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Special Tools Required

  1. M/T model: Install the pilot bearing when replacing the crankshaft (see step 23 on ENGINE SIDE ).
  2. A/T model: Install the crankshaft end bushing when replacing the crankshaft. Using the driver handle, 15 x 135L (A) and the bearing driver attachment, 28 x 30 mm (B), to drive the crankshaft end bushing squarely into the crankshaft to the specified installed height.
    Fig 1: Identifying Crankshaft End Bushing
    G05952629Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. A/T model: Measure the distance between the crankshaft (A) surface and crankshaft end bushing (B).

    Bushing Installed Height: 0.9-1.1 mm (0.035-0.043 in.) 

    Fig 2: Measuring Distance Between Crankshaft Surface & Crankshaft End Bushing
    G05952630Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Check the main bearing clearance with plastigage (see CRANKSHAFT MAIN BEARING REPLACEMENT  ).
  5. Check the connecting rod bearing clearance with plastigage (see CONNECTING ROD BEARING REPLACEMENT  ).
  6. Install the bearing halves in the engine block and the connecting rods.
  7. Apply a coat of new engine oil to the main bearings and the rod bearings.
  8. Install the crankshaft position (CKP) pulse plate (A) on the crankshaft (B); face the marked side (C) opposite the crankshaft, and align the tab (D) on the CKP pulse plate with the groove (E) on the crankshaft.
    Fig 3: Crankshaft Position (CKP) Pulse Plate, Crankshaft, Tab & Crankshaft Groove With Torque Specifications
    G05952631Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Hold the crankshaft so that connecting rod journal No. 2 and connecting rod journal No. 3 are straight up, and lower the crankshaft into the engine block.
  10. Apply new engine oil to the side with the thrust washer groove. Install the thrust washers (A) in the No. 4 journal of the engine block.
    Fig 4: Identifying Thrust Washers
    G05952632Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Inspect the connecting rod bolts (see CONNECTING ROD BOLT INSPECTION  ).
  12. Apply new engine oil to the threads and flange of the connecting rod bolts.
  13. Seat the connecting rod journals into connecting rod No. 1 and connecting rod No. 4. Line up the mark (A) on the connecting rod and the connecting rod cap, then install the connecting rod caps and the connecting rod bolts finger-tight.
    Fig 5: Identifying Mark On Connecting Rod & Cap
    G05952633Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Rotate the crankshaft clockwise, and seat the connecting rod journals into connecting rod No. 2 and connecting rod No. 3. Line up the mark on the connecting rod and the connecting rod cap, then install the connecting rod caps and the connecting rod bolts finger-tight.
  15. Tighten the connecting rod bolts to 9.8 N.m (1.0 kgf.m, 7.2 lbf.ft).
  16. Tighten the connecting rod bolts an additional 90°.
    NOTE: Remove the connecting rod bolt if you tightened it beyond the specified angle, and go back to step  11 of the procedure. Do not loosen it back to the specified angle.
    Fig 6: Identifying Connecting Rod Bolt Angle
    G05952634Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Install the main bearing caps with facing the arrows (A) the cam chain side on the bearing cap bridge.
    Fig 7: Identifying Bearing Caps Arrows Mark
    G05952635Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Remove all of the old liquid gasket from the bearing cap bridge/No. 5 main bearing cap mating surfaces.
  19. Clean and dry the bearing cap bridge/No. 5 main bearing cap mating surfaces.
  20. Apply liquid gasket (P/N 08717-0004, 08718-0003, 08718-0004, or 08718-0009) to the engine block mating surface of the bearing cap bridge/No. 5 main bearing cap. Install the component within 5 minutes of applying the liquid gasket.
    NOTE:
    • Apply liquid gasket about 2.5 mm (0.098 in.) diameter bead along the broken line (A).
    • 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 8: Identifying Liquid Gasket Applying Area On Engine Block Mating Surfaces
      G05952636Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Put the bearing cap bridge on the engine block.
  22. Apply engine oil to the threads and the flange of the bearing cap bolts.
  23. Tighten the bearing cap bolts in sequence to 25 N.m (2.5 kgf.m, 18 lbf.ft).
    Fig 9: Identifying Bearing Cap Bolts Tightening Sequence
    G05952637Courtesy of AMERICAN HONDA MOTOR CO., INC.
  24. Tighten the bearing cap bolts an additional 40°.
    Fig 10: Identifying Bearing Cap Bolts Angle
    G05952638Courtesy of AMERICAN HONDA MOTOR CO., INC.
  25. Clean the excess liquid gasket off the engine block.
  26. Clean and dry the crankshaft oil seal housing.
  27. Apply a light coat of new engine oil to the lip of the crankshaft oil seal.
  28. Using the driver handle (A) and the oil seal driver attachment, 96 mm (B), to drive a new crankshaft oil seal squarely into the block to the specified installed height.
    Fig 11: Driving Oil Seal Into Block
    G05952639Courtesy of AMERICAN HONDA MOTOR CO., INC.
  29. Measure the distance between the cylinder block (A) and the crankshaft oil seal (B).

    Oil Seal Installed Height: 0.2-1.2 mm (0.008-0.047 in) 

    Fig 12: Identifying Distance Between Crankshaft & Oil Seal
    G05952640Courtesy of AMERICAN HONDA MOTOR CO., INC.
  30. Install the oil pump (A) with a new O-ring (B), see INSTALLATION .
    Fig 13: Oil Screen, Oil Pump, O-Ring And Fasteners With Torque Specifications
    G00504602Courtesy of AMERICAN HONDA MOTOR CO., INC.
  31. Install the oil screen (C) with a new gasket (D). (See illustration above)
  32. Install the oil pan (see OIL PAN INSTALLATION  ).
  33. Install the cylinder head (see CYLINDER HEAD INSTALLATION ).
  34. Connect the CKP sensor connector (A), then install the CKP sensor cover (B).
    Fig 14: CKP Sensor Connector, CKP Sensor Cover & Harness Cover With Torque Specifications
    G05952641Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Install the harness cover (C).
  36. M/T model: Install the flywheel (see step 19 on ENGINE SIDE ), clutch disc (see step 25 on ENGINE SIDE ), and pressure plate (see step 28 on ENGINE SIDE ).
  37. A/T model: Install the drive plate (see DRIVE PLATE REMOVAL AND INSTALLATION ).
  38. Install the transmission:
  39. Install the engine/transmission (see ENGINE INSTALLATION ).
    NOTE: When any crankshaft main or connecting rod bearing is replaced, run the engine at idle until it reaches normal operating temperature, then continue to run it for about 15 minutes.
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