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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Mechanical System (2GR-FSE) - Service Information (2 Of 2)) >> Engine Unit >> Disassembly [09/2014 - 11/2017] >> Procedure

Disassembly [09/2014 - 11/2017]: Procedure

WARNING: This page is about a different car, the 2017 Lexus RC 350, 2017 Lexus RC 300, 2016 Lexus RC 350, 2016 Lexus RC 300, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FUEL INJECTOR SEAL 

    Refer to REMOVAL [09/2014 - 11/2017]

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

    Refer to PROCEDURE - Step 7

  5. REMOVE OIL PAN DRAIN PLUG 
    1. Remove the oil pan drain plug and gasket.
  6. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 2

  7. REMOVE VVT SENSOR (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 2

  8. REMOVE VVT SENSOR (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 3

  9. REMOVE VVT SENSOR (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 4

  10. REMOVE VVT SENSOR (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 5

  11. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 2

  12. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 3

  13. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 4

  14. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 5

  15. REMOVE ENGINE OIL LEVEL SENSOR 

    Refer to PROCEDURE - Step 3

  16. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to PROCEDURE - Step 3

  17. REMOVE CRANKSHAFT POSITION SENSOR 

    Refer to PROCEDURE - Step 2

  18. REMOVE NO. 1 OIL PIPE 
    1. Remove the oil check valve bolt, oil pipe union, No. 1 oil pipe and 3 gaskets.
      GTY496618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Oil Pipe Union
      *b Oil Check Valve Bolt
    2. Remove the oil control valve filter LH.
      NOTE:

      Do not touch the mesh when removing the oil control valve filter LH.

  19. REMOVE NO. 2 OIL PIPE 
    1. Remove the oil check valve bolt, oil pipe union, No. 2 oil pipe and 3 gaskets.
      GTY512264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Oil Pipe Union
      *b Oil Check Valve Bolt
    2. Remove the oil control valve filter RH.
      NOTE:

      Do not touch the mesh when removing the oil control valve filter RH.

  20. 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.
      GTY670956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY 
    1. Remove the water drain cock plug from each cylinder block water drain cock sub-assembly.
    2. Remove each cylinder block water drain cock sub-assembly from the cylinder block sub-assembly.
      GTY466508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a for Bank 1
      *b for Bank 2
  22. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY 

    Refer to PROCEDURE - Step 5

  23. REMOVE OIL FILTER CAP ASSEMBLY (for 2WD) 

    Refer to PROCEDURE - Step 3 [09/2014 - 10/2015] , or refer to PROCEDURE - Step 3 [10/2015 - 11/2017]

  24. REMOVE OIL FILTER CAP ASSEMBLY (for AWD) 

    Refer to PROCEDURE - Step 4 [09/2014 - 10/2015] , or refer to PROCEDURE - Step 4 [10/2015 - 11/2017]

  25. REMOVE OIL FILTER BRACKET SUB-ASSEMBLY (for AWD) 
    1. Remove the bolt, 2 nuts and oil filter bracket sub-assembly.
      GTY468480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the gasket.
  26. REMOVE CRANKSHAFT PULLEY 

    Refer to PROCEDURE - Step 4

  27. REMOVE WATER INLET 

    Refer to PROCEDURE - Step 10

  28. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 9

  29. REMOVE REAR WATER BY-PASS JOINT 
    1. Remove the 2 bolts, 4 nuts and rear water by-pass joint.
      GTY104823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 water outlet gaskets and water outlet pipe O-ring.
      GTY418993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Remove the 14 bolts, 2 cylinder head cover seal washers, cylinder head cover sub-assembly and cylinder head cover gasket.
      GTY102536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 gaskets.
      GTY458884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH 
    1. Remove the 12 bolts, cylinder head cover seal washer, cylinder head cover sub-assembly LH and cylinder head cover gasket LH.
      GTY459177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Be careful of baffle plate
      NOTE:

      A baffle plate is located on the underside of the area shown in the illustration.

      Do not damage the baffle plate when removing the cylinder head cover sub-assembly LH.

    2. Remove the 3 gaskets.
      GTY458886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE SPARK PLUG TUBE GASKET 
    1. Pry up the claws of the ventilation baffle plate.
      GTY216053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not deform the claws of the ventilation baffle plate more than necessary.

    2. Using a screwdriver as shown in the illustration, deform each spark plug tube gasket inwards and remove the 6 spark plug tube gaskets from the cylinder head cover sub-assembly.
      NOTE:
      • As much as possible prevent the spark plug tube gaskets from being deformed.

        The removed spark plug tube gaskets will be used when reinstalling the new spark plug tube gaskets.

      • Do not damage the cylinder head cover sub-assembly.
      • Make sure not to damage the spark plug tube gasket and cylinder head cover sub-assembly when inserting the screwdriver in the joint area.
      GTY474048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      If the cylinder head cover sub-assembly is damaged, smooth the surface with 400-grit sandpaper.

  33. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY 
    1. for 2WD:
      GTY459984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 15 bolts and 2 nuts.

    2. for AWD:
      GTY461898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 14 bolts and 2 nuts.

    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.
      GTY515351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Oil Pan Seal Cutter
      NOTE:

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

  34. REMOVE OIL STRAINER WITH PIPE SUB-ASSEMBLY (for AWD) 
    1. Remove the 3 nuts, oil strainer with pipe sub-assembly and oil strainer gasket.
      GTY398208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE OIL PAN SUB-ASSEMBLY 
    1. for 2WD:
      GTY458135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 16 bolts and 2 nuts.

        HINT: 

        • Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.
        • Arrange the removed parts in such a way that they can be reinstalled to their original locations.
    2. for AWD:
      1. Remove the 16 bolts and 2 nuts.

        HINT: 

        • Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.
        • Arrange the removed parts in such a way that they can be reinstalled to their original locations.
        GTY462466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the oil pan sub-assembly by prying between the oil pan sub-assembly and cylinder block sub-assembly with a screwdriver.
      GTY515403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD *B for AWD
      *a LH Side *b RH Side
      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.

    4. Remove the 2 O-rings.
      GTY463016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE OIL STRAINER SUB-ASSEMBLY 
    1. for 2WD:
      1. Remove the 3 nuts, oil strainer sub-assembly and oil strainer gasket.
        GTY104825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for AWD:
      1. Remove the bolt, 2 nuts, oil strainer sub-assembly and oil strainer gasket.
        GTY409836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE NO. 1 OIL PAN BAFFLE PLATE 
    1. for 2WD:
      1. Remove the 8 bolts and No. 1 oil pan baffle plate.
        GTY104881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for AWD:
      1. Remove the 7 bolts and No. 1 oil pan baffle plate.
        GTY146021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE REAR ENGINE OIL SEAL RETAINER 
    1. Remove the 6 bolts.
      GTY102542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, pry out the rear engine oil seal retainer.
      GTY516043Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
      NOTE:

      Be careful not to damage the rear engine oil seal retainer and cylinder block sub-assembly.

      HINT: 

      Tape the screwdriver tip before use.

  39. REMOVE REAR ENGINE OIL SEAL 
    1. Place the rear engine oil seal retainer on wooden blocks.
      GTY498553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Protective Tape
      NOTE:

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

    2. Using a screwdriver and a hammer, tap out the rear engine oil seal.

      HINT: 

      Tape the screwdriver tip before use.

  40. REMOVE TIMING CHAIN COVER PLATE 

    Refer to PROCEDURE - Step 16

  41. REMOVE ENGINE WATER PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 11

  42. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 28

  43. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL 

    Refer to PROCEDURE - Step 29

  44. SET NO. 1 CYLINDER TO TDC / COMPRESSION 
    1. Temporarily install the crankshaft pulley set bolt.
    2. Set the timing mark on the crank angle sensor plate to the bank 1 cylinder block bore center line (TDC/compression).
      GTY500567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Bank 1 Cylinder Block Center Line
    3. Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing caps as shown in the illustration.

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

      GTY516873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
  45. 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.
      GTY520070Courtesy 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 pin of 1.27 mm (0.0500 in.) diameter into the stopper plate hole.
    3. Remove the 2 bolts and No. 1 chain tensioner assembly.
      GTY104810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE CHAIN TENSIONER SLIPPER 
    1. Remove the chain tensioner slipper.
  47. REMOVE CHAIN SUB-ASSEMBLY 
    1. Turn the crankshaft 10° counterclockwise to loosen the chain sub-assembly around the crankshaft timing gear or sprocket.
      GTY505864Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 10°
      *b Bank 1 Cylinder Block Center Line
      *c Timing Mark
    2. Remove the crankshaft pulley set bolt.
    3. Remove the chain sub-assembly from the crankshaft timing gear or sprocket and place it on the crankshaft.
      GTY102276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Turn the camshaft timing gear assembly on bank 1 clockwise (approximately 60°) as shown in the illustration.

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

      GTY509786Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a for Bank 1
      *b Chain Sub-assembly between Banks
      WARNING:

      As the camshafts may turn suddenly, do not touch the camshafts or camshaft timing gear assemblies.

    5. Remove the chain sub-assembly.
  48. 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.
      GTY467017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE NO. 1 CHAIN VIBRATION DAMPER 
    1. Remove the 2 bolts and No. 1 chain vibration damper.
      GTY145941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. REMOVE NO. 2 CHAIN VIBRATION DAMPER 
    1. Remove the 2 No. 2 chain vibration dampers.
      GTY418990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  51. REMOVE CRANKSHAFT TIMING GEAR OR SPROCKET 
    1. Remove the crankshaft timing gear or sprocket from the crankshaft.
      GTY517976Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Crankshaft Timing Gear Key
      NOTE:

      Be careful not to drop the crankshaft timing gear keys.

  52. REMOVE CRANKSHAFT TIMING GEAR KEY 
    1. Remove the 2 crankshaft timing gear keys from the crankshaft.

      HINT: 

      Tape the screwdriver tip before use.

      GTY495686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
  53. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1) 

    Refer to PROCEDURE - Step 6

  54. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 7

  55. REMOVE CAMSHAFT BEARING CAP (for Bank 1) 

    Refer to PROCEDURE - Step 8

  56. REMOVE CAMSHAFT 

    Refer to PROCEDURE - Step 9

  57. REMOVE NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 10

  58. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 11

  59. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2) 

    Refer to PROCEDURE - Step 12

  60. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 13

  61. REMOVE CAMSHAFT BEARING CAP (for Bank 2) 

    Refer to PROCEDURE - Step 14

  62. REMOVE NO. 3 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  63. REMOVE NO. 4 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16

  64. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 17

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

    Refer to PROCEDURE - Step 20

  66. REMOVE VALVE STEM CAP 

    Refer to PROCEDURE - Step 22

  67. REMOVE VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 21

  68. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 25

  69. REMOVE CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 26

  70. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 27

  71. REMOVE NO. 2 CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 28

  72. REMOVE NO. 5 ENGINE WIRE 
    1. Detach the clamp and remove the No. 5 engine wire.
      GTY409829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  73. REMOVE KNOCK CONTROL SENSOR 

    Refer to PROCEDURE - Step 2

  74. REMOVE WATER OUTLET PIPE SUB-ASSEMBLY 
    1. Remove the 2 bolts and water outlet pipe sub-assembly.
      GTY104468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  75. REMOVE NO. 1 STRAIGHT PIN 
    NOTE:

    It is not necessary to remove the No. 1 straight pins unless they are being replaced.

  76. REMOVE RING PIN 
    NOTE:

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

  77. REMOVE STUD BOLT 
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.

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