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Special Tools Required

  1. M/T model: Install the crankshaft end bushing when replacing the crankshaft. Using the handle driver and attachment, drive in the crankshaft end bushing until the driver and attachment bottom against the crankshaft.
    Fig 1: Driving In Crankshaft End Bushing
    G05448733Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Check the connecting rod bearing clearance with plastigage (see ROD BEARING CLEARANCE INSPECTION  ).
  3. Check the main bearing clearance with plastigage (see MAIN BEARING CLEARANCE INSPECTION  ).
  4. Install the bearing halves in the engine block and connecting rods.
  5. Apply a coat of new engine oil to the main bearings and rod bearings.
  6. Hold the crankshaft so rod journal No. 2 and rod journal No. 3 are straight up, then lower the crankshaft into the engine block.
  7. Apply new engine oil to the thrust washer surfaces. Install the thrust washers (A) in the No. 4 journal of the engine block.
    Fig 2: Identifying Thrust Washer
    G05448734Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Inspect the connecting rod bolts (see CONNECTING ROD BOLT INSPECTION  ).
  9. Apply new engine oil to the threads of the connecting rod bolts.
  10. Seat the rod journals into connecting rod No. 1 and connecting rod No. 4. Line up the mark (B) on the connecting rod and cap, then install the caps and bolts finger-tight.
  11. Rotate the crankshaft clockwise, and seat the journals into connecting rod No. 2 and connecting rod No. 3. Line up the mark on the connecting rod and cap, then install the caps and bolts finger-tight.
  12. Torque the connecting rod bolts to 20 N.m (2.0 kgf.m, 15 lbf.ft).
  13. Torque the connecting rod bolts an additional 90°.
    NOTE: Remove the connecting rod bolt if you torqued it beyond the specified angle, then go back to step 8 of the procedure. Do not loosen it back to the specified angle.
    Fig 3: Identifying Connecting Rod Bolt Position Angle
    G05448735Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Remove all of the old liquid gasket from the lower block mating surfaces, bolts, and bolt holes.
  15. Clean and dry the lower block mating surfaces.
  16. Apply liquid gasket, P/N 08717-0004,08718-0001, 08718-0003, or 08718-0009, evenly to the engine block mating surface of the lower block and to the inner threads of the bolt holes. Install the component within 5 minutes of applying the liquid gasket.
    NOTE:
    • If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes.
    • If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.
      Fig 4: Identifying Liquid Gasket Applying Area
      G05448736Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Put the lower block on the engine block.
  18. Apply new engine oil to the bearing cap bolts. Torque the bearing cap bolts in sequence to 30 N.m (3.0 kgf.m, 22 lbf.ft).
    Fig 5: Identifying Bearing Cap Bolt Tightening Sequence
    G05448737Courtesy of AMERICAN HONDA MOTOR CO., INC.
  19. Tighten the bearing cap bolts an additional 56°.
    Fig 6: Identifying Bearing Cap Bolts Angle
    G05448738Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Tighten the 8 mm bolts in sequence to 22 N.m (2.2 kgf.m, 16 lbf.ft).
    Fig 7: Identifying Bearing Cap Bolt Tightening Sequence
    G05448739Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Apply a light coat of new engine oil around the crankshaft oil seal.
  22. Apply a light coat of new engine oil to the lip of the crankshaft oil seal.
  23. Use the handle driver and oil seal driver attachment to drive a new crankshaft oil seal squarely into the engine block to the specified installed height.
    Fig 8: Driving Crankshaft Oil Seal Using Handle Driver & Oil Seal Driver Attachment
    G05448740Courtesy of AMERICAN HONDA MOTOR CO., INC.
  24. Measure the distance between the engine block (A) and crankshaft oil seal (B).

    Crankshaft Oil Seal Installed Height: 

    0.2-1.2 mm (0.001-0.047 in.) 

    Fig 9: Measuring Distance Between Engine Block & Crankshaft Oil Seal
    G05448741Courtesy of AMERICAN HONDA MOTOR CO., INC.
  25. Install the baffle plates.
    Fig 10: Baffle Plates Bolts With Torque Specifications
    G05448742Courtesy of AMERICAN HONDA MOTOR CO., INC.
  26. Install the oil pump (see OIL PUMP INSTALLATION ).
  27. Install the oil pan (see OIL PAN INSTALLATION  ).
  28. Install the cylinder head (see CYLINDER HEAD INSTALLATION ).
  29. M/T model: Install the flywheel (see FLYWHEEL INSPECTION ), clutch disc (see CLUTCH DISC AND PRESSURE PLATE INSTALLATION ), and pressure plate (see CLUTCH DISC AND PRESSURE PLATE INSTALLATION ).
  30. A/T model: Install the drive plate (see DRIVE PLATE REMOVAL AND INSTALLATION ).
  31. Install the transmission:
  32. Install the engine/transmission (see ENGINE INSTALLATION ).
    NOTE: Whenever any crankshaft or connecting rod bearing is replaced, it is necessary after reassembly to run the engine at idling speed until it reaches normal operating temperature, then continue to run it for about 15 minutes.
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