CYLINDER BLOCK REASSEMBLY

Info Added 2017-10-06

CAUTION / NOTICE / HINT

Tech Tips

Perform "Inspection After Repair" after replacing the piston or piston ring.

Click here

PROCEDURE


  1. INSTALL OIL JET


    1. A001VQDC01
      *1 Cylinder Block Sub-assembly
      *2 Spool
      *a Upward

      Install a new oil jet as shown in the illustration.

      Note

      Do not tap the tip of the oil jet.

      Tech Tips

      Press in the oil jet until the spool contacts the cylinder block sub-assembly.

  2. INSTALL NO. 1 OIL NOZZLE SUB-ASSEMBLY


    1. A001Y2H

      Using a 5 mm hexagon socket wrench, install the 4 No. 1 oil nozzle sub-assemblies to the cylinder block sub-assembly with the 4 bolts.

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

  3. INSTALL PISTON SUB-ASSEMBLY WITH PIN


    1. A001TGOC01
      *a End Gap

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

      Tech Tips

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

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

      CAUTION:

      Be sure to wear protective gloves.

    3. A001YDIC01
      *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 piston pin comes into contact with the snap ring.

      Tech Tips

      The piston and piston pin are a matched set.

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

      Tech Tips

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

    5. A001XIC

      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. A001TACC02
      *a Upper Side Rail
      *b Oil Ring Expander
      *c 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 this 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.

      A001X3YC02
      *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. A001UN1C02
      *a No. 1 Compression Ring
      *b No. 2 Compression Ring
      *c Code Mark (1R)
      *d Code Mark (2R)
      B00495X Upward

      Using a piston ring expander, install the No. 1 compression ring and No. 2 compression ring so that the code marks are positioned as shown in the illustration.

      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.

    4. A001VG4C01
      *a No. 1 Compression Ring and Oil Ring Expander
      *b No. 2 Compression Ring
      *c Upper Side Rail
      *d Lower Side Rail
      B00495X Front of Engine

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

  5. INSTALL CRANKSHAFT BEARING


    1. Clean the main journal and both surfaces of the crankshaft bearings.

    2. A001X1RC01
      *a Correct
      *b Incorrect
      B00495X Front of Engine

      Install the upper crankshaft bearings to the cylinder block sub-assembly as shown in the illustration.

      Note


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

      • Both sides of the oil groove in the cylinder block sub-assembly should be visible through the oil feed holes in the crankshaft bearings. The amount visible on each side of the holes should be equal.

    3. A001SMJC01
      *a Vernier Caliper

      Install the lower crankshaft bearings to the No. 1 crankshaft bearing caps.

    4. Using a vernier caliper, measure the distance between the No. 1 crankshaft bearing cap edge and the lower crankshaft bearing edge.

      Difference between (A) and (B)
      0.7 mm (0.0276 in.) or less

      Note

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

  6. INSTALL UPPER CRANKSHAFT THRUST WASHER


    1. A001VZKC01
      *a Oil Groove

      Install the 2 upper crankshaft thrust washers to the No. 3 journal position of the cylinder block sub-assembly with the oil grooves facing outward.

    2. Apply engine oil to the upper crankshaft thrust washers.

  7. INSTALL CRANKSHAFT


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

    2. Apply engine oil to the lower crankshaft bearings.

    3. A001UZ4C01
      *a Front Mark and Number

      Confirm the front marks and numbers, and place the 5 No. 1 crankshaft bearing caps on the cylinder block sub-assembly.

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

    5. A001TLBC01
      *a Less than 5 mm

      Temporarily install the 10 crankshaft bearing cap set bolts.

    6. Push on the No. 1 crankshaft bearing caps with your hand until the clearance between the No. 1 crankshaft bearing caps and cylinder block sub-assembly is less than 5 mm (0.197 in.).

    7. A001W8J

      Using a plastic hammer, lightly tap the No. 1 crankshaft bearing caps to ensure a proper fit.

    8. Install the crankshaft bearing cap set bolts.

      Note

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

    9. Step 1:


      1. A001U4UN01

        Uniformly tighten the 10 crankshaft bearing cap set bolts in the order shown in the illustration.

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

        Tech Tips

        If a crankshaft bearing cap set bolt cannot be tightened to the specified torque, replace it.

    10. Step 2:


      1. A001W59C01
        *a Paint Mark
        *b 90°
        B0049DE Front of Engine

        Mark the front of the crankshaft bearing cap set bolts with paint.

      2. Tighten the crankshaft bearing cap set bolts 90° in the order shown in step 1.

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

    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 bearing caps.

    2. A001SX3C01
      *a Vernier Caliper

      Using a vernier caliper, measure the distance between the edges of the connecting rod and upper connecting rod bearing, and the connecting rod bearing cap and lower connecting rod bearing.

      Difference between (A) and (B)
      0.7 mm (0.0276 in.) or less

      Note

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

  9. INSTALL PISTON SUB-ASSEMBLY WITH CONNECTING ROD


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

    2. A001VG4C01
      *a No. 1 Compression Ring and Oil Ring Expander
      *b No. 2 Compression Ring
      *c Upper Side Rail
      *d Lower Side Rail
      B00495X Front of Engine

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

    3. 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.

      A001X3YC02
      *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. A001TGXC01
      *a Front Mark

      Using a piston ring compressor, push the correctly numbered piston sub-assembly with pin with connecting rod into the cylinder with the front marks of the piston sub-assembly with pin with connecting rod facing the front of the engine.

      Note


      • When inserting the piston sub-assembly with connecting rod, do not allow it to make contact with the No. 1 oil nozzle sub-assembly.

      • Match each connecting rod bearing cap to the correct connecting rod.

    5. A001THHC01
      *a Front Mark

      Check that the front mark of the connecting rod bearing 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 bolts.

    7. Install the connecting rod bolts.

      Note

      The connecting rod bolts are tightened in 2 progressive steps.

    8. Step 1:


      1. A001YBHN01

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

        SST
        09205-16011
        Torque:
        15 N*m  { 153 kgf*cm, 11 ft.*lbf }

    9. Step 2:


      1. A001V2IC01
        *a Paint Mark
        *b 90°
        B0049DE Front of Engine

        Mark the front of the connecting rod bolts with paint.

      2. Tighten the connecting rod 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


    1. A001Y9O

      Install the case separator to the No. 1 ventilation case with the 2 bolts.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }
    2. A001WIV

      Install 2 new oil separator gaskets to the case separator.

    3. A001Y6EC02
      *a Seal Packing
      *b 2.0 to 3.0 mm
      *c 4.5 mm

      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 Specifications
      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.) 4.5 mm (0.177 in.)

      Note


      • Remove any oil from the contact surfaces.

      • Install the No. 1 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.

    4. A001UF1

      Install the No. 1 ventilation case to the cylinder block sub-assembly with the 6 bolts and 2 nuts.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  11. INSTALL CYLINDER BLOCK WATER JACKET SPACER


    1. A001UOFC02
      B00495X Front of Engine

      Install the cylinder block water jacket spacer to the cylinder block sub-assembly as shown in the illustration.