ENGINE UNIT DISASSEMBLY

PROCEDURE


  1. REMOVE OIL FILLER CAP SUB-ASSEMBLY


    1. A01LW0C

      Remove the oil filler cap sub-assembly from the cylinder head cover sub-assembly.

  2. REMOVE OIL FILLER CAP GASKET


    1. A01LXAHC01
      *a Protective Tape

      Using a screwdriver with its tip wrapped with protective tape, remove the oil filler cap gasket from the oil filler cap sub-assembly.

  3. REMOVE SPARK PLUG

    Click here

  4. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)

    Click here

  5. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)

    Click here

  6. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side)

    Click here

  7. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side)

    Click here

  8. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE


    1. Remove the engine oil level dipstick from the engine oil level dipstick guide.

    2. A01LYLU

      Remove the bolt and engine oil level dipstick guide from the camshaft housing sub-assembly.

    3. Remove the engine oil level dipstick guide O-ring from the engine oil level dipstick guide.

  9. REMOVE GENERATOR BRACKET


    1. A01M0KC

      Remove the bolt and generator bracket from the cylinder block sub-assembly.

  10. REMOVE KNOCK CONTROL SENSOR

    Click here

  11. REMOVE CRANKSHAFT POSITION SENSOR

    Click here

  12. REMOVE ENGINE OIL TEMPERATURE SENSOR

    Click here

  13. REMOVE OIL PRESSURE SENDER GAUGE ASSEMBLY

    Click here

  14. REMOVE OIL PRESSURE SWITCHING VALVE ASSEMBLY

    Click here

  15. REMOVE OIL PUMP RELIEF VALVE HOUSING ASSEMBLY


    1. A01LVC0C01
      *1 Oil Pump Relief Valve Hosing Assembly
      *2 Oil Regulator Body Gasket
      *a Bolt

      Remove the 2 bolts, oil pump relief valve hosing assembly and oil regulator body gasket from the cylinder block sub-assembly.

  16. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY


    1. A01M0GK

      Remove the cover joint from the cylinder head cover sub-assembly.

    2. A01LV23C01
      *1 Cylinder Head Cover Seal Washer

      Remove the 17 bolts, 2 cylinder head cover seal washers, and cylinder head cover sub-assembly from the camshaft housing sub-assembly.

    3. A01LXL7

      Remove the 3 gaskets from the camshaft bearing cap.

      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.

  17. REMOVE CYLINDER HEAD COVER GASKET


    1. A01LWNR

      Remove the cylinder head cover gasket from the cylinder head cover sub-assembly.

  18. REMOVE SPARK PLUG TUBE GASKET


    1. A01LYF6

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

  19. REMOVE OIL FILTER SUB-ASSEMBLY

    Click here

  20. REMOVE OIL FILTER UNION


    1. A01LYKB

      Using a 12 mm hexagon socket wrench, remove the oil filter union from the timing chain cover assembly.

  21. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. A01LY5LC02
      *a Timing Mark (TDC)
      *b Cutout
      *c Timing Mark

      Turn the crankshaft pulley until its cutout is aligned with the timing mark (TDC) of the timing chain cover assembly.

    2. Check that the timing marks on both the camshaft timing exhaust gear assembly and camshaft timing gear assembly are facing upward as shown in the illustration.

      Tech Tips

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

  22. REMOVE CRANKSHAFT PULLEY

    Click here

  23. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

    Click here

  24. REMOVE NO. 2 WATER INLET HOUSING GASKET

    Click here

  25. REMOVE STUD BOLT

    Note

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


    1. A01M2ZI

      Remove the stud bolt from the engine mounting bracket RH.

  26. REMOVE ENGINE MOUNTING BRACKET RH


    1. A01M38L

      Remove the 3 bolts and engine mounting bracket RH from the timing chain cover assembly.

  27. REMOVE ENGINE WATER PUMP ASSEMBLY

    Click here

  28. REMOVE TIMING CHAIN COVER ASSEMBLY


    1. A01M3C6

      Remove the 17 bolts from the timing chain cover assembly.

    2. A01LX6TC01
      *a Protective Tape

      Remove the timing chain cover assembly by prying between the timing chain cover assembly and cylinder head sub-assembly, camshaft housing sub-assembly, cylinder block sub-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 and timing chain cover assembly.

  29. REMOVE TIMING CHAIN COVER OIL SEAL


    1. A01LX8LC01
      *a Protective Tape
      *b Wooden Block

      Place the timing chain cover assembly on wooden blocks.

    2. Using a hammer and a screwdriver with its tip wrapped with protective tape, tap out the timing chain cover oil seal.

      Note

      Be careful not to damage the timing chain cover assembly.

  30. REMOVE WATER INLET PIPE


    1. A01M249

      Remove the water inlet pipe from the water inlet.

    2. Remove the 2 water inlet O-rings from the water inlet pipe.

  31. REMOVE WATER INLET

    Click here

  32. REMOVE THERMOSTAT (for Cylinder Block)

    Click here

  33. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. A01M02GC01
      *a Stopper Plate
      *b Plunger
      A01LZQW Push

      Turn the stopper plate of the No. 1 chain tensioner assembly counterclockwise to release the lock and push in the plunger.

    2. A01M0RPC02
      *a Pin

      Turn the stopper plate clockwise to set the lock, and insert a pin into the stopper plate hole.

    3. A01LY90

      Remove the 2 bolts and No. 1 chain tensioner assembly from the cylinder head sub-assembly.

  34. REMOVE CHAIN TENSIONER SLIPPER


    1. A01LY8O

      Remove the chain tensioner slipper from the cylinder block sub-assembly.

  35. REMOVE TIMING CHAIN GUIDE


    1. A01M1M7

      Remove the 2 bolts and timing chain guide from the cylinder block sub-assembly and cylinder head sub-assembly.

  36. REMOVE CHAIN SUB-ASSEMBLY

    Click here

  37. REMOVE CRANKSHAFT TIMING SPROCKET


    1. A01M020

      Remove the crankshaft timing sprocket from the crankshaft.

  38. REMOVE NO. 2 CHAIN SUB-ASSEMBLY


    1. Temporarily install the crankshaft pulley with the crankshaft pulley set bolt.

    2. A01LZFKN01

      Using SST, hold the crankshaft pulley. Then remove the oil pump drive shaft gear nut.

      SST
      09213-70011   ( 09213-70020 )
      09330-00021

    3. Remove SST, the crankshaft pulley set bolt and crankshaft pulley.

    4. A01LX28C01
      *1 Chain Tensioner Plate
      *2 Chain Damper Spring
      *a Bolt

      Remove the bolt, chain tensioner plate and chain damper spring.

    5. A01M2V4C01
      *1 Oil Pump Drive Gear
      *2 Oil Pump Drive Shaft Gear
      *3 No. 2 Chain Sub-assembly

      Remove the oil pump drive gear, oil pump drive shaft gear and No. 2 chain sub-assembly.

  39. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY


    1. A01LX1FC01
      *a Camshaft Timing Gear Bolt (for Intake Side)

      Remove the camshaft timing gear bolt (for intake side) while holding the hexagonal portion of the camshaft, and then remove the camshaft timing gear assembly.

      Note


      • If the camshaft timing gear bolt (for intake side) has been struck or dropped, replace it.

      • Keep the camshaft timing gear assembly horizontal while removing it from the camshaft.

      • Do not disassemble the camshaft timing gear assembly.

  40. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY


    1. A01M0WDC01
      *a Camshaft Timing Gear Bolt (for Exhaust Side)

      Remove the camshaft timing gear bolt (for exhaust side) while holding the hexagonal portion of the No. 2 camshaft, and then remove the camshaft timing exhaust gear assembly.

      Note


      • If the camshaft timing gear bolt (for exhaust side) has been struck or dropped, replace it.

      • Keep the camshaft timing exhaust gear assembly horizontal while removing it from the No. 2 camshaft.

      • Do not disassemble the camshaft timing exhaust gear assembly.

  41. REMOVE CAMSHAFT BEARING CAP


    1. A01LVCTN01

      Uniformly loosen and remove the 22 bolts in the order shown in the illustration.

      Note

      Make sure that the camshaft and No. 2 camshaft remain level while uniformly loosening the bolts.

    2. Remove the 5 camshaft bearing caps from the camshaft housing sub-assembly.

      Tech Tips

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

  42. REMOVE CAMSHAFT

    Click here

  43. REMOVE NO. 2 CAMSHAFT

    Click here

  44. REMOVE OIL CONTROL VALVE FILTER


    1. A01LZB1

      Remove the oil control valve filter from the camshaft housing sub-assembly.

  45. REMOVE WATER VALVE


    1. A01LZO7

      Remove the bolt to disconnect the water valve from the camshaft housing sub-assembly.

    2. Slide the clip and remove the water valve from the No. 7 water by-pass hose.

  46. REMOVE NO. 7 WATER BY-PASS HOSE


    1. A01M271

      Slide the clip and remove the No. 7 water by-pass hose from the water outlet.

  47. REMOVE NO. 5 ENGINE WIRE


    1. A01LZYK

      Disconnect the engine coolant temperature sensor connector.

    2. Disengage the wire harness clamp and remove the No. 5 engine wire from the water outlet.

  48. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

    Click here

  49. REMOVE WATER OUTLET


    1. A01LWDT

      Remove the 3 bolts and water outlet from the cylinder head sub-assembly.

  50. REMOVE WATER OUTLET GASKET


    1. A01LZJR

      Remove the water outlet gasket from the water outlet.

  51. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

    Click here

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


    1. A01M0RI

      Remove the 16 No. 1 valve rocker arm sub-assemblies from the cylinder head sub-assembly.

      Tech Tips

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

  53. REMOVE VALVE LASH ADJUSTER ASSEMBLY


    1. A01LWMU

      Remove the 16 valve lash adjuster assemblies from the cylinder head sub-assembly.

      Tech Tips

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

  54. REMOVE VALVE STEM CAP


    1. A01LYMK

      Remove the 16 valve stem caps from the cylinder head sub-assembly.

      Tech Tips

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

  55. REMOVE CYLINDER HEAD SUB-ASSEMBLY


    1. A01LWEDN01

      Using a 10 mm bi-hexagon socket wrench, uniformly loosen and remove the 10 cylinder head set bolts and 10 cylinder head set plate washers in several steps in the order shown in the illustration.

      Note


      • Do not drop the cylinder head set plate washers into the cylinder head sub-assembly.

      • Removing the cylinder head set bolts in the incorrect order may cause warpage or cracking of the cylinder head sub-assembly.

      Tech Tips

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

    2. Remove the cylinder head sub-assembly.

  56. REMOVE CYLINDER HEAD GASKET

    Click here

  57. REMOVE OIL PAN DRAIN PLUG


    1. A01LZ7F

      Remove the oil pan drain plug and oil pan drain plug gasket from the No. 2 oil pan sub-assembly.

  58. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY


    1. A01LZ4G

      Remove the 10 bolts and 2 nuts from the No. 2 oil pan sub-assembly.

    2. A01LYQZ

      Insert the blade of an oil pan seal cutter between the stiffening crankcase assembly and No. 2 oil pan sub-assembly. Cut through the applied sealer and remove the No. 2 oil pan sub-assembly.

      Note


      • Be careful not to damage the surface of the No. 2 oil pan sub-assembly which contacts the stiffening crankcase assembly.

      • Be careful not to damage the flange of the stiffening crankcase assembly.

  59. REMOVE STUD BOLT

    Note

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


    1. A01LYI3

      Using an E6 "TORX" socket wrench, remove the 2 stud bolts from the stiffening crankcase assembly.

  60. REMOVE OIL PUMP ASSEMBLY

    Click here

  61. REMOVE ENGINE OIL LEVEL SENSOR

    Click here

  62. REMOVE SENSOR BRACKET


    1. A01LVUM

      Remove the 2 bolts and sensor bracket from the stiffening crankcase assembly.

  63. REMOVE STIFFENING CRANKCASE ASSEMBLY


    1. A01LX4A

      Uniformly loosen and remove the 10 bolts from the stiffening crankcase assembly.

    2. A01LYISC01
      *a Protective Tape

      Remove the stiffening crankcase assembly by prying between the stiffening crankcase assembly and cylinder block sub-assembly with a screwdriver with its tip wrapped with protective tape.

      Note

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

  64. REMOVE REAR ENGINE OIL SEAL


    1. A01M03I

      Remove the rear engine oil seal from the cylinder block sub-assembly.

      Note

      Be careful not to damage the crankshaft.

  65. REMOVE CAMSHAFT BEARING CAP SETTING RING PIN

    Tech Tips

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


    1. A01M0OEC01
      *a Camshaft Housing Sub-assembly Top Side

      Remove the 10 camshaft bearing cap setting ring pins from the camshaft housing sub-assembly.