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Home >> Lexus >> 2018 >> ES 350 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical (Service Information) >> Engine Unit >> Disassembly [07/2015 - ] >> Procedure

Disassembly [07/2015 - ]: Procedure

  1. REMOVE OIL FILLER CAP SUB-ASSEMBLY 
    1. Remove the oil filler cap sub-assembly and oil filler cap gasket.
  2. REMOVE SPARK PLUG 

    Refer to PROCEDURE - Step 4

  3. REMOVE OIL PAN DRAIN PLUG 
    1. Remove the oil pan drain plug and oil pan drain plug gasket.
      GTY232260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE VENTILATION VALVE SUB-ASSEMBLY 
    1. Remove the ventilation valve sub-assembly.
      GTY439178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE VVT SENSOR 

    Refer to PROCEDURE - Step 2

  6. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  7. REMOVE CRANK POSITION SENSOR 

    Refer to PROCEDURE - Step 2

  8. REMOVE NO. 1 OIL PIPE 
    1. Remove the 2 oil pipe unions, 3 gaskets and No. 1 oil pipe.
      GTY576424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Pipe Union
    2. Remove the oil control valve filter LH.
  9. REMOVE OIL PIPE 
    1. Remove the bolt.
      GTY467891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Pipe Union
      *2 Bolt
    2. Remove the 2 oil pipe unions, 3 gaskets and oil pipe.
    3. Remove the oil control valve filter RH.
  10. REMOVE TAPER SCREW PLUG 

    HINT: 

    Perform this operation only when a taper screw plug is installed.

    1. Remove the taper screw plug from the cylinder block sub-assembly.
      GTY451306Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY 
    1. for Bank 1:
      1. Remove the cylinder block water drain cock sub-assembly from the cylinder block sub-assembly.
        GTY457467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *A for Bank 1
        *B for Bank 2
      2. Remove the cylinder block water drain cock plug from the cylinder block water drain cock sub-assembly.
    2. for Bank 2:

      HINT: 

      Perform this operation only when a cylinder block water drain cock sub-assembly is installed.

      1. Remove the cylinder block water drain cock sub-assembly from the cylinder block sub-assembly.
      2. Remove the cylinder block water drain cock plug from the cylinder block water drain cock sub-assembly.
  12. REMOVE OIL FILTER CAP ASSEMBLY 

    Refer to PROCEDURE - Step 2

  13. REMOVE CRANKSHAFT PULLEY 

    See step  7

  14. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Remove the bolt and engine oil level dipstick guide.
      GTY446805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring.
      GTY452297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 1 FRONT ENGINE MOUNTING BRACKET LH 
    1. Remove the 6 bolts and No. 1 front engine mounting bracket LH.
      GTY124023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using an E8 "TORX" socket wrench, remove the 2 stud bolts.
  16. REMOVE WATER INLET HOUSING 
    1. Remove the 2 nuts, water inlet and thermostat.
      GTY439183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the gasket.
    3. Remove the 2 stud bolts.
    4. Slide the clip and disconnect the No. 1 water by-pass hose from the water inlet housing.
    5. Remove the drain cock plug.
      GTY618035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut
      *2 Bolt
    6. Remove the drain cock assembly.
    7. Remove the 2 bolts, nut, and water inlet housing.
    8. Remove the 2 O-rings.
      GTY146501Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE WATER OUTLET 
    1. Remove the 2 bolts, 4 nuts and water outlet.
      GTY666895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut
      *2 Bolt
    2. Remove the 2 gaskets and O-ring.
      GTY295919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Remove the 12 bolts, seal washer, cylinder head cover sub-assembly and cylinder head cover gasket.
      GTY362891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Seal Washer
    2. Remove the 3 gaskets.
      GTY439216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH 
    1. Remove the 12 bolts, seal washer, cylinder head cover sub-assembly LH and No. 2 cylinder head cover gasket.
      TEXT IN ILLUSTRATION

      *1 Baffle Plate
      *2 Seal Washer
      NOTE:

      The baffle plate is located on the back of the portion shown in the illustration. Do not damage the baffle plate when removing the cylinder head cover sub-assembly LH.

      GTY580306Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 gaskets.
      GTY439262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY 
    1. Remove the 16 bolts and 2 nuts.
      GTY646241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut
    2. Insert the blade of on oil pan seal cutter between the oil pan sub-assembly and No. 2 oil pan sub-assembly. Cut through the applied sealer and remove the No. 2 oil pan sub-assembly.
      GTY145991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the contact surfaces of the oil pan sub-assembly and No. 2 oil pan sub-assembly.

    3. Using an E6 "TORX" socket wrench, remove the 2 stud bolts.
  21. REMOVE OIL STRAINER SUB-ASSEMBLY 
    1. Remove the bolt, 2 nuts, oil strainer sub-assembly and gasket.
      GTY669615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Bolt
      *2 Nut
    2. Using an E6 "TORX" socket wrench, remove the 2 stud bolts.
  22. REMOVE OIL PAN SUB-ASSEMBLY 
    1. Remove the 16 bolts and 2 nuts.
      GTY617409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut

      HINT: 

      Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.

    2. Remove the oil pan sub-assembly by prying between the oil pan sub-assembly and cylinder block sub-assembly with a screwdriver.
      TEXT IN ILLUSTRATION

      *a Protective Tape
      NOTE:

      Be careful not to damage the contact surfaces of the cylinder block sub-assembly and oil pan sub-assembly.

      HINT: 

      Tape the screwdriver tip before use.

      GTY659315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 O-rings.
      GTY295914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using an E8 "TORX" socket wrench, remove the 2 stud bolts.
  23. REMOVE NO. 1 OIL PAN BAFFLE PLATE 
    1. Remove the 7 bolts and No. 1 oil pan baffle plate.
      GTY146508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE ENGINE REAR OIL SEAL RETAINER 
    1. Remove the 6 bolts.
      GTY124017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, pry out the engine rear oil seal retainer.
      GTY468600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Protective Tape
      Pry
      NOTE:

      Be careful not to damage the engine rear oil seal retainer.

      HINT: 

      Tape the screwdriver tip before use.

  25. REMOVE ENGINE REAR OIL SEAL 
    1. Place the engine rear oil seal retainer on wooden blocks.
      GTY467408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Protective Tape
      *b Wooden Block
    2. Using a screwdriver and a hammer, tap out the engine rear oil seal.
      NOTE:

      Be careful not to damage the engine rear oil seal retainer.

      HINT: 

      Tape the screwdriver tip before use.

  26. REMOVE ENGINE WATER PUMP ASSEMBLY 
    1. Remove the 16 bolts, engine water pump assembly and water pump gasket.
      GTY146512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY 
    1. Remove the 15 bolts and 2 nuts shown in the illustration.
      GTY296682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut
    2. Remove the timing chain cover sub-assembly by prying between the timing chain cover sub-assembly and cylinder head sub-assembly or cylinder block sub-assembly with a screwdriver.
      GTY618320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Protective Tape
      NOTE:

      Be careful not to damage the contact surfaces of the cylinder head sub-assembly, cylinder block sub-assembly and timing chain cover sub-assembly.

      HINT: 

      Tape the screwdriver tip before use.

    3. Remove the 4 bolts, timing chain cover plate and timing chain cover plate gasket.
    4. Remove the gasket.
      GTY307825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE TIMING CHAIN CASE OIL SEAL 

    Refer to PROCEDURE - Step 32

  29. SET NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Temporarily tighten the pulley set bolt.
    2. Turn the crankshaft clockwise to align the timing mark on the crank angle sensor plate with the RH block bore center line (TDC/compression).
      GTY632522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Sensor Plate
      *b Center Line
      *c Timing Mark
    3. Check that the timing marks of the camshaft timing gear assembly and camshaft timing exhaust gear assembly are aligned with the timing marks of the camshaft bearing caps as shown in the illustration.

      If not, turn the crankshaft 1 revolution (360°) clockwise and align the timing marks as above.

      GTY567625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Timing Mark
  30. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. Move the stopper plate upward to release the lock, and push the plunger deep into the No. 1 chain tensioner assembly.
      GTY464353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Plunger
      *b Stopper Plate
      *c Hexagon Wrench
    2. Move the stopper plate downward to set the lock, and insert a hexagon wrench into the stopper plate hole.
    3. Remove the 2 bolts and No. 1 chain tensioner assembly.
      GTY450128Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE CHAIN TENSIONER SLIPPER 
    1. Remove the chain tensioner slipper.
  32. REMOVE CHAIN SUB-ASSEMBLY 
    1. Turn the crankshaft 10° counterclockwise to loosen the chain sub-assembly off the crankshaft timing sprocket.
      GTY656256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Sensor Plate
      *b Center Line
      *c Timing Mark
    2. Remove the pulley set bolt.
    3. Remove the chain sub-assembly from the crankshaft timing sprocket and place it on the crankshaft.
      GTY301808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Turn the camshaft timing gear assembly on bank 1 clockwise (approximately 60°) and set it as shown in the illustration.
      GTY642874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A for Bank 1
      NOTE:

      Be sure to loosen the chain sub-assembly between the banks.

    5. Remove the chain sub-assembly.
  33. REMOVE IDLE SPROCKET ASSEMBLY 
    1. Using a 10 mm hexagon wrench, remove the No. 2 idle gear shaft, idle sprocket assembly and No. 1 idle gear shaft.
      GTY146516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE NO. 1 CHAIN VIBRATION DAMPER 
    1. Remove the 2 bolts and No. 1 chain vibration damper.
      GTY124072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE NO. 2 CHAIN VIBRATION DAMPER 
    1. Remove the 2 No. 2 chain vibration dampers.
  36. REMOVE CRANKSHAFT TIMING SPROCKET 
    1. Remove the crankshaft timing sprocket from the crankshaft.
      GTY191932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 keys from the crankshaft.
  37. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1) 

    See step  40

  38. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 

    See step  41

  39. REMOVE CAMSHAFT BEARING CAP (for Bank 1) 

    See step  42

  40. REMOVE CAMSHAFT 

    See step  43

  41. REMOVE NO. 2 CAMSHAFT 

    See step  44

  42. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH 

    See step  45

  43. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2) 

    See step  46

  44. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 

    See step  47

  45. REMOVE CAMSHAFT BEARING CAP (for Bank 2) 

    See step  48

  46. REMOVE NO. 3 CAMSHAFT 

    See step  49

  47. REMOVE NO. 4 CAMSHAFT 

    See step  50

  48. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH 

    See step  51

  49. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 

    See step  10

  50. REMOVE VALVE LASH ADJUSTER ASSEMBLY 

    See step  11

  51. REMOVE VALVE STEM CAP 

    See step  12

  52. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH 

    See step  14

  53. REMOVE CYLINDER HEAD GASKET RH 

    See step  15

  54. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH 

    See step  16

  55. REMOVE CYLINDER HEAD GASKET LH 

    See step  17

  56. REMOVE WATER INLET PIPE 
    1. Slide the clip and disconnect the No. 1 water by-pass hose from the water inlet pipe.
    2. Remove the 2 bolts and water inlet pipe.
      GTY605044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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