Cylinder Block (W/ Dpf) Reassembly

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Kd-Ftv Engine Mechanical. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSTALL STUD BOLT

  2. INSTALL NO. 1 OIL NOZZLE SUB-ASSEMBLY

  3. INSTALL PISTON WITH PIN SUB-ASSEMBLY

  4. INSTALL PISTON RING SET

  5. INSTALL CRANKSHAFT BEARING

  6. INSTALL CRANKSHAFT

  7. INSTALL CONNECTING ROD BEARING

  8. INSPECT CRANKSHAFT THRUST CLEARANCE

  9. INSTALL PISTON AND CONNECTING ROD

  10. INSPECT CONNECTING ROD THRUST CLEARANCE

  11. INSTALL CYLINDER BLOCK OIL ORIFICE

Cylinder Block (W/ Dpf) -- Reassembly


NOTICE:
  1. When replacing the injectors (including shuffling the injectors between the cylinders), common rail or cylinder head, it is necessary to replace the injection pipes with new ones.
  2. When replacing the fuel supply pump, common rail, cylinder block, cylinder head, cylinder head gasket or timing gear case, it is necessary to replace the fuel inlet pipe with a new one.
  3. After removing the injection pipes, clean them with a brush and compressed air.


1. INSTALL STUD BOLT
HINT:
If a stud bolt is deformed or its threads are damaged, replace it.


  1. Install the stud bolts.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly


    Text in Illustration
    *a
    Front Side
    *b
    Left Side
    *c
    Oil Pan Side
    *d
    Right Side


2. INSTALL NO. 1 OIL NOZZLE SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Align the pin of the No. 1 oil nozzle with the pin hole of the cylinder block.

  1. Install the 4 No. 1 oil nozzles with the 4 check valves.

    Torque:
    26 N*m{265 kgf*cm, 19 ft.*lbf}


3. INSTALL PISTON WITH PIN SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Using a small screwdriver, install a new snap ring on one side of the piston pin hole.

  1. Gradually heat the piston to approximately 80°C (176°F).

  1. Coat the piston pin with engine oil.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Align the front marks of the piston and connecting rod, connect the connecting rod to the piston, and then push in the piston pin with your thumb.

    Text in Illustration
    *1
    Front Mark (Arrow)
    *2
    Front Mark (Protrusion)
  1. Check the fit between the piston and piston pin. Try to move the piston back and forth on the piston pin.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Using a small screwdriver, install a new snap ring on the other side of the piston pin hole.



4. INSTALL PISTON RING SET


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Install the coil and oil ring by hand.

    Text in Illustration
    *1
    Coil Joint
    *2
    Oil Ring End Gap
    HINT:
    Make sure the end gap of the oil ring and the coil joint are on opposite sides.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Using a piston ring expander, install the No. 1 and No. 2 piston rings with the code marks facing upward.

    Code Mark:
    Ring
    Code Mark
    No. 1 Piston Ring
    1VN
    No. 2 Piston Ring
    N2
    Text in Illustration
    *1
    No. 1 Piston Ring
    *2
    No. 2 Piston Ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Position the piston rings so that the ring ends are as shown in the illustration.

    Text in Illustration
    *1
    No. 1 Piston Ring
    *2
    Oil Ring
    *3
    Coil
    *4
    No. 2 Piston Ring
    *5
    Front Mark (Arrow)
    NOTICE:
    Do not align the ring ends.


5. INSTALL CRANKSHAFT BEARING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
HINT:
Upper bearings have an oil groove and oil hole. Lower bearings do not.
  1. Align the bearing claw with the claw groove of the cylinder block and push in the 5 upper bearings.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Align the bearing claw with the claw groove of the crankshaft bearing cap and push in the 5 lower bearings.



6. INSTALL CRANKSHAFT


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Place the crankshaft on the cylinder block.

  1. Push the crankshaft in one direction and install one thrust washer to the No. 5 journal position with the oil groove facing outward.

  1. Push the crankshaft in the opposite direction and install the other thrust washer to the No. 5 journal position with the oil groove facing outward.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Install the 2 thrust washers to the No. 5 bearing cap with the grooves facing outward.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Install the 5 crankshaft bearing caps to their proper locations.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Install the crankshaft bearing cap bolts.

    HINT:
    1. The crankshaft bearing cap bolts are tightened in 2 progressive steps.
    2. If a crankshaft bearing cap bolt is broken or deformed, replace it.

    1. Apply a light coat of engine oil to the threads and under the bolt heads of the crankshaft bearing cap bolts.

    2. Install and uniformly tighten the 10 bolts of the crankshaft bearing caps in several passes in the sequence shown in the illustration.

      Torque:
      50 N*m{510 kgf*cm, 37 ft.*lbf}
      If any one of the bearing cap bolts does not meet the torque specification, replace the bearing cap bolt.


    3. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
    4. Mark the front of each crankshaft bearing cap bolt with paint.

      Text in Illustration
      *1
      Painted Mark
      *a
      Front
    5. Tighten the crankshaft bearing cap bolts by 90° in the numerical order shown in the previous illustration.

    6. Check that the painted marks are now at a 90° angle to the front.

  1. Check that the crankshaft turns smoothly.

  1. Check the crankshaft thrust clearance.



7. INSTALL CONNECTING ROD BEARING


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Align the bearing claw with the groove of the connecting rod or connecting rod cap.

  1. Install the bearings to the connecting rod and connecting rod cap.



8. INSPECT CRANKSHAFT THRUST CLEARANCE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Using a dial indicator, measure the thrust clearance while prying the crankshaft back and forth with a screwdriver.

    Standard thrust clearance:
    0.04 to 0.24 mm (0.00157 to 0.00945 in.)
    Maximum thrust clearance:
    0.3 mm (0.0118 in.)
    If the thrust clearance is more than the maximum, replace the thrust washers as a set.
    Standard Thrust Washer Thickness:
    Item
    Specified Condition
    STD
    2.430 to 2.480 mm (0.0957 to 0.0976 in.)
    O/S 0.125
    2.555 to 2.605 mm (0.1005 to 0.1025 in.)
    O/S 0.250
    2.680 to 2.730 mm (0.1055 to 0.1074 in.)


9. INSTALL PISTON AND CONNECTING ROD
  1. Apply engine oil to the cylinder walls, the pistons and the surfaces of the connecting rod bearings.

  1. Check the positions of the piston ring ends.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Using a piston ring compressor, push the correctly numbered piston and connecting rod assembly into the cylinder with the front mark of the piston facing forward.

    Text in Illustration
    *1
    Front Mark (Arrow)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Place the connecting rod cap on the connecting rod.

    1. Match each numbered connecting rod cap with the correct connecting rod.

    2. Align the pins of the connecting rod cap with the pin holes of the connecting rod and install the connecting rod cap.



    3. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
    4. Check that the front mark of the connecting rod cap is facing forward.

      Text in Illustration
      *1
      Front Mark (Protrusion)
      Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
      Front


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Install the connecting rod cap bolts.

    HINT:
    1. The connecting rod cap bolts are tightened in 2 progressive steps.
    2. If any connecting rod bolt is broken or deformed, replace it.

    1. Apply a light coat of engine oil to the threads and under the heads of the connecting rod cap bolts.

    2. Install and alternately tighten the bolts of the connecting rod cap in several passes.

      Torque:
      35 N*m{357 kgf*cm, 26 ft.*lbf}
      HINT:
      If any one of the connecting rod cap bolts does not meet the torque specification, replace the cap bolt.


    3. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
    4. Mark the front of each connecting rod cap bolt with paint.

      Text in Illustration
      *1
      Painted Mark
      *a
      Front
    5. Tighten the connecting rod cap bolts by 90° as shown in the illustration.

    6. Check that the painted marks are now at a 90° angle to the front.

  1. Check that the crankshaft turns smoothly.



10. INSPECT CONNECTING ROD THRUST CLEARANCE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Mechanical.Engine.Cylinder Block (W/ Dpf)  Reassembly
  1. Using a dial indicator, measure the thrust clearance while moving the connecting rod back and forth.

    Standard thrust clearance:
    0.100 to 0.300 mm (0.00394 to 0.0118 in.)
    Maximum thrust clearance:
    0.40 mm (0.0157 in.)
    If the thrust clearance is more than the maximum, replace the connecting rod assembly. If necessary, replace the crankshaft.


11. INSTALL CYLINDER BLOCK OIL ORIFICE