ENGINE UNIT DISASSEMBLY


  1. REMOVE OIL FILLER CAP SUB-ASSEMBLY


    1. Remove the oil filler cap sub-assembly and oil filler gasket.

  2. REMOVE SPARK PLUG


    1. A01NEXT

      Remove the 6 spark plugs.

  3. REMOVE OIL PAN DRAIN PLUG


    1. A01NG00

      Remove the oil pan drain plug and oil pan drain plug gasket.

  4. REMOVE VENTILATION VALVE SUB-ASSEMBLY


    1. A01NHT8

      Remove the ventilation valve sub-assembly.

  5. REMOVE VVT SENSOR (for Bank 2)


    1. Disconnect the sensor connector.

    2. A01NG0U

      Remove the bolt and sensor.

  6. REMOVE VVT SENSOR (for Bank 1)


    1. Disconnect the sensor connector.

    2. A01NGMP

      Remove the bolt and sensor.

  7. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2)


    1. A01NFVE

      Disconnect the camshaft timing oil control valve assembly connector.

    2. Remove the bolt and camshaft timing oil control valve assembly.

    3. A01NGP2E01
      Text in Illustration
      *1 O-ring

      Remove the O-ring from the camshaft timing oil control valve assembly.

  8. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1)


    1. A01NGNI

      Disconnect the camshaft timing oil control valve assembly connector.

    2. Remove the bolt and camshaft timing oil control valve assembly.

    3. A01NGP2E01
      Text in Illustration
      *1 O-ring

      Remove the O-ring from the camshaft timing oil control valve assembly.

  9. REMOVE CRANK POSITION SENSOR


    1. A01NF7L

      Disconnect the crank position sensor connector.

    2. Remove the bolt and crank position sensor.

  10. REMOVE NO. 1 OIL PIPE


    1. A01NFXWE02
      Text in Illustration
      *1 Oil Pipe Union

      Remove the 2 oil pipe unions, gaskets and No. 1 oil pipe.

    2. Remove the oil control valve filter LH and gaskets.

  11. REMOVE OIL PIPE


    1. A01NCYXE04
      Text in Illustration
      *1 Oil Pipe Union
      *2 Bolt

      Remove the bolt.

    2. Remove the 2 oil pipe unions and oil pipe.

    3. Remove the oil control valve filter RH and gaskets.

  12. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY


    1. A01NGLIE06

      Remove the 2 cylinder block water drain cock sub-assemblies from the cylinder block.

    2. Remove the 2 cylinder block water drain cock plugs from the 2 water drain cock sub-assemblies.

  13. REMOVE OIL FILTER ELEMENT


    1. A01NGFR

      Remove the drain plug.

      Note

      Do not remove the O-ring from the oil filter cap.

    2. A01NEVJE05
      Text in Illustration
      *1 Pipe
      *2 Hose
      *3 O-ring

      Connect the hose to the pipe.

    3. Insert the pipe with the hose into the oil filter cap.

    4. Make sure that the oil is completely drained and remove the pipe and O-ring.

    5. A01NFLOE01

      Using SST, remove the oil filter cap sub-assembly.

      SST
      09228-06501
    6. A01NFPDE12
      Text in Illustration
      *1 Oil Filter Element
      *2 O-ring

      Remove the oil filter element and O-ring from the oil filter cap sub-assembly.

      Note

      Do not use any tools when removing the O-ring to prevent the O-ring groove from being damaged.

  14. REMOVE CRANKSHAFT PULLEY


    1. A01NCUIE02
      Text in Illustration
      *1 Hold
      *2 Turn

      Using SST, loosen the crankshaft pulley bolt.

      SST
      09213-70011   ( 09213-70020 )
      09330-00021
    2. A01NCXBE03
      Text in Illustration
      *1 Hold
      *2 Turn

      Using SST, remove the crankshaft pulley bolt and crankshaft pulley.

      SST
      09950-50013   ( 09951-05010, 09952-05010, 09953-05020, 09954-05021 )

  15. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE


    1. A01NFWB

      Remove the bolt and engine oil level dipstick guide.

    2. A01NFF3

      Remove the O-ring.

  16. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH


    1. A01NGQC

      Remove the 6 bolts and front No. 1 engine mounting bracket LH.

    2. Using an E8 "TORX" socket wrench, remove the 2 stud bolts.

  17. REMOVE INLET WATER HOUSING


    1. A01NEUE

      Remove the 2 nuts, inlet water and thermostat.

    2. Remove the gasket.

    3. Remove the 2 stud bolts.

    4. Separate the No. 1 water by-pass hose from the inlet water housing.

    5. A01NFILE01
      Text in Illustration
      *1 Bolt
      *2 Nut

      Remove the drain cock plug.

    6. Remove the drain cock assembly.

    7. Remove the 2 bolts, nut and inlet water housing.

    8. A01NFOP

      Remove the 2 O-rings.

  18. REMOVE OUTLET WATER


    1. A01NF71E01
      Text in Illustration
      *1 Nut
      *2 Bolt

      Remove the 2 bolts, 4 nuts and outlet water.

    2. A01NHY8

      Remove the 2 gaskets and O-ring.

  19. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY


    1. A01NFHN

      Remove the 12 bolts, seal washer, cylinder head cover sub-assembly and cylinder head cover gasket.

    2. A01NEIA

      Remove the 3 gaskets.

  20. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH


    1. A01NEA6E01
      Text in Illustration
      *1 Baffle Plate

      Remove the 12 bolts, seal washer, cylinder head cover sub-assembly LH and cylinder head cover gasket.

      Note

      The baffle plate is located on the back of the portion shown in the illustration. Do not damage the baffle plate when removing the cylinder head cover sub-assembly LH.

    2. A01NGQQ

      Remove the 3 gaskets.

  21. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY


    1. A01NFY8E02
      Text in Illustration
      *1 Nut

      Remove the 16 bolts and 2 nuts.

    2. A01NG1T

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

      Note

      Be careful not to damage the contact surfaces of the oil pans.

    3. Using an E6 "TORX" socket wrench, remove the 2 stud bolts.

  22. REMOVE OIL STRAINER SUB-ASSEMBLY


    1. A01NDU5E03
      Text in Illustration
      *1 Bolt
      *2 Nut

      Remove the bolt, 2 nuts, oil strainer sub-assembly and gasket.

    2. Using an E6 "TORX" socket wrench, remove the 2 stud bolts.

  23. REMOVE OIL PAN SUB-ASSEMBLY


    1. A01NHIXE03
      Text in Illustration
      *1 Nut

      Remove the 16 bolts and 2 nuts.

      Tech Tips

      Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.

    2. A01NEYNE02
      Text in Illustration
      *1 Protective Tape

      Remove the oil pan sub-assembly by prying between the oil pan sub-assembly and cylinder block sub-assembly with a screwdriver.

      Note

      Be careful not to damage the contact surfaces of the cylinder block and oil pan.

      Tech Tips

      Tape the screwdriver tip before use.

    3. A01NGEH

      Remove the 2 O-rings.

    4. Using an E8 "TORX" socket wrench, remove the 2 stud bolts.

  24. REMOVE NO. 1 OIL PAN BAFFLE PLATE


    1. A01NH9A

      Remove the 7 bolts and No. 1 oil pan baffle plate.

  25. REMOVE REAR ENGINE OIL SEAL RETAINER


    1. A01NHGO

      Remove the 6 bolts.

    2. A01NCRSE01

      Using a screwdriver, pry out the rear engine oil seal retainer.

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  26. REMOVE REAR ENGINE OIL SEAL


    1. A01NEUOE06
      Text in Illustration
      *1 Wooden Block
      *2 Protective Tape

      Place the rear engine oil seal retainer on wooden blocks.

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

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  27. REMOVE ENGINE WATER PUMP ASSEMBLY


    1. A01NHKD

      Remove the 16 bolts, engine water pump assembly and water pump gasket.

  28. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY


    1. A01NDJ5E01
      Text in Illustration
      *1 Nut

      Remove the 15 bolts and 2 nuts as shown in the illustration.

    2. A01NE25E01
      Text in Illustration
      *1 Protective Tape

      Remove the timing chain cover sub-assembly by prying between the timing chain cover and cylinder head sub-assembly or cylinder block sub-assembly with a screwdriver.

      Note

      Be careful not to damage the contact surfaces of the cylinder head, cylinder block and chain cover.

      Tech Tips

      Tape the screwdriver tip before use.

    3. Remove the 4 bolts, chain cover plate and chain cover plate gasket.

    4. A01NDT4

      Remove the gasket.

  29. REMOVE TIMING CHAIN CASE OIL SEAL


    1. A01NGECE02
      Text in Illustration
      *1 Protective Tape
      *2 Wooden Block

      Using a screwdriver, pry out the timing chain case oil seal.

      Tech Tips

      Tape the screwdriver tip before use.

  30. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. Temporarily tighten the pulley set bolt.

    2. A01NEW7E01
      Text in Illustration
      *1 Center Line
      *2 Timing Mark
      *3 Sensor Plate

      Turn the crankshaft clockwise to align the timing mark on the crank angle sensor plate with the RH block bore center line (TDC/compression).

    3. Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing cap as shown in the illustration.

      A01ND1UE01
      Text in Illustration
      *1 Timing Mark - -

      Tech Tips

      For the intake camshaft:

      Be sure to check mark A at the point when marks B, C, and D are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.

      A01NGKIE01

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

  31. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. A01NHRWE03
      Text in Illustration
      *1 Plunger
      *2 Stopper Plate
      *3 Pin

      Move the stopper plate upward to release the lock, and push the plunger deep into the tensioner.

    2. Move the stopper plate downward to set the lock, and insert a pin of 1.27 mm diameter (0.0500 in.) into the stopper plate hole.

    3. A01NDO4

      Remove the 2 bolts and No. 1 chain tensioner assembly.

  32. REMOVE CHAIN TENSIONER SLIPPER


    1. Remove the chain tensioner slipper.

  33. REMOVE CHAIN SUB-ASSEMBLY


    1. A01NDYKE01

      Turn the crankshaft counterclockwise 10° to loosen the chain of the crankshaft timing sprocket.

    2. Remove the pulley set bolt.

    3. A01NCPF

      Remove the chain sub-assembly from the crankshaft timing sprocket and place it on the crankshaft.

    4. A01NEHOE01

      Turn the camshaft timing gear assembly on bank 1 clockwise (approximately 60°) and set it as shown in the illustration. Be sure to loosen the chain sub-assembly between the banks.

    5. Remove the chain sub-assembly.

  34. REMOVE IDLE SPROCKET ASSEMBLY


    1. A01NEBV

      Using a 10 mm hexagon wrench, remove the No. 2 idle gear shaft, idle sprocket assembly and No. 1 idle gear shaft.

  35. REMOVE NO. 1 CHAIN VIBRATION DAMPER


    1. A01NER3

      Remove the 2 bolts and No. 1 chain vibration damper.

  36. REMOVE NO. 2 CHAIN VIBRATION DAMPER


    1. Remove the 2 No. 2 chain vibration dampers.

  37. REMOVE CRANKSHAFT TIMING SPROCKET


    1. A01NFG8

      Remove the crankshaft timing sprocket from the crankshaft.

    2. Remove the 2 keys from the crankshaft.

  38. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)


    1. A01NCOJE02
      Text in Illustration
      *1 Plunger
      *2 Pin

      While raising the No. 2 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold the No. 2 chain tensioner assembly.

    2. A01NFUBE01
      Text in Illustration
      *1 Hold
      *2 Turn

      Using SST to hold the hexagonal portion of each camshaft, loosen the bolts of the camshaft timing gear assembly and the camshaft timing sprocket.

      SST
      09922-10010

      Note

      Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    3. Remove the 2 bolts and the camshaft timing gear assembly together with the No. 2 chain.

  39. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY


    1. A01NCLQ

      Remove the bolt and No. 2 chain tensioner assembly.

  40. REMOVE CAMSHAFT BEARING CAP (for Bank 1)


    1. A01NGM5E02
      Text in Illustration
      *1 Knock Pin
      *2 Camshaft

      Check that the camshafts are positioned as shown in the illustration.

    2. A01NGZQE01

      Uniformly loosen and remove the 8 bearing cap bolts in several steps and in the sequence shown in the illustration.

    3. A01NFSNE01

      Uniformly loosen and remove the 12 bearing cap bolts in several steps and in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

      Tech Tips

      Arrange the removed parts in the correct order.

    4. Remove the 5 camshaft bearing caps.

  41. REMOVE CAMSHAFT


    1. Remove the camshaft.

  42. REMOVE NO. 2 CAMSHAFT


    1. Remove the No. 2 camshaft.

  43. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH


    1. A01NHU3E02
      Text in Illustration
      *1 Protective Tape

      Remove the camshaft housing sub-assembly RH by prying between the cylinder head and camshaft housing sub-assembly RH with a screwdriver.

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  44. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)


    1. A01ND8QE03
      Text in Illustration
      *1 Plunger
      *2 Pin

      While pushing down the No. 3 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold the No. 3 chain tensioner assembly.

    2. A01NDLXE03
      Text in Illustration
      *1 Hold
      *2 Turn

      Using SST to hold the hexagonal portion of each camshaft, loosen the bolts of the camshaft timing gear assembly and the camshaft timing sprocket.

      SST
      09922-10010

      Note

      Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    3. Remove the 2 bolts and the camshaft timing gear together with the No. 2 chain.

  45. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY


    1. A01NDB8

      Remove the bolt and No. 3 chain tensioner assembly.

  46. REMOVE CAMSHAFT BEARING CAP (for Bank 2)


    1. A01NCVYE02
      Text in Illustration
      *1 Knock Pin
      *2 Camshaft

      Check that the camshafts are positioned as shown in the illustration.

    2. A01NFYBE01

      Uniformly loosen and remove the 8 bearing cap bolts in several steps and in the sequence shown in the illustration.

    3. A01NFOLE01

      Uniformly loosen and remove the 13 bearing cap bolts in several steps and in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

      Tech Tips

      Arrange the removed parts in the correct order.

    4. Remove the 5 camshaft bearing caps.

  47. REMOVE NO. 3 CAMSHAFT


    1. Remove the No. 3 camshaft sub-assembly.

  48. REMOVE NO. 4 CAMSHAFT


    1. Remove the No. 4 camshaft sub-assembly.

  49. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH


    1. A01NHWME02
      Text in Illustration
      *1 Protective Tape

      Remove the camshaft housing sub-assembly LH by prying between the cylinder head and camshaft housing sub-assembly LH with a screwdriver.

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

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


    1. A01NF3LE01
      Text in Illustration
      *A Type A
      *B Type B
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem
      *4 Valve Stem Cap

      Remove the 24 No. 1 valve rocker arms sub-assemblies.

      Tech Tips

      Arrange the removed parts in the correct order.

  51. REMOVE VALVE LASH ADJUSTER ASSEMBLY


    1. Remove the 24 valve lash adjuster assemblies from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  52. REMOVE VALVE STEM CAP


    1. Remove the 24 valve stem caps.

      Tech Tips

      Arrange the removed parts in the correct order.

  53. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH


    1. A01NHBXE01

      Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

      Note


      • Be careful not to drop washers into the cylinder head sub-assembly.

      • Cylinder head warpage or cracking could result from removing bolts in an incorrect order.

      Tech Tips

      Arrange the removed parts in the correct order.

    2. Remove the cylinder head sub-assembly.

  54. REMOVE CYLINDER HEAD GASKET RH


    1. Remove the cylinder head gasket.

  55. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH


    1. A01NEAGE01

      Uniformly loosen and remove the 2 cylinder head set bolts in several steps and in the sequence shown in the illustration.

    2. A01NGALE01

      Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

      Note


      • Be careful not to drop washers into the cylinder head sub-assembly.

      • Cylinder head warpage or cracking could result from removing bolts in an incorrect order.

      Tech Tips

      Be sure to keep separate the removed parts for each installation position.

    3. Remove the cylinder head LH.

  56. REMOVE CYLINDER HEAD GASKET LH


    1. Remove the No. 2 cylinder head gasket.

  57. REMOVE INLET WATER PIPE


    1. Remove clamp and separate the No. 1 water by-pass hose.

    2. A01NFEM

      Remove the 2 bolts and inlet water pipe.