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Home >> Toyota >> 2021 >> C-HR XLE >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (2 Of 2) >> Engine Unit >> Disassembly [02/2017 - 10/2017] >> Procedure

Disassembly [02/2017 - 10/2017]: Procedure

  1. REMOVE OIL FILLER CAP SUB-ASSEMBLY 
    1. Remove the oil filler cap sub-assembly from the cylinder head cover sub-assembly.
      GTY432583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE OIL FILLER CAP GASKET 
    1. Remove the oil filler cap gasket from the oil filler cap sub-assembly.
      GTY288028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ENGINE COVER JOINT 
    1. Remove the 2 engine cover joints.
      GTY432584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE SPARK PLUG 

    Refer to PROCEDURE - Step 3

  5. REMOVE CAMSHAFT POSITION SENSOR 
  6. REMOVE VALVEMATIC SHAFT SENSOR (CAMSHAFT POSITION SENSOR) 

    Refer to PROCEDURE - Step 2

  7. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
  8. REMOVE CRANKSHAFT POSITION SENSOR 

    Refer to PROCEDURE - Step 3

  9. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY 

    Refer to PROCEDURE - Step 2

  10. REMOVE KNOCK SENSOR 

    Refer to PROCEDURE - Step 2

  11. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to PROCEDURE - Step 7

  12. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Remove the 13 bolts, seal washer and cylinder head cover sub-assembly.
      GTY452313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 gaskets from the camshaft bearing cap.
      GTY429204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      As gaskets may stick to the cylinder head cover sub-assembly, be careful not to drop any of the gaskets into the engine when removing the cylinder head cover sub-assembly.

  13. REMOVE CYLINDER HEAD COVER GASKET 
    1. Remove the cylinder head cover gasket.
      GTY434674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE SPARK PLUG TUBE GASKET 
    1. Pry up the 4 claws of the ventilation baffle plate.
      GTY434683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

    2. Remove the 4 spark plug tube gaskets from the cylinder head cover sub-assembly.
      NOTE:

      Be careful not to damage the cylinder head cover sub-assembly.

      HINT: 

      Prevent the spark plug tube gaskets from being deformed as much as possible. The removed spark plug tube gaskets will be used when installing new spark plug tube gaskets.

  15. REMOVE OIL FILTER 

    Refer to PROCEDURE - Step 3

  16. REMOVE OIL FILTER BRACKET CLIP (for Oil Filter Element Kit Type) 
    1. Remove the oil filter bracket clip from the oil filter bracket.
      GTY589940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE OIL FILTER UNION (for Oil Filter Sub-assembly Type) 
    GTY718990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a 12 mm hexagon socket wrench, remove the oil filter union from the oil filter bracket.
  18. SET NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Turn the crankshaft pulley until its timing notch and timing mark "0" of the timing chain cover sub-assembly are aligned.
      GTY435931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Timing Notch
    2. Check that timing marks on both the camshaft timing exhaust gear assembly and camshaft timing gear assembly are facing upward as shown in the illustration.

      HINT: 

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

  19. REMOVE CRANKSHAFT PULLEY 

    Refer to PROCEDURE - Step 6

  20. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. Remove the 2 nuts, bracket, No. 1 chain tensioner assembly and gasket.
      GTY741049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not turn the crankshaft without the No. 1 chain tensioner assembly installed.

  21. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 33

  22. REMOVE TIMING CHAIN COVER OIL SEAL 

    Refer to PROCEDURE - Step 34

  23. REMOVE WATER INLET HOUSING 
    1. Remove the 3 bolts, water inlet housing and gasket.
      GTY455906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE NO. 1 GENERATOR BRACKET 
    1. Remove the 4 bolts and No. 1 generator bracket.
      GTY765099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE CHAIN TENSIONER SLIPPER 
    1. Remove the chain tensioner slipper from the cylinder block sub-assembly.
      GTY426617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE NO. 1 CHAIN VIBRATION DAMPER 
    1. Remove the 2 bolts and No. 1 chain vibration damper.
      GTY429203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE CHAIN SUB-ASSEMBLY 
    1. Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly counterclockwise to loosen the chain sub-assembly between the camshaft timing exhaust gear assembly and camshaft timing gear assembly.
      GTY429205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. With the chain sub-assembly loosened, release the chain sub-assembly from the camshaft timing gear assembly and place it on the camshaft timing gear assembly.

      HINT: 

      Be sure to release the chain sub-assembly from the sprocket completely.

    3. Turn the camshaft clockwise to return it to the original position and remove the chain sub-assembly.
  28. REMOVE CRANKSHAFT TIMING SPROCKET 

    Refer to PROCEDURE - Step 38

  29. REMOVE NO. 2 CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 39

  30. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE 
    1. Remove the No. 1 crankshaft position sensor plate.
      GTY449127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE CRANKSHAFT TIMING GEAR KEY 
    1. Using a screwdriver, remove the 2 crankshaft timing gear keys.
      GTY752486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

  32. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 2

  33. INSPECT CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 3

  34. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 4

  35. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 5

  36. REMOVE VALVE ROCKER ARM LOST MOTION DAMPER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  37. INSTALL VALVE ROCKER ARM LOST MOTION DAMPER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  38. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8

  39. REMOVE CONTINUOUSLY VARIABLE VALVE LIFT CONTROLLER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  40. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 
    1. Remove the 16 No. 1 valve rocker arm sub-assemblies.
      GTY451833Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Arrange the removed parts in the correct order.

  41. REMOVE VALVE LASH ADJUSTER ASSEMBLY 
    1. Remove the 16 valve lash adjuster assemblies.
      GTY430399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Arrange the removed parts in the correct order.

  42. REMOVE VALVE STEM CAP 
    1. Remove the 16 valve stem caps.
      GTY190795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Arrange the removed parts in the correct order.

  43. REMOVE CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  44. REMOVE CAMSHAFT HOUSING STRAIGHT PIN 
    NOTE:

    It is not necessary to remove a camshaft housing straight pin unless it is being replaced.

  45. REMOVE CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 5

  46. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 3

  47. REMOVE OIL PAN DRAIN PLUG 
    1. Remove the oil pan drain plug and gasket.
      GTY449115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 40

  49. REMOVE OIL PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 41

  50. REMOVE REAR ENGINE OIL SEAL 

    Refer to PROCEDURE - Step 3

  51. REMOVE STIFFENING CRANKCASE ASSEMBLY 
    1. Uniformly loosen and remove the 11 bolts.
      GTY164808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, remove the stiffening crankcase assembly by prying between the stiffening crankcase assembly and cylinder block sub-assembly.
      NOTE:

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

      HINT: 

      Tape the screwdriver tip before use.

      GTY453051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
  52. REMOVE NO. 1 TAPER SCREW PLUG 
    1. Remove the 2 No. 1 taper screw plugs.
      GTY293412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE STUD BOLT 
    NOTE:

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

  54. REMOVE STIFFENING CRANKCASE RING PIN 
    NOTE:

    It is not necessary to remove stiffening crankcase ring pins unless it is being replaced.

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