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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (M20A-FKS) - Service Information (3 Of 4) >> Engine Unit >> Disassembly [09/2021 - 11/2023] >> Procedure

Disassembly [09/2021 - 11/2023]: Procedure

  1. REMOVE SPARK PLUG 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  2. REMOVE KNOCK CONTROL SENSOR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 2 [11/2022 - ]
  3. REMOVE OIL PRESSURE AND TEMPERATURE SENSOR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  4. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  5. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  6. REMOVE CAM TIMING OIL CONTROL SOLENOID O-RING 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  7. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 16 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 16 [11/2022 - 11/2023]
  8. REMOVE CAM TIMING CONTROL MOTOR O-RING 

    Refer to PROCEDURE - Step 17 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 17 [11/2022 - 11/2023]

  9. REMOVE OIL FILLER CAP ASSEMBLY 
    1. GTY1029239Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE OIL FILLER CAP GASKET 
    1. GTY997263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CRANKSHAFT POSITION SENSOR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 2 [11/2022 - ]
  12. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 

    Refer to PROCEDURE - Step 2

  13. REMOVE VACUUM PUMP ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 8 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 8 [11/2022 - ]
  14. REMOVE CRANKSHAFT PULLEY ASSEMBLY 
    1. GTY1029252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Crankshaft Pulley Bolt - -
      *a Hold *b Turn
      Turn - -
      1. Using SST, hold the crankshaft pulley assembly and loosen the crankshaft pulley bolt. Further loosen the crankshaft pulley bolt until 2 or 3 threads remain screwed into the crankshaft.
        • SST: 09213-54015 
        • SST: 09330-00021 
      2. Using SST and the crankshaft pulley bolt, remove the crankshaft pulley assembly and crankshaft pulley bolt.
        • SST: 09950-50013 
          1. 09951-05010
          2. 09952-05010
          3. 09953-05020
          4. 09954-05070
          5. 09957-04010

        HINT: 

        Apply lubricant to the threads and end of SST.

  15. REMOVE WATER OUTLET 
    1. GTY1029200Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 2 bolts, water outlet and water outlet gasket from the cylinder head sub-assembly.
  16. REMOVE WATER OUTLET GASKET 
    1. GTY1029150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY 
    1. GTY1029107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 3 bolts, water by-pass outlet sub-assembly and water pipe outlet gasket from the cylinder head sub-assembly.
  18. REMOVE WATER OUTLET PIPE GASKET 
    1. GTY1029153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  20. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  21. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. GTY1029098Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 16 bolts and cylinder head cover sub-assembly from the camshaft housing sub-assembly.
      2. Remove the 7 cylinder head cover gaskets from the cylinder head cover sub-assembly.
      3. Remove the camshaft bearing cap oil hole gasket from the No. 1 camshaft bearing cap.
  22. REMOVE SPARK PLUG TUBE GASKET 
    1. GTY1029250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a screwdriver, pry out 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: 

        Tape the screwdriver tip before use.

  23. REMOVE ENGINE MOUNTING BRACKET RH 
    1. GTY1029142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE STRAIGHT SCREW PLUG 
    1. GTY1029174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a 10 mm hexagon wrench, remove the straight screw plug from the No. 2 timing chain cover assembly.
  25. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY 
    1. GTY1029058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 20 bolts.
      2. Remove the No. 2 timing chain cover assembly from the timing chain cover assembly by prying the No. 2 timing chain cover assembly with a screwdriver with its tip wrapped with protective tape.
        NOTE:

        Be careful not to damage the contact surfaces of the No. 2 timing chain cover assembly and timing chain cover assembly.

  26. REMOVE TIMING CHAIN COVER OIL SEAL 
    1. GTY1029195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a screwdriver and wooden block, pry out the timing chain cover oil seal.
        NOTE:

        Do not damage the surface of the timing chain cover oil seal press fit hole.

        HINT: 

        Tape the screwdriver tip before use.

  27. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
    1. GTY1030116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Temporarily install the crankshaft pulley bolt.
    2. GTY1030649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Crankshaft Timing Gear Key - -
      *a Approximately 4.63° *b Approximately 33.07°
      *c Approximately 2.73° *d Timing Mark
      1. Rotate the crankshaft clockwise and align the crankshaft timing gear key as shown in the illustration.
      2. Check that the timing marks on the camshaft timing exhaust gear assembly and camshaft timing gear assembly are as shown in the illustration.
    3. GTY1030117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the crankshaft pulley bolt.

        HINT: 

        As the exhaust camshaft sub-assembly may rotate counterclockwise strongly when the crankshaft pulley bolt is removed, use a wrench to hold the hexagonal portion of the exhaust camshaft sub-assembly.

  28. REMOVE CHAIN TENSIONER PLATE 
    1. GTY1029980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Chain Tensioner Plate *2 Chain Damper Spring
  29. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 
    1. GTY1029308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Oil Pump Drive Chain Sub-assembly *2 Oil Pump Drive Sprocket
      *3 Oil Pump Drive Shaft Sprocket - -
  30. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY 
    1. GTY1029079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Loosen *b Hold
      Turn - -
      1. Hold the hexagonal portion of the exhaust camshaft sub-assembly with a wrench and turn it clockwise to loosen the chain sub-assembly between the camshaft timing exhaust gear assembly and camshaft timing gear assembly.
      2. Using a wrench, hold the hexagonal portion of the intake camshaft sub-assembly.
        NOTE:
        • Be careful not to damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube with the wrench.
        • Do not disassemble the camshaft timing gear assembly.
      3. Using a 10 mm bi-hexagonal wrench, remove the bolt and camshaft timing gear assembly from the intake camshaft sub-assembly.
  31. REMOVE CHAIN SUB-ASSEMBLY 
    1. GTY1029117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE CRANKSHAFT TIMING SPROCKET 
    1. GTY1029739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. GTY1029113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt.
      2. Remove the nut and No. 1 chain tensioner assembly from the timing chain cover assembly.
        NOTE:

        Make sure that the plunger, check ball assembly and spring do not come out.

    2. GTY1029210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Tape *b Plunger
      *c Check ball assembly *d Spring
      *e No. 1 chain tensioner assembly body - -
      1. Use tape to hold the plunger inside the No. 1 chain tensioner assembly.
        NOTE:
        • Make sure that the plunger, check ball assembly and spring do not come out.
        • If the No. 1 chain tensioner assembly comes apart, reinstall the parts as shown in the illustration.
  34. REMOVE CHAIN TENSIONER SLIPPER 
    1. GTY1029235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE NO. 1 CHAIN VIBRATION DAMPER 
    1. GTY1029120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 
    1. GTY1030323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Camshaft Timing Exhaust Gear Assembly *2 Camshaft Timing Oil Control Valve Assembly (Exhaust Camshaft Timing Gear Bolt Assembly)
      1. Using a wrench, hold the hexagonal portion of the exhaust camshaft sub-assembly.
        NOTE:

        Be careful not to damage the camshaft housing sub-assembly, cylinder head sub-assembly or spark plug tube with the wrench.

      2. Using a 5 mm hexagon socket wrench, remove the 3 bolts.
      3. Remove the camshaft timing exhaust gear assembly and camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) from the exhaust camshaft sub-assembly.
  37. REMOVE TIMING CHAIN COVER ASSEMBLY 
    1. GTY1029077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 20 bolts and timing chain cover assembly from the camshaft housing sub-assembly, cylinder head sub-assembly, cylinder block sub-assembly, stiffening crankcase assembly and oil pump assembly.
      2. Remove the timing chain cover assembly by prying between the cylinder head sub-assembly, camshaft housing sub-assembly, cylinder block sub-assembly, oil pump assembly and stiffening crankcase assembly with a screwdriver with its tip wrapped with protective tape.
        NOTE:

        Be careful not to damage the contact surfaces of the cylinder head sub-assembly, camshaft housing sub-assembly, cylinder block sub-assembly, stiffening crankcase assembly, oil pump assembly and timing chain cover assembly.

  38. REMOVE OIL NOZZLE VALVE SUB-ASSEMBLY 
    1. GTY1029540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE CRANKSHAFT TIMING GEAR KEY 
    1. GTY1029186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a screwdriver with its tip wrapped in protective tape, remove the 2 crankshaft timing gear keys from the crankshaft.
  40. REMOVE FUEL PUMP LIFTER GUIDE 
    1. GTY1029145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 2 bolts and fuel pump lifter guide from the No. 4 camshaft bearing cap.
  41. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY 
    1. Fig 1: Camshaft Housing Sub-Assembly Loosening Sequence
      GTY1029256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Uniformly loosen and remove the 17 bolts in the order shown in the illustration.
      2. Using a screwdriver, remove the camshaft housing sub-assembly by prying between the cylinder head sub-assembly and camshaft housing sub-assembly at the places shown in the illustration.
        NOTE:

        Be careful not to damage the contact surfaces of the cylinder head sub-assembly and camshaft housing sub-assembly.

        HINT: 

        Tape the screwdriver tip before use.

  42. REMOVE CAMSHAFT BEARING CAP 
    1. Fig 2: Camshaft Bearing Cap Loosening Sequence
      GTY1029221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Camshaft Bearing Cap *2 No. 2 Camshaft Bearing Cap
      *3 No. 3 Camshaft Bearing Cap *4 No. 4 Camshaft Bearing Cap
      1. Uniformly loosen and remove the 9 bolts in the order shown in the illustration.
      2. Remove the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap, 2 No. 3 camshaft bearing caps and No. 4 camshaft bearing cap from the camshaft housing sub-assembly.

        HINT: 

        Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  43. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY 
    1. GTY1029237Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY 
    1. GTY1029125Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 
    1. GTY997271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE VALVE LASH ADJUSTER ASSEMBLY 
    1. GTY998017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. REMOVE VALVE STEM CAP 
    1. GTY998018Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE WATER SEAL PLATE 
    1. GTY1029247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 2 bolts, water seal plate and gasket from the cylinder head sub-assembly.
  49. REMOVE WATER SEAL PLATE GASKET 
    1. GTY1029151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. REMOVE CYLINDER HEAD SUB-ASSEMBLY 
    1. Fig 3: Cylinder Head Sub-Assembly Loosening Sequence
      GTY1029213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Plate Washer - -
      Front of Engine - -
      1. Using a 12 mm socket wrench, uniformly loosen the 10 cylinder head set bolts in the order shown in the illustration. Remove the 10 cylinder head set bolts and 6 plate washers.
        NOTE:
        • Be careful not to drop the plate washers into the cylinder head sub-assembly.
        • Warpage or cracking of the cylinder head sub-assembly may result from removing the cylinder head set bolts in the incorrect order.

        HINT: 

        Arrange the removed parts in such a way that they can be reinstalled to their original locations.

      2. Remove the cylinder head sub-assembly from the cylinder block sub-assembly.
  51. REMOVE CYLINDER HEAD GASKET 

    Refer to PROCEDURE - Step 91 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 91 [11/2022 - 11/2023]

  52. REMOVE CYLINDER BLOCK WATER JACKET SPACER 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Be sure to remove the cylinder block water jacket spacer. If it is not removed, it may fall and become damaged when the cylinder block sub-assembly is inverted.
    1. GTY1029158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE OIL FILTER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 3 [11/2022 - 11/2023]

  54. REMOVE OIL FILTER UNION 
    1. GTY1030619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a 12 mm hexagon socket wrench, remove the oil filter union from the stiffening crankcase assembly.
  55. REMOVE OIL PAN DRAIN PLUG 
    1. GTY1029531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. REMOVE OIL PAN SUB-ASSEMBLY 
    1. GTY1029780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Nut - -
      1. Remove the 10 bolts and 2 nuts.
      2. Insert the blade of an oil pan seal cutter between the oil pan sub-assembly and stiffening crankcase assembly, cut through the applied sealer and remove the oil pan sub-assembly.
        NOTE:
        • Be careful not to damage the contact surfaces of the stiffening crankcase assembly and oil pan sub-assembly.
        • Be careful not to damage the oil pan sub-assembly flange.
  57. REMOVE OIL STRAINER SUB-ASSEMBLY 
    1. GTY1029942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt, oil strainer sub-assembly and oil strainer gasket from the stiffening crankcase assembly.
  58. REMOVE ENGINE OIL LEVEL SENSOR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 4
  59. REMOVE OIL PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 4 [09/2021 - 11/2022] , or refer to PROCEDURE - Step 4 [11/2022 - ]

  60. REMOVE STIFFENING CRANKCASE ASSEMBLY 
    1. GTY1030463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 10 bolts.
      2. Using a screwdriver, remove the stiffening crankcase assembly by prying between the stiffening crankcase assembly and cylinder block sub-assembly at the places shown in the illustration.
        NOTE:

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

        HINT: 

        Tape the screwdriver tip before use.

  61. REMOVE STRAIGHT SCREW PLUG 
    1. GTY1029828Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a 10 mm hexagon socket wrench, remove the straight screw plug and gasket from the stiffening crankcase assembly.
  62. REMOVE REAR ENGINE OIL SEAL 
    1. GTY1029245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  63. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1030518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  64. REMOVE STUD BOLT 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    If a stud bolt is deformed or its threads are damaged, replace it.
    1. GTY1030646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  65. REMOVE RING PIN 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    It is not necessary to remove the ring pins unless they are being replaced.
    1. GTY1029536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  66. REMOVE STRAIGHT PIN 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    It is not necessary to remove the straight pins unless they are being replaced.
    1. GTY1029582Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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