ENGINE UNIT DISASSEMBLY

Note


  • When replacing the injectors (including shuffling the injectors between the cylinders), common rail, intake manifold or cylinder head, it is necessary to replace the injection pipes with new ones.

  • When replacing the fuel supply pump, common rail, intake manifold or cylinder head, it is necessary to replace the fuel inlet pipe with a new one.


  1. REMOVE NO. 2 NOZZLE LEAKAGE PIPE


    1. A010OX5E01
      Text in Illustration
      *1 Check Valve

      Remove the check valve and gasket.

    2. Remove the bolt and No. 2 nozzle leakage pipe.

  2. REMOVE NO. 1 NOZZLE LEAKAGE PIPE


    1. A010PNA

      Remove the 4 union bolts and 4 gaskets.

    2. Remove the bolt and No. 1 nozzle leakage pipe.

  3. REMOVE NO. 1 NOZZLE HOLDER CLAMP


    1. A010NHQ

      Remove the 4 bolts, 4 washers and 4 nozzle holder clamps.

  4. REMOVE INJECTOR ASSEMBLY


    1. Remove the 4 injectors and 4 injection nozzle seats from the cylinder head.

    2. Remove the O-ring from each injector.

      Note

      When removing the injector assembly, store the injectors in the correct order so that they can be returned to their original locations when reassembling.

  5. REMOVE CAMSHAFT POSITION SENSOR


    1. A010QNBE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the bolt and sensor.

  6. REMOVE CRANKSHAFT POSITION SENSOR


    1. A010QGDE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the clip and disconnect the sensor harness.

    2. Remove the 2 bolts and sensor.

  7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    1. A010PWZE01

      Using SST, remove the sensor and gasket.

      SST
      09817-33190

  8. REMOVE WATER PUMP ASSEMBLY


    1. A010Q3A

      Remove the 7 bolts, water pump and gasket.

  9. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY (for CCo)


    1. Disconnect the engine oil pressure switch connector.

    2. A010O4E

      Using a 24 mm deep socket wrench, remove the engine oil pressure switch assembly.

  10. REMOVE OIL PRESSURE SENDER GAUGE ASSEMBLY (for DPF)


    1. Disconnect the oil pressure sender gauge connector.

    2. A00OTKB

      Using a 27 mm deep socket wrench, remove the oil pressure sender gauge.

  11. REMOVE OIL COOLER ASSEMBLY


    1. A00OVUH

      Remove the 5 bolts and oil cooler.

    2. for CCo:

      Remove the 3 O-rings from the oil cooler bracket.

    3. for DPF:

      Remove the 3 gaskets from the oil cooler bracket.

  12. REMOVE NO. 1 OIL COOLER BRACKET


    1. A010OEFE01
      Text in Illustration
      *A for CCo
      *B for DPF
      A010RWX Nut

      Remove the 6 bolts, nut and No. 1 oil cooler bracket.

    2. for CCo:

      Remove the 3 O-rings from the No. 1 oil cooler bracket.

    3. for DPF:

      Remove the 3 gaskets from the No. 1 oil cooler bracket.

  13. REMOVE ENGINE OIL LEVEL SENSOR


    1. A010SUR

      Remove the 4 bolts and sensor.

  14. REMOVE WATER INLET HOUSING


    1. A010SK3

      Remove the 3 nuts, gasket and water inlet housing.

  15. REMOVE OIL FILLER CAP SUB-ASSEMBLY

  16. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY


    1. A010RQU

      Remove the 4 nozzle holder clamp seats, 14 bolts, nut and cylinder head cover.

      Text in Illustration
      A010R8V Bolt
      A010RWX Nozzle Holder Clamp Seat
      A010RPU Nut
    2. A010S1W

      Remove the cylinder head cover gasket from the cylinder head cover.

  17. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY


    1. A010RB1E01
      Text in Illustration
      *A for CCo
      *B for DPF
      A010RWX Nut

      Remove the 18 bolts and 2 nuts.

    2. A010NGHE06

      Insert the blade of an oil pan seal cutter between the No. 2 oil pan and cylinder block, cut through the applied sealer and remove the No. 2 oil pan.

      Note


      • Do not use the oil pan seal cutter for the area between the oil pan and timing chain cover.

      • Be careful not to damage the contact surfaces of the No. 2 oil pan.

  18. REMOVE OIL FILTER ELEMENT


    1. A010PTUE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the oil filter drain plug.

    2. Remove the O-ring from the oil filter drain plug and install it to an oil filter drain pipe.

    3. A010N42E01
      Text in Illustration
      *1 Oil Filter Cap
      *2 O-Ring
      *3 Oil Filter Drain Pipe

      Install the oil filter drain pipe to the oil filter cap and drain the engine oil.

    4. Remove the oil filter drain pipe.

    5. Apply a light coat of engine oil to a new O-ring and install it to the oil filter drain plug.

    6. Install the oil filter drain plug to the oil filter cap.

      Torque:
      13 N*m  { 127 kgf*cm, 9 ft.*lbf }

    7. Using SST, remove the oil filter cap.

      SST
      09228-06501
      A010Q1TE01
      Text in Illustration
      *A for CCo *B for DPF
    8. A010RMWE01
      Text in Illustration
      *1 Oil Filter Element
      *2 O-Ring

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

      Note

      Be sure to remove the cap O-ring by hand without using any tools to prevent damage to the cap O-ring groove.

  19. REMOVE OIL PRESSURE SWITCHING VALVE ASSEMBLY (for DPF)


    1. A00OV74

      Detach the wire harness clamp and disconnect the oil pressure switching valve connector.

    2. Remove the bolt and oil pressure switching valve.

  20. REMOVE OIL FILTER BRACKET


    1. A010NRRE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the 4 bolts and oil filter bracket.

    2. A010QWJE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the gasket from the oil filter bracket.

  21. REMOVE OIL STRAINER SUB-ASSEMBLY


    1. A010N6Z

      Remove the 3 bolts and oil strainer.

    2. Remove the O-ring from the oil strainer.

  22. REMOVE CRANKSHAFT PULLEY


    1. Set the No. 1 piston to TDC/compression.


      1. A010NMXE01
        Text in Illustration
        *1 Timing Pointer
        *2 Timing Mark

        Turn the crankshaft pulley clockwise to align the timing mark on the pulley with the timing pointer of the timing chain cover.

    2. A010QGUE01
      Text in Illustration
      *A for CCo
      *B for DPF
      *1 Matchmark
      *2 Timing Mark

      Make sure that the timing mark of the camshaft timing sprocket is at the top.

      Tech Tips

      If the timing mark is not at the top, turn the crankshaft pulley 1 revolution so that the timing mark is at the top (set the No. 1 piston to TDC/compression).

    3. Put a matchmark on the timing chain plate that is aligned with the timing mark of the camshaft timing sprocket.

      Tech Tips

      The timing chain has 2 yellow-colored plates. If either of them is aligned with the timing mark of the camshaft timing sprocket, this step can be omitted.

    4. A010Q4EE01

      Turn the crankshaft by approximately 90° in the direction of engine revolution from the point where the No. 1 piston is set to TDC/compression so that the lifted valve and piston do not contact each other when removing the camshaft.

    5. A010SHFE01

      Using SST, remove the pulley bolt.

      SST
      09213-58014   ( 91551-80840 )
      09330-00021
    6. A010R1LE01

      Using SST, remove the crankshaft pulley.

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

  23. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY


    1. Remove the 13 bolts and seal washer.

      A010N8LE01
      Text in Illustration
      *A for CCo *B for DPF
      A010RWX Bolt and Seal Washer - -

    2. Remove the timing chain cover by prying between the timing chain cover and cylinder head, camshaft housing, cylinder block and stiffening crankcase with a screwdriver as shown in the illustration.

      A010RRDE01
      Text in Illustration
      *A for CCo *B for DPF

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

    3. A010Q6ME01
      Text in Illustration
      *A for CCo
      *B for DPF
      *1 Gasket
      *2 O-Ring

      Remove the gasket and O-ring from the timing chain cover.

  24. REMOVE FRONT CRANKSHAFT OIL SEAL


    1. A010PNJ

      Place the timing chain cover on wooden blocks.

    2. Using a screwdriver, pry out the oil seal.

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  25. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. A010OXJE01
      Text in Illustration
      *1 Plunger
      *2 Stopper Plate

      Move the stopper plate upward to release the lock, and push the plunger deep into the No. 1 chain tensioner.

    2. Move the stopper plate downward to set the lock, and insert SST into the stopper plate hole.

      SST
      09240-00020   ( 09242-00200 )
    3. A010P47

      Remove the 2 bolts and No. 1 chain tensioner.

  26. REMOVE CHAIN TENSIONER SLIPPER

    A010PXM

  27. REMOVE NO. 1 CHAIN VIBRATION DAMPER


    1. A010O8V

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

  28. REMOVE CAMSHAFT TIMING SPROCKET


    1. A010S4YE01
      Text in Illustration
      *A for CCo
      *B for DPF

      Remove the 4 bolts from the sprocket while holding the hexagonal portion of the No. 2 camshaft with a wrench.

    2. Remove the camshaft timing sprocket and chain.

  29. REMOVE OIL PUMP DRIVE GEAR


    1. A010SKT

      Remove the oil pump drive gear from the crankshaft.

  30. REMOVE CRANKSHAFT TIMING SPROCKET


    1. A010QU4

      Remove the crankshaft timing sprocket.

  31. REMOVE CRANKSHAFT PULLEY SET CRANKSHAFT KEY


    1. A010Q7P

      Remove the 2 keys from the crankshaft.

  32. REMOVE CAMSHAFT


    1. A00OS88

      Using the crankshaft pulley bolt, set the No. 1 cylinder to 90° BTDC/compression.

    2. A00OTVGE01
      Text in Illustration
      *1 Oil Pipe Seat
      *2 No. 4 Bearing Cap

      Remove the 2 oil pipe seats.

    3. Uniformly loosen the 20 bolts in several steps in the sequence shown in the illustration and remove the bolts.

    4. Remove the 8 No. 3 bearing caps and No. 1 bearing cap.

      Tech Tips

      Do not remove the No. 4 bearing cap.

    5. Remove the camshaft and No. 2 camshaft.

    6. A00OR8P

      Remove the No. 2 camshaft bearing cap.

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


    1. A00OR67

      Remove the 16 No. 1 valve rocker arms.

  34. REMOVE VALVE LASH ADJUSTER ASSEMBLY


    1. A00OVEA

      Remove the 16 valve lash adjusters from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  35. REMOVE CYLINDER HEAD SUB-ASSEMBLY


    1. A00OUDJE01

      Uniformly loosen the 10 bolts in several steps, in the sequence shown in the illustration. Remove the 10 cylinder head bolts and plate washers.

      Note

      Head warpage or cracking could result from removing bolts in the incorrect order.

  36. REMOVE CYLINDER HEAD GASKET

  37. REMOVE REAR CRANKSHAFT OIL SEAL


    1. A010OOUE05
      Text in Illustration
      *1 Cut Position

      Using a knife, cut off the lip of the oil seal.

    2. Using a screwdriver, pry out the oil seal.

      Note

      Be careful not to damage the crankshaft.

  38. REMOVE OIL BAFFLE PLATE


    1. A010SW6

      Remove the 4 bolts and oil baffle plate.

  39. REMOVE CYLINDER BLOCK DRAIN COCK PLUG


    1. A010SUL

      Remove the cylinder block drain cock plug from the cylinder block.