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and the water hose clamp bracket.
      GTY761486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Slide the clip and remove the flow shutting valve (water by-pass hose assembly) from the outlet water by-pass sub-assembly.
      GTY761484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Use a container to catch any engine coolant which flows out of the flow shutting valve (water by-pass hose assembly) and outlet water by-pass sub-assembly.

  11. SEPARATE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 16

  12. REMOVE MANIFOLD STAY 

    Refer to PROCEDURE - Step 18

  13. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 19

  14. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 4

  15. REMOVE THROTTLE BODY GASKET 

    Refer to PROCEDURE - Step 5

  16. REMOVE EGR COOLER ASSEMBLY 

    Refer to PROCEDURE - Step 4

  17. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  18. REMOVE EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 7

  19. REMOVE NO. 3 WATER BY-PASS PIPE 
    1. Using an 8 mm socket wrench, remove the bolt and disconnect the No. 3 water by-pass pipe from the intake manifold.
      GTY772887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and remove the No. 3 water by-pass pipe from the water outlet.
  20. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. Remove the bolt (A).
      GTY1084547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using an 8 mm socket wrench, remove the 2 bolts (B) and No. 2 water by-pass pipe.
  21. REMOVE INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 11

  22. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 12

  23. DISCONNECT FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  24. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    1. Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.
      GTY948857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using an 8 mm socket wrench, remove the bolt.
  25. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 

    Refer to PROCEDURE - Step 8

  26. REMOVE NO. 7 WATER BY-PASS HOSE 
    1. Slide the 2 clips and remove the No. 7 water by-pass hose.
      GTY760313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE SENSOR WIRE 
    1. Disconnect the 4 connectors.
      GTY756554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 3 clamps.
    3. Using an 8 mm socket wrench, remove the bolt and sensor wire from the water inlet with thermostat sub-assembly.
  28. REMOVE NO. 6 ENGINE WIRE 
    1. Disconnect the 4 connectors.
      GTY756553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 clamps.
    3. Remove the 2 nuts and No. 6 engine wire from the wire harness clamp bracket.
  29. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. Using an 8 mm socket wrench, remove the 2 bolts and wire harness clamp bracket from the No. 1 ventilation case.
      GTY772063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  31. REMOVE NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 4

  32. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 5

  33. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 6

  34. REMOVE PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 7

  35. REMOVE FUEL DELIVERY PIPE 

    Refer to PROCEDURE - Step 2

  36. REMOVE DIRECT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 3

  37. REMOVE FUEL INJECTOR SEAL 

    Refer to PROCEDURE - Step 4

  38. REMOVE IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  39. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Remove the engine oil level dipstick.
    2. Using an 8 mm socket wrench, remove the bolt and engine oil level dipstick guide from the camshaft housing sub-assembly.
      GTY756776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the engine oil level dipstick guide.
      GTY756777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  41. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) 
    1. Remove the 4 bolts, engine water pump assembly (water inlet housing) and gasket from the cylinder block sub-assembly.
      GTY756773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the bolt and No. 3 exhaust manifold heat insulator from the cylinder block sub-assembly.
      GTY931758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to PROCEDURE - Step 1

  44. REMOVE NO. 2 VACUUM SWITCHING VALVE BRACKET 
    1. Using an 8 mm socket wrench, remove the 2 bolts and No. 2 vacuum switching valve bracket from the cylinder head sub-assembly.
      GTY754235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE STUD BOLT 
    1. Using an E8 "TORX" socket wrench, remove the stud bolt to the timing chain cover assembly.
      GTY948668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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