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Crankshaft and Piston Installation

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required 

  1. Check the connecting rod bearing clearance with plastigage (see CONNECTING ROD BEARING REPLACEMENT  ).
  2. Check the main bearing clearance with plastigage (see CRANKSHAFT MAIN BEARING REPLACEMENT  ).
  3. J35A7 engine: If the oil jets are removed, install the new oil jets (see J35A7 ENGINE ).
  4. Install the bearing halves in the engine block and connecting rods.
  5. Apply new engine oil to inside of the main bearings and rod bearings.
  6. Lower the crankshaft (A) into the engine block.
    Fig 1: Lowering Crankshaft Into Engine Block
    G03704053Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Apply new engine oil to the side with the thrust washer groove. Install the thrust washers (A) in the No. 3 journal.
    Fig 2: Installing Thrust Washers In No. 3 Journal
    G03704054Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Install the bearings (A) and bearing caps (B) with the arrow (C) facing the timing belt end of the engine.
    Fig 3: Installing Bearings And Bearing Caps With Arrow Facing Timing Belt End Of Engine
    G03704055Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Apply new engine oil to the bolt threads and flanges, then loosely install the bearing cap bolts (D) and bearing cap side bolts (E).
  10. Set the crankshaft to bottom dead center (BDC) for the cylinder you are installing the piston in.
  11. Apply new engine oil to the piston, inside of the ring compressor, and the cylinder bore.
  12. Attach the ring compressor to the piston/connecting rod assembly, and check that the bearing is securely in place.
  13. Position the piston/connecting rod assembly with the arrow (A) facing the timing belt side of the engine.
    Fig 4: Positioning Piston/Connecting Rod Assembly With Arrow Facing Timing Belt Side Of Engine
    G03704056Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Position the piston/connecting rod assembly in the cylinder, and tap it in using the wooden handle of a hammer (A). Maintain downward force on the ring compressor (B) to prevent the rings from expanding before entering the cylinder bore.
    Fig 5: Tapping Piston/Connecting Rod Assembly Using Wooden Handle Of Hammer
    G03704057Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Stop after the ring compressor pops free, and check the connecting rod-to-crank journal alignment before pushing the piston into place.
  16. Measure the diameter of each connecting rod bolt at point A and point B.
    Fig 6: Measuring Diameter Of Each Connecting Rod Bolt At Point A And Point B
    G03704058Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Calculate the difference in diameter between point A and point B.
    1. Point A-Point B = Difference in Diameter 
    2. Difference in Diameter 
      • Specification: 0-0.1 mm (0-0.004 in.) 
  18. If the difference in diameter is out of tolerance, replace the connecting rod bolt.
  19. Line up the mark (A) on the connecting rod and cap, then install the cap.
    Fig 7: Lining Up Mark On Connecting Rod And Cap And Installing Cap
    G03704059Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Apply new engine oil to the bolt threads and flanges. Torque the bolts (B) to 20 N.m (2.0 kgf.m, 14 lbf.ft).
  21. Mark the connecting rod (A) and bolt head (B) as shown in Fig 8 .
    Fig 8: Marking Connecting Rod And Bolt Head
    G03704060Courtesy of AMERICAN HONDA MOTOR CO., INC.
  22. Tighten the bolt until the mark on the bolt head lines up with the mark on the connecting rod (turn the bolt 90°).
    NOTE: Remove the connecting rod bolt if you tightened it beyond the specified angle, and go back to step  16 of the procedure. Do not loosen it back to the specified angle.
  23. Tighten the bearing cap bolts, and then the bearing cap side bolts to the specified torque in the sequence as shown in Fig 9 . Repeat the torque sequence again to measure the bolts are properly torqued.
    Fig 9: Tightening Bearing Cap Bolts And Bearing Cap Side Bolts In Sequence
    G03704061Courtesy of AMERICAN HONDA MOTOR CO., INC.
  24. Remove all of the old liquid gasket from the engine block end cover mating surfaces, bolts, and bolt holes.
  25. Clean and dry the engine block end cover mating surfaces.
  26. Apply a light coat of multipurpose grease to the crankshaft and to the lip of the seal.
  27. Drive the new crankshaft oil seal until the driver attachment bottoms on the engine block end cover.
    Fig 10: Driving New Crankshaft Oil Seal
    G03704062Courtesy of AMERICAN HONDA MOTOR CO., INC.
  28. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0002, 08718-0003, or 08718-0009, evenly to the engine block mating surface of the engine block end cover.
    NOTE: Do not install components if too much time has passed after applying the liquid gasket (for P/N 08718-0002, no more than 4 minutes, for all others, no more than 5 minutes). Instead, remove the old residue and reapply liquid gasket.
    Fig 11: Applying Liquid Gasket To Engine Block Mating Surface Of Engine Block End Cover
    G03704063Courtesy of AMERICAN HONDA MOTOR CO., INC.
  29. Install the dowel pins (A), new O-ring (B), and the engine block end cover (C) on the engine block.
    Fig 12: Installing Dowel Pins, New O-Ring And Engine Block End Cover
    G03704064Courtesy of AMERICAN HONDA MOTOR CO., INC.
  30. Clean the excess grease off the crankshaft, and check the seal for distortion.
  31. Remove all of the old liquid gasket from the oil pump mating surfaces, bolts, and bolt holes.
  32. Clean and dry the oil pump mating surfaces.
  33. Install a new crankshaft oil seal in the oil pump (see step 2 in INSTALLATION ).
  34. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0002, 08718-0003, or 08718-0009, evenly to the engine block mating surface of the oil pump.
    NOTE: Do not install components if too much time has passed after applying the liquid gasket (for P/N 08718-0002, no more than 4 minutes, for all others, no more than 5 minutes). Instead, remove the old residue and reapply liquid gasket.
    Fig 13: Applying Liquid Gasket To Engine Block Mating Surface Of Oil Pump
    G03704065Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Grease the lip of the oil seal, and apply oil to the new O-ring (A).
    Fig 14: Applying Oil To New O-Ring And Installing Dowel Pins
    G03704066Courtesy of AMERICAN HONDA MOTOR CO., INC.
  36. Install the dowel pins (B), then align the inner rotor with the crankshaft, and install the oil pump (C).
  37. Clean the excess grease off the crankshaft, and check the seal for distortion.
  38. Install the baffle plate (D), then install the oil screen (E) with new O-ring (F).
  39. Install the rocker arm oil control solenoid (VTEC solenoid valve)/oil filter assembly (A), with a new rocker arm oil control solenoid filter (VTEC solenoid valve filter) (B) (J35A6 engine), or oil filter base/oil filter assembly, with a new O-ring (J35A7 engine).
    Fig 15: Installing Rocker Arm Oil Control Solenoid Oil Filter Assembly
    G03704067Courtesy of AMERICAN HONDA MOTOR CO., INC.
  40. Install the oil pan (see OIL PAN INSTALLATION  ).
  41. Install the timing belt drive pulley to the crankshaft.
  42. Install the crankshaft position (CKP) sensor A/B (see CKP SENSOR REPLACEMENT ).
  43. Install the cylinder heads:
  44. Install the drive plate (see DRIVE PLATE REMOVAL AND INSTALLATION ).
  45. Install the transmission (see TRANSMISSION INSTALLATION ).
  46. Install the engine assembly (see ENGINE INSTALLATION ).
    NOTE: When any crankshaft or connecting rod bearing is replaced, after assembly it is necessary 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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