CYLINDER BLOCK REASSEMBLY

PROCEDURE


  1. INSTALL STUD BOLT

    Note

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

    Tech Tips

    There are 2 installation types for the No. 1 ventilation case.

    This procedure is for type A.


    1. A004Y8GE02
      Text in Illustration
      *a LH Side

      Using an E6 "TORX" socket, install the stud bolts as shown in the illustration.

      Torque:
      5.0 N*m  { 51 kgf*cm, 44 in.*lbf }

  2. INSTALL NO. 1 OIL NOZZLE SUB-ASSEMBLY


    1. A004ZQ6

      Using a 5 mm socket hexagon wrench, install the 4 oil nozzles with the 4 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

  3. INSTALL PISTON


    1. A004VMLE02
      Text in Illustration
      *1 Service Hole

      Using a screwdriver, install a new snap ring at one end of the piston pin hole.

      Tech Tips

      Make sure that the end gap of the snap ring is not aligned with the pin hole cutout portion of the piston.

    2. Gradually heat the piston to approximately 80 to 90°C (176 to 194°F).

    3. A00501UE10
      Text in Illustration
      *a Front Mark

      Align the front marks of the piston and connecting rod, insert the connecting rod into the piston, and then push in the piston pin with your thumb until the pin comes into contact with the snap ring.

      Tech Tips

      The piston and pin are a matched set.

    4. Using a screwdriver, install a new snap ring on the other end of the piston pin hole.

      Tech Tips

      Make sure that the end gap of the snap ring is not aligned with the pin hole cutout portion of the piston.

    5. A004WC9

      Check the fitting condition between the piston and piston pin by trying to move the piston back and forth on the piston pin.

  4. INSTALL PISTON RING SET


    1. for 2-piece Type:


      1. A0050A4E18
        Text in Illustration
        *1 Oil Ring Expander
        *2 Oil Ring
        *3 Coil Joint
        *4 Oil Ring End

        Install the oil ring expander and oil ring by hand.

        Note


        • Install the expander and oil ring so that their ring ends are at opposite sides.

        • Securely install the expander to the inner groove of the oil ring.

    2. for 3-piece Type:


      1. A00507ZE03
        Text in Illustration
        *1 Upper Side Rail
        *2 Oil Ring Expander
        *3 Lower Side Rail

        Install the oil ring expander and 2 side rails by hand.

        Note

        When installing the upper side rail and lower side rail, the ends of the oil ring expander may overlap. If it occurs, the upper side rail or lower side rail may move out of its groove.

      2. Check that the ends of the oil ring expander are not overlapping and that the upper side rail and lower side rail are securely installed into the groove.

        A004XO2E05
        Text in Illustration
        *a Press around the circumference *b Ring End
        *c Correct *d Incorrect (Ends of the oil ring expander are overlapping)

        Note


        • After installing the oil ring expander, upper side rail and lower side rail, press around the circumference with a finger to check that they are securely installed into the groove.

        • If the oil ring expander is not securely installed into the groove, check that the ends of the oil ring expander are not overlapping.

        • If the ends of the oil ring expander are overlapping, remove the upper side rail and lower side rail and realign the oil ring expander using a screwdriver.

    3. Using a piston ring expander, install the 2 compression rings so that the paint marks are positioned as shown in the illustration.

      A004ZK8E01
      Text in Illustration
      *1 No. 1 Compression Ring
      *2 No. 2 Compression Ring
      *3 Piston Ring Expander
      *a Code Mark (1R)
      *b Code Mark (2R)
      *c Paint Mark
      B001KHV Upward

      Note


      • Install the No. 1 compression ring with the code mark (1R) facing upward.

      • Install the No. 2 compression ring with the code mark (2R) facing upward.

      • Paint marks can only be checked on new piston rings. When reusing piston rings, check each piston ring profile in order to install them into the correct positions.

    4. for 2-piece Type:


      1. A004X2QE01
        Text in Illustration
        *1 No. 1 Compression Ring and Oil Ring
        *2 No. 2 Compression Ring and Oil Ring Expander
        B001KHV Engine Front

        Position the piston rings so that the ring ends are as shown in the illustration.

    5. for 3-piece Type:


      1. A004XHWE02
        Text in Illustration
        *1 No. 1 compression ring and Oil Ring Expander
        *2 No. 2 compression ring
        *3 Upper Side Rail
        *4 Lower Side Rail
        *a Engine Front

        Position the piston rings so that the ring ends are as shown in the illustration.

  5. INSTALL CRANKSHAFT BEARING


    1. A004VT9E04
      Text in Illustration
      *1 Vernier Caliper

      Install the upper bearing (except No. 3 journal).


      1. Install the upper bearing to the cylinder block.

        Tech Tips

        Both sides of the oil groove in the cylinder block should be visible through the oil feed holes in the bearing. The amount visible on each side of the holes should be equal.

      2. Using a vernier caliper, measure the distance between the cylinder block edge and the upper bearing edge.

        Standard dimension (A)
        0.5 to 1.0 mm (0.0197 to 0.0394 in.)

        Note

        Do not apply engine oil to the bearings or the contact surfaces.

    2. A004XP4E04
      Text in Illustration
      *1 Vernier Caliper

      Install the upper bearing (for No. 3 journal).


      1. Install the upper bearing to the cylinder block.

        Tech Tips

        Both sides of the oil groove in the cylinder block should be visible through the oil feed holes in the bearing. The amount visible on each side of the holes should be equal.

      2. Using a vernier caliper, measure the distance between the cylinder block edge and the upper bearing edge.

        Standard dimension (A - B)
        0.7 mm (0.0276 in.) or less

        Note

        Do not apply engine oil to the bearing or the contact surfaces.

    3. Install the lower bearing.


      1. Install the upper bearing to the cylinder block.

        Tech Tips

        Both sides of the oil groove in the cylinder block should be visible through the oil feed holes in the bearing. The amount visible on each side of the holes should be equal.

      2. A004X60E06
        Text in Illustration
        *1 Vernier Caliper
        *a Mark 1, 2, 3, 4 or 5

        Using a vernier caliper, measure the distance between the bearing cap edge and the lower bearing edge.

        Standard dimension (A - B)
        0.7 mm (0.0276 in.) or less

        Note

        Do not apply engine oil to the bearings or the contact surfaces.

  6. INSTALL UPPER CRANKSHAFT THRUST WASHER


    1. A004WS9E09
      Text in Illustration
      *1 Oil Groove

      Install the 2 thrust washers to the No. 3 journal position of the cylinder block with the oil grooves facing outward.

    2. Apply engine oil to the crankshaft thrust washer.

  7. INSTALL CRANKSHAFT


    1. Apply engine oil to the upper bearings and install the crankshaft to the cylinder block.

    2. Apply engine oil to the lower bearings.

    3. A004VPIE01
      Text in Illustration
      *a Number Mark
      B001KHV Engine Front

      Examine the number marks and install the bearing caps to the cylinder block.

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

    5. A004W2E

      Temporarily install the 10 crankshaft bearing cap bolts.

    6. A004WJCE02
      Text in Illustration
      *a Less than 5 mm

      Push on the crankshaft bearing caps with your hand until the clearance between the crankshaft bearing caps and cylinder block is less than 5 mm (0.197 in.).

    7. A004X31

      Using a plastic-faced hammer, lightly tap the bearing cap to ensure a proper fit.

    8. Install the crankshaft bearing cap bolts.

      Note

      The crankshaft bearing cap bolts are tightened in 2 progressive steps.

    9. Step 1:


      1. A004W2EE05

        Install and uniformly tighten the 10 crankshaft bearing cap bolts in the sequence shown in the illustration.

        Torque:
        40 N*m  { 408 kgf*cm, 30 ft.*lbf }

    10. Step 2:


      1. A004YWEE01
        Text in Illustration
        *a Paint Mark
        B001KHV Engine Front

        Mark the front of the bearing cap bolts with paint.

      2. Tighten the bearing cap bolts 90° in the sequence shown in step 1.

    11. Check that the paint marks are now at a 90° angle to the front.

    12. Check that the crankshaft turns smoothly.

    13. Check the crankshaft thrust clearance Click here.

  8. INSTALL CONNECTING ROD BEARING


    1. Install the connecting rod bearings to the connecting rods and connecting rod caps.

    2. A004WDLE05
      Text in Illustration
      *1 Vernier Caliper

      Using a vernier caliper, measure the distance between the edges of the connecting rods and connecting cap bearings, and the connecting rod caps and the connecting rod bearings.

      Standard dimension A - B or B - A
      0 to 0.7 mm (0 to 0.0276 in.)

      Note

      Do not apply engine oil to the bearings or the contact surfaces.

  9. INSTALL PISTON SUB-ASSEMBLY WITH CONNECTING ROD


    1. Apply engine oil to the cylinder walls, pistons, and the surfaces of the connecting rod bearings.

    2. for 2-piece Type:


      1. A004X2QE01
        Text in Illustration
        *1 No. 1 Compression Ring and Oil Ring
        *2 No. 2 Compression Ring and Oil Ring Expander
        B001KHV Engine Front

        Position the piston rings so that the ring ends are as shown in the illustration.

        Note

        Do not align the ring ends.

    3. for 3-piece Type:


      1. A004XHWE02
        Text in Illustration
        *1 No. 1 compression ring and Oil Ring Expander
        *2 No. 2 compression ring
        *3 Upper Side Rail
        *4 Lower Side Rail
        *a Engine Front

        Position the piston rings so that the ring ends are as shown in the illustration.

      2. Confirm that the ends of the oil ring expander are not overlapping and that the upper side rail and lower side rail are securely installed into the groove.

        A004XO2E05
        Text in Illustration
        *a Press around the circumference *b Ring End
        *c Correct *d Incorrect (Ends of the oil ring expander are overlapping)

        Note


        • After installing the oil ring expander, upper side rail and lower side rail, press around the circumference with a finger to check that they are securely installed into the groove.

        • If the oil ring expander is not securely installed into the groove, check that the ends of the oil ring expander are not overlapping.

        • If the ends of the oil ring expander are overlapping, remove the upper side rail and lower side rail and realign the oil ring expander using a screwdriver.

    4. A004XMNE05
      Text in Illustration
      *a Front Mark

      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.

      Note


      • When inserting the piston with connecting rod, do not allow it to make contact with the oil nozzle.

      • Match the numbered connecting rod cap with the connecting rod.

    5. A004YF4E06
      Text in Illustration
      *a Front Mark

      Check that the front mark of the connecting rod cap is facing in the correct direction.

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

    7. Install the connecting rod cap bolts.

      Note

      The connecting rod cap bolts should be tightened in 2 progressive steps.

    8. Step 1:


      1. A004XFQE05

        Using SST, install and alternately tighten the bolts of the connecting rod cap in several steps.

        SST
        09205-16011
        Torque:
        20 N*m  { 204 kgf*cm, 15 ft.*lbf }

    9. Step 2:


      1. A004YPTE14
        Text in Illustration
        *a Paint Mark
        B001NB3 Engine Front

        Mark the front of the connecting rod cap bolts with paint.

      2. Tighten the cap bolts 90° as shown in the illustration.

    10. Check that the crankshaft turns smoothly.

    11. Check the connecting rod thrust clearance Click here.

  10. INSTALL NO. 1 VENTILATION CASE

    Tech Tips

    There are 2 installation types for the No. 1 ventilation case.

    Depending on the installation type, the number of bolts, nuts and stud bolts used will vary.


    1. A004Y9PE01
      Text in Illustration
      *a Seal Packing
      *b Seal Packing Diameter

      Apply seal packing in a continuous line as shown in the illustration.

      Seal packing
      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
      Application Specification
      Seal Packing Diameter Distance from inside edge of cover to center of seal packing
      2.0 to 3.0 mm (0.0787 to 0.118 in.) 3.0 mm (0.118 in.)

      Note


      • Remove any oil from the contact surfaces.

      • Install the ventilation case within 3 minutes and tighten the bolts and nuts within 15 minutes of applying seal packing.

      • Do not start the engine for at least 2 hours after installation.

    2. Type A:


      1. A004XGU

        Install the ventilation case with the 6 bolts and 2 nuts.

        Torque:
        10 N*m  { 102 kgf*cm, 7 ft.*lbf }

    3. Type B:


      1. A00508M

        Install the ventilation case with the 8 bolts.

        Torque:
        10 N*m  { 102 kgf*cm, 7 ft.*lbf }