CYLINDER BLOCK DISASSEMBLY

PROCEDURE


  1. INSPECT CONNECTING ROD OIL CLEARANCE


    1. Using an E12 "TORX" socket wrench, remove the 2 connecting rod cap bolts.

      Note

      Incorrect installation may result in damage to the connecting rod and crankshaft.

      Tech Tips

      Make sure to place paint marks before disassembly.

    2. Using the 2 removed connecting rod cap bolts, remove the connecting rod cap and connecting rod bearing by wiggling the connecting rod cap right and left.

      Tech Tips

      Keep the connecting rod bearing inserted into the connecting rod cap.

    3. Clean the crank pin and connecting rod bearing.

    4. Check the crank pin and connecting rod bearing for pitting and scratches.

    5. A01QSESC01
      *a Plastigage

      Lay a strip of Plastigage on the crank pin.

    6. A01QSMIC01
      *a Front Mark (F)
      A01QRKS Front

      Check that the front mark (F) of the connecting rod cap is facing forward and install the connecting rod cap.

      Note


      • Make sure that there is no foreign matter or damage on the crank pin or connecting rod bearing.

      • Do not touch the crank pin or connecting rod bearing while wearing gloves.

    7. Using an E12 "TORX" socket wrench, install and alternately tighten the connecting rod bolts of the connecting rod cap in several steps.

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

      Note

      Do not turn the crankshaft assembly.

    8. Mark the front side of each connecting rod cap bolt with paint.

    9. Tighten the cap bolts by 70°.

      Note

      Do not turn the crankshaft assembly.

    10. Remove the 2 connecting rod cap bolts.

    11. Using the 2 removed connecting rod cap bolts, remove the connecting rod cap and lower bearing by wiggling the connecting rod cap right and left.

      Tech Tips

      Keep the lower bearing inserted into the connecting rod cap.

    12. A01QUH1C01
      *a Plastigage

      Measure the Plastigage at its widest point.

      Standard oil clearance
      0.015 to 0.050 mm (0.000591 to 0.00197 in.)
      Standard Connecting Rod Bearing Journal
      Item Specified Condition
      STD 49.991 to 49.975 mm (1.9681 to 1.9675 in.)
      U/S 0.25 49.741 to 49.725 mm (1.9583 to 1.9576 in.)
      U/S 0.50 49.491 to 49.475 mm (1.9484 to 1.9478 in.)

    13. Completely remove the Plastigage.

  2. REMOVE PISTON SUB-ASSEMBLY WITH CONNECTING ROD SUB-ASSEMBLY


    1. A01QQ0F

      Using a ridge reamer, remove all the carbon from the top of the cylinder.

    2. Using an E12 "TORX" socket wrench, remove the 2 connecting rod bolts.

      Note

      Incorrect installation may result in damage to the connecting rod sub-assembly and crankshaft.

      Tech Tips

      Make sure to place paint marks before disassembly.

    3. Remove the connecting rod cap with connecting rod bearing.

    4. Push out the piston and connecting rod sub-assembly with connecting rod bearing through the top of the cylinder block to remove them.

      Tech Tips

      Arrange the piston sub-assembly and connecting rod sub-assemblies in the correct order.

  3. REMOVE CONNECTING ROD BEARING


    1. A01QRCT

      Remove the connecting rod bearings.

      Note


      • Make sure that there is no foreign matter or damage on the crank pin or connecting rod bearing.

      • Do not touch the crank pin or connecting rod bearing while wearing gloves.

      Tech Tips

      Arrange the removed parts in the correct order.

  4. REMOVE PISTON RING SET

    Tech Tips

    Arrange the piston rings in the correct order.


    1. A01QP1Y

      Using a piston ring expander, remove the No. 1 compression ring and No. 2 compression ring.

    2. Using a piston ring expander, remove the oil ring rail.

    3. Remove the oil ring expander by hand.

  5. REMOVE PISTON WITH PIN SUB-ASSEMBLY


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

      If any movement is felt, replace the piston with pin sub-assembly.

    2. A01QQUTC01
      *1 Snap Ring

      Using a screwdriver, pry out the 2 snap rings.

    3. Remove the piston pin from the piston sub-assembly and connecting rod sub-assembly.

      Tech Tips


      • The piston sub-assembly and piston pin are a matched set.

      • Arrange the piston sub-assemblies, pins, rings, connecting rod sub-assemblies and connecting rod bearings in the correct order.

  6. INSPECT CRANKSHAFT THRUST CLEARANCE


    1. A01QSSO

      Using a dial indicator, measure the thrust clearance while prying the crankshaft back and forth with a screwdriver.

      Standard thrust clearance
      0.06 to 0.25 mm (0.00236 to 0.00984 in.)
      Standard No. 3 Crankshaft Bearing Thickness
      Item Specified Condition
      STD 25.02 to 25.53 mm (0.98523 to 0.99724 in.)
      O/S 0.20 25.22 to 25.73 mm (0.99291 to 1.10299 in.)
      O/S 0.40 25.42 to 25.93 mm (1.00079 to 1.02087 in.)

  7. REMOVE CRANKSHAFT ASSEMBLY


    1. A01QR4DE01

      Uniformly loosen and remove the 10 crankshaft bearing cap bolts in several steps in the sequence shown in the illustration.

      Note

      Do not reuse the crankshaft bearing cap bolts.

    2. Remove the crankshaft assembly.

  8. REMOVE CRANKSHAFT BEARING

    Tech Tips


    • Keep the upper crankshaft bearing and lower crankshaft bearing and crankshaft bearing cap together as a set.

    • Arrange the crankshaft bearing cap and crankshaft bearings in the correct order.


    1. A01QSNKC01
      *1 Lower Crankshaft Bearing

      Remove the 4 lower crankshaft bearings.

    2. Remove the No. 3 lower crankshaft bearing.

    3. Remove the 4 upper crankshaft bearings.

    4. A01QT26C01
      *1 No. 3 Upper Crankshaft Bearing

      Remove the No. 3 upper crankshaft bearings.

  9. REMOVE NO. 1 OIL NOZZLE SUB-ASSEMBLY


    1. A01QQZH

      Using a 5 mm hexagon wrench, remove the 4 bolts and 4 No. 1 oil nozzle sub-assemblies.