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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (2GR-FKS) - Service Information (2 Of 2) >> Engine Unit >> Disassembly [11/2017 - ] >> Procedure

Disassembly [11/2017 - ]: Procedure

  1. REMOVE SPARK PLUG 

    Refer to PROCEDURE - Step 7

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. for Bank 1:
      GTY658591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 clips and No. 1 engine cover from the cylinder head cover sub-assembly.

    2. for Bank 2:
      GTY829333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the clip and No. 1 engine cover from the No. 1 fuel tube sub-assembly.

  3. REMOVE NO. 1 FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  4. REMOVE VENTILATION HOSE ASSEMBLY 
    1. Loosen the clip and remove the ventilation hose assembly from the cylinder head cover sub-assembly LH.
      GTY835826Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 3

  6. REMOVE CRANKSHAFT POSITION SENSOR 

    Refer to PROCEDURE - Step 1

  7. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY 
    1. Remove the water drain cock plug from the cylinder block water drain cock sub-assembly.
      GTY814115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the cylinder block water drain cock sub-assembly from the cylinder block sub-assembly.
  8. REMOVE CYLINDER BLOCK WATER DRAIN COCK PLUG (w/ Cylinder Block Water Drain Cock Plug) 
    1. Remove the cylinder block water drain cock plug from the cylinder block sub-assembly.
      GTY814117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE OIL FILTER CAP ASSEMBLY 
  10. REMOVE OIL FILTER BRACKET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18

  11. REMOVE CRANKSHAFT PULLEY 

    Refer to PROCEDURE - Step 6

  12. REMOVE WATER OUTLET SUB-ASSEMBLY 
    1. Remove the 2 bolts and water outlet sub-assembly.
      GTY830083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the No. 1 water outlet pipe.
      GTY787936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT 
    1. Remove the 2 bolts, nut, water inlet sub-assembly with thermostat and water inlet housing gasket.
      GTY793065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
  14. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 2

  15. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 2

  16. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 2

  17. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 2

  18. REMOVE REAR WATER BY-PASS JOINT 
    1. Disengage the 2 clamps and disconnect the No. 5 engine wire from the rear water by-pass joint.
      GTY835821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts, 2 nuts and rear water by-pass joint.
      GTY797881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    3. Remove the 2 water by-pass joint gaskets from the rear water by-pass joint.
      GTY814105Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the O-ring from the No. 1 water outlet pipe.
      GTY814079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE VACUUM PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 13

  20. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH 
    1. Remove the 2 bolts and 2 VVT sensors from the cylinder head cover sub-assembly LH.
      GTY831565Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 VVT Sensor
    2. Remove the 14 bolts and cylinder head cover sub-assembly LH from the camshaft housing sub-assembly LH.
    3. Remove the camshaft bearing cap oil hole gasket LH.
      GTY655055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 gaskets and cylinder head cover gasket.
      GTY627278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Remove the 2 bolts and 2 VVT sensors from the cylinder head cover sub-assembly.
      GTY798337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 VVT Sensor
    2. Remove the 13 bolts and cylinder head cover sub-assembly from the camshaft housing sub-assembly RH.
    3. Remove the camshaft bearing cap oil hole gasket RH.
      GTY655054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 gaskets and cylinder head cover gasket.
      GTY627277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE SPARK PLUG TUBE GASKET 
    1. Using a screwdriver, deform each spark plug tube gasket inwards and remove the 6 spark plug tube gaskets from the cylinder head cover sub-assembly and cylinder head cover sub-assembly LH.
      GTY664457Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE OIL PAN DRAIN PLUG 
    1. Remove the oil pan drain plug and gasket from the No. 2 oil pan sub-assembly.
  24. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY 
    1. for 2WD:
      1. Remove the 15 bolts and 2 nuts.
        GTY800299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut
    2. for AWD:
      1. Remove the 14 bolts and 2 nuts.
        GTY834902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut
    3. Insert the blade of an 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 pans.

  25. REMOVE OIL PIPE WITH STRAINER SUB-ASSEMBLY (for AWD) 
    1. Remove the 3 nuts and oil pipe with strainer sub-assembly and gasket.
      GTY675754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE ENGINE OIL LEVEL SENSOR 

    Refer to PROCEDURE - Step 5

  27. REMOVE OIL LEVEL SENSOR BRACKET 

    Refer to PROCEDURE - Step 6

  28. REMOVE OIL PAN SUB-ASSEMBLY 
    1. Remove the 16 bolts and 2 nuts.
      GTY779844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD
      *B for AWD
      Bolt
      Nut
      NOTE:

      Make 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 timing chain cover assembly or cylinder block sub-assembly with a screwdriver wrapped with protective tape.
      GTY782093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD (RH Side) *B for 2WD (LH Side)
      *C for AWD (RH Side) *D for AWD (LH Side)
      NOTE:

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

    3. Remove the 2 O-rings from the timing chain cover assembly.
      GTY627312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE OIL STRAINER SUB-ASSEMBLY 
    1. for 2WD:
      GTY627310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 nuts and oil strainer sub-assembly and gasket.
    2. for AWD:
      GTY409836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the bolt, 2 nuts and oil strainer sub-assembly and gasket.
  30. REMOVE NO. 1 OIL PAN BAFFLE PLATE 
    1. for 2WD:
      GTY664471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 8 bolts and No. 1 oil pan baffle plate.
    2. for AWD:
      GTY664470Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 7 bolts and No. 1 oil pan baffle plate.
  31. REMOVE ENGINE REAR OIL SEAL RETAINER 
    1. Remove the 6 bolts.
      GTY542739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver with its tip wrapped with protective tape, pry out the engine rear oil seal retainer.
      GTY779505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Pry
      NOTE:

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

  32. REMOVE ENGINE REAR OIL SEAL 
    1. Place the engine rear oil seal retainer on wooden blocks.
      GTY784963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Protective Tape
    2. Using a hammer and a screwdriver with its tip wrapped with protective tape, tap out the rear engine oil seal.
      NOTE:

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

  33. REMOVE TIMING CHAIN COVER PLATE 

    Refer to PROCEDURE - Step 26

  34. REMOVE TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 32

  35. REMOVE ENGINE WATER PUMP ASSEMBLY 
    1. Remove the 7 bolts and engine water pump assembly.
      GTY814127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the water pump gasket.
  36. REMOVE TIMING CHAIN CASE OIL SEAL 

    Refer to PROCEDURE - Step 33

  37. SET NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Temporarily install the crankshaft pulley set bolt.
    2. Turn the crankshaft clockwise to align the timing mark of the crankshaft timing sprocket key groove chase position with the center line of the block bore (for Bank 1) (TDC / compression).
      GTY831354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Center Line
      *b Key Groove
    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.
      GTY799084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark

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

      NOTE:
      • Check each timing mark from a viewpoint directly in line with the center of the camshaft and the timing mark on each camshaft timing gear assembly and each camshaft timing exhaust gear assembly.
      • If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.
  38. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. Turn the stopper plate clockwise to release the lock, and push the plunger deep into the No. 1 chain tensioner assembly.
      GTY804671Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Plunger
      *b Stopper Plate
      *c Pin
    2. Turn the stopper plate counterclockwise to set the lock, and insert a 1.0 mm (0.0394 in.) diameter pin into the hole of the stopper plate.
    3. Remove the 2 bolts and No. 1 chain tensioner assembly.
      GTY542736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE CHAIN TENSIONER SLIPPER 
    1. Remove the chain tensioner slipper from the cylinder block sub-assembly.
  40. REMOVE CHAIN SUB-ASSEMBLY 
    1. Turn the crankshaft 10° counterclockwise to loosen the chain sub-assembly of the crankshaft timing gear or sprocket.
      GTY789672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark
      *b Center Line
      *c 10°
      *d Key Groove
    2. Remove the crankshaft pulley set bolt from the crankshaft.
    3. Remove the chain sub-assembly from the crankshaft timing gear or sprocket and place it on the crankshaft.
      GTY616778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Turn the camshaft timing gear assembly on bank 1 clockwise (approximately 60°) so that it is positioned as shown in the illustration.
      GTY809851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      NOTE:

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

    5. Remove the chain sub-assembly.
  41. REMOVE IDLE SPROCKET ASSEMBLY 
    1. Using a 10 mm hexagon socket wrench, remove the No. 2 idle gear shaft, idle sprocket assembly and No. 1 idle gear shaft.
      GTY598437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE NO. 1 CHAIN VIBRATION DAMPER 
    1. Remove the 2 bolts and No. 1 chain vibration damper.
      GTY616783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE NO. 2 CHAIN VIBRATION DAMPER 
    1. Remove the 2 No. 2 chain vibration dampers.
      GTY616791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE CRANKSHAFT TIMING GEAR OR SPROCKET 
    1. Remove the crankshaft timing gear or sprocket from the crankshaft.
      GTY835822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 crankshaft timing gear set keys from the crankshaft.
  45. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1) 

    Refer to PROCEDURE - Step 6

  46. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 7

  47. REMOVE CAMSHAFT BEARING CAP (for Bank 1) 

    Refer to PROCEDURE - Step 8

  48. REMOVE FUEL PUMP LIFTER HOUSING 

    Refer to PROCEDURE - Step 9

  49. REMOVE CAMSHAFT 

    Refer to PROCEDURE - Step 10

  50. REMOVE NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 11

  51. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 12

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

    Refer to PROCEDURE - Step 13

  53. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 14

  54. REMOVE CAMSHAFT BEARING CAP (for Bank 2) 

    Refer to PROCEDURE - Step 15

  55. REMOVE NO. 3 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16

  56. REMOVE NO. 4 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 17

  57. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 18

  58. REMOVE OIL CONTROL VALVE FILTER (for Bank 1) 
    1. Remove the 2 oil control valve filters from the 2 camshaft bearing caps.
      GTY542761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  59. REMOVE OIL CONTROL VALVE FILTER (for Bank 2) 
    1. Remove the 2 oil control valve filters from the camshaft bearing caps.
  60. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 21

  61. REMOVE VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 22

  62. REMOVE VALVE STEM CAP 

    Refer to PROCEDURE - Step 23

  63. REMOVE CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 30

  64. REMOVE CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 31

  65. REMOVE CYLINDER HEAD LH 

    Refer to PROCEDURE - Step 32

  66. REMOVE NO. 2 CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 33

  67. REMOVE NO. 5 ENGINE WIRE 
    1. GTY814103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the 2 clamps, 2 connectors and remove the No. 5 engine wire.

  68. REMOVE KNOCK CONTROL SENSOR 

    Refer to PROCEDURE - Step 2

  69. REMOVE NO. 1 WATER OUTLET PIPE 
    1. Remove the 2 bolts and No. 1 water outlet pipe.
      GTY616802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  70. REMOVE CYLINDER BLOCK WATER JACKET SPACER 
    1. Remove the 2 cylinder block water jacket spacers from the cylinder block sub-assembly.
      GTY826510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  71. REMOVE STRAIGHT PIN 
    NOTE:

    It is not necessary to remove the straight pins unless they are being replaced.

  72. REMOVE CAMSHAFT BEARING CAP SETTING RING PIN 
    NOTE:

    It is not necessary to remove the camshaft bearing cap setting ring pins unless they are being replaced.

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