ENGINE UNIT > DISASSEMBLY |
| 1. REMOVE SPARK PLUG |
Remove the 6 spark plugs.
| 2. REMOVE VENTILATION VALVE SUB-ASSEMBLY |
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Remove the ventilation valve sub-assembly.
| 3. REMOVE OIL FILLER CAP SUB-ASSEMBLY |
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Remove the oil filler cap sub-assembly.
| 4. REMOVE OIL FILLER CAP GASKET |
Remove the oil filler cap gasket.
| 5. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY |
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Remove the 9 bolts and cylinder head cover sub-assembly.
| 6. REMOVE CYLINDER HEAD COVER GASKET |
Remove the cylinder head cover gasket.
| 7. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH |
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Remove the 9 bolts and cylinder head cover sub-assembly LH.
| 8. REMOVE CYLINDER HEAD COVER GASKET NO.2 |
Remove the cylinder head cover gasket No.2.
| 9. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY |
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Remove the 2 bolts and 2 camshaft timing oil control valve assemblies from the cylinder heads.
Remove the O-ring from each camshaft timing oil control valve assembly.
| 10. REMOVE VVT SENSOR |
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Remove the 2 bolts and 2 VVT sensors.
| 11. REMOVE ENGINE OIL LEVEL SENSOR |
Remove the 4 bolts, engine oil level sensor and gasket.
| 12. REMOVE OIL LEVEL GAGE SUB-ASSEMBLY |
Remove the oil level gage sub-assembly from the oil level gage guide.
| 13. REMOVE OIL LEVEL GAGE GUIDE |
Remove the bolt and oil level gage guide.
Remove the O-ring from the oil level gage guide.
| 14. REMOVE CRANKSHAFT PULLEY |
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Using SST, loosen the pulley bolt.
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Using SST and the pulley bolt, remove the pulley.
| 15. REMOVE TIMING BELT NO.1 COVER |
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Remove the 4 bolts and timing belt No.1 cover.
| 16. REMOVE TIMING BELT NO.2 COVER |
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Remove the 5 bolts and timing belt No.2 cover.
| 17. REMOVE ENGINE MOUNTING BRACKET RH |
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Remove the 2 bolts, 2 nuts, and engine mounting bracket RH from the water pump assembly.
| 18. REMOVE TIMING BELT GUIDE NO.2 |
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Remove the timing belt guide No.2 from the crankshaft.
| 19. REMOVE TIMING BELT |
Set No.1 cylinder to TDC/compression.
Temporarily install the crankshaft pulley bolt and washer to the crankshaft.
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Turn the crankshaft clockwise, and align the timing marks of the crankshaft timing pulley with the oil pump body.
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Check that timing marks of the camshaft timing pulleys and No.3 timing belt cover are aligned.
Remove the crankshaft pulley bolt.
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If reusing the timing belt, check that there are 4 installation marks on the timing belt as shown in the illustration.
If the installation marks have disappeared, put new installation marks on the timing belt before removing.
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Set No.1 cylinder to approximately 60° BTDC/ compression.
Turn the crankshaft counterclockwise by approximately 60°.
Remove the timing belt tensioner.
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Remove the timing belt in the following order.
| 1st | No.1 idler pulley |
| 2nd | RH camshaft timing pulley |
| 3rd | No.2 idler pulley |
| 4th | LH camshaft timing pulley |
| 5th | Water pump pulley |
| 6th | Crankshaft timing pulley |
| 20. REMOVE TIMING BELT IDLER SUB-ASSEMBLY NO.1 |
Using a socket hexagon wrench 10 mm, remove the pivot bolt, timing belt idler No.1 and distributor drive gear plate washer.
| 21. REMOVE TIMING BELT IDLER SUB-ASSEMBLY NO.2 |
Remove the bolt and timing belt idler sub-assembly No.2.
| 22. REMOVE CRANKSHAFT POSITION SENSOR |
Remove the bolt and crankshaft position sensor.
| 23. REMOVE CAMSHAFT TIMING PULLEY |
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Using SST, remove the bolt and the RH timing pulley.
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Using SST, remove the bolt and the LH timing pulley.
| 24. REMOVE TIMING BELT NO.3 COVER |
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Remove the 6 bolts and timing belt No.3 cover.
Remove the 6 collars and 6 bushings from the timing belt No.3 cover.
| 25. REMOVE TIMING BELT IDLER BRACKET |
Remove the 2 bolts and timing belt idler bracket.
| 26. REMOVE CRANKSHAFT TIMING PULLEY |
Remove the bolt and the timing belt plate.
Install the pulley bolt to the crankshaft.
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Using SST, remove the crankshaft timing pulley.
| 27. REMOVE WATER PUMP ASSEMBLY |
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Remove the 3 bolts and 3 nuts, then remove the water pump and the gasket.
| 28. REMOVE CAMSHAFT |
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Align the timing marks (2-dot mark) of the camshaft drive and the driven gears by turning the camshaft with a wrench.
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Secure the exhaust camshaft sub-gear to the main gear with a service bolt.
| Thread diameter | 6 mm |
| Thread pitch | 1.0 mm |
| Bolt length | 16 to 20 mm |
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Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and the camshaft.
| 29. REMOVE NO.2 CAMSHAFT |
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Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and the No.2 camshaft.
Remove the oil seal from the No.2 camshaft.
| 30. REMOVE NO.3 CAMSHAFT SUB-ASSEMBLY |
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Align the timing marks (1-dot mark) of the camshaft drive and the driven gears by turning the camshaft with a wrench.
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Secure the exhaust camshaft sub-gear to the main gear with a service bolt.
| Thread diameter | 6 mm |
| Thread pitch | 1.0 mm |
| Bolt length | 16 to 20 mm |
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Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and the No.3 camshaft.
| 31. REMOVE NO.4 CAMSHAFT SUB-ASSEMBLY |
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Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and the No.4 camshaft.
Remove the oil seal from the No.4 camshaft.
| 32. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY |
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Clamp the camshaft in a vise on the hexagonal lobe.
Check that the VVT-i does not turn.
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Cover all the oil ports with vinyl tape except the port on the advance angle side (nearest to the convex portion) shown in the illustration.
Apply about 100 kPa (1 kgf/cm2, 14 psi) of air pressure to the port on the advance angle side.
Turn the VVT-i to the advance angle side (the white arrow marked direction in the illustration) by hand.
Check that the VVT-i moves freely within about 30° range. Do not move the VVT-i unit to the most retard angle position as the lock-pin will be engaged again.
Turn the VVT-i by hand and lock it at the most retard angle position.
| 33. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY |
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Clamp the camshaft in a vise on the hexagonal lobe.
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Using a 46 mm socket wrench, remove the lock nut by turning it clockwise.
Remove the camshaft VVT-i.
| 34. REMOVE CAMSHAFT SUB GEAR |
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Clamp the camshaft in a vise on the hexagonal lobe.
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Using SST, turn the sub-gear counterclockwise, and remove the service bolt.
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Using snap ring pliers, remove the snap ring.
Remove the wave washer, camshaft sub-gear and camshaft gear bolt washer.
| 35. REMOVE ENGINE HANGER NO.2 |
Remove the 2 bolts and engine hanger No.2 from the cylinder head.
| 36. REMOVE CYLINDER HEAD COVER REAR |
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Remove the 12 bolts, nut and cylinder head cover rear from the cylinder head.
| 37. REMOVE OIL CONTROL VALVE FILTER |
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Remove the plug, gasket and valve filter.
| 38. REMOVE CYLINDER HEAD SUB-ASSEMBLY |
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Using a socket hexagon wrench 8 mm, remove the hexagon bolt.
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Using several steps, loosen the 8 cylinder head bolts uniformly in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.
| 39. REMOVE CYLINDER HEAD GASKET |
Remove the cylinder head gasket from the cylinder block.
| 40. REMOVE CYLINDER HEAD LH |
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Using a socket hexagon wrench 8 mm, remove the hexagon bolt.
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Using several steps, loosen the 8 cylinder head bolts uniformly in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.
| 41. REMOVE CYLINDER HEAD GASKET NO.2 |
Remove the cylinder head gasket No.2 from the cylinder block.
| 42. REMOVE WATER INLET HOUSING |
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Remove the 8 bolts and 2 nuts, then remove the water inlet housing.
| 43. REMOVE OIL FILTER SUB-ASSEMBLY |
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Using SST, remove the oil filter.
Using a socket hexagon wrench 12 mm, remove the oil filter union.
| 44. REMOVE OIL PAN DRAIN PLUG |
Remove the oil pan drain plug and gasket.
| 45. REMOVE OIL PAN SUB-ASSEMBLY NO.2 |
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Remove the 10 bolts and 2 nuts.
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Insert the blade of SST between oil pan and oil pan No.2, cut off the sealer and remove the oil pan No.2.
| 46. REMOVE OIL STRAINER SUB-ASSEMBLY |
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Remove the bolt and 2 nuts, then remove the oil strainer and the gasket.
| 47. REMOVE OIL PAN SUB-ASSEMBLY |
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Loosen and remove the 17 bolts uniformly.
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Using a screwdriver, remove the oil pan by prying between the cylinder block and the oil pan.
| 48. REMOVE OIL PAN BAFFLE PLATE |
Remove the 6 bolts and the oil pan baffle plate from the oil pan.
| 49. REMOVE ENGINE REAR OIL SEAL RETAINER |
Remove the 6 bolts.
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Using a screwdriver, remove the oil seal retainer by prying between the oil seal retainer and the main bearing cap.
| 50. REMOVE ENGINE REAR OIL SEAL |
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Using a screwdriver and a hammer, tap out the oil seal.
| 51. REMOVE OIL PUMP ASSEMBLY |
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Remove the 9 bolts.
Using a screwdriver, remove the oil pump by prying between the oil pump and the main bearing cap.
Remove the O-ring.
| 52. REMOVE OIL PUMP SEAL |
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Using a screwdriver, pry out the oil seal.
| 53. REMOVE SPARK PLUG TUBE GASKET |
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Bend up the tab on the ventilation baffle plate which prevents the gasket from slipping out.
Using a screwdriver and a hammer, tap out the gasket.
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Using needle-nose pliers, pry out the gasket.
| 54. INSPECT TIMING BELT |
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If there is premature parting:
If the belt teeth are cracked or damaged, check if either camshaft is locked.
If there is noticeable wear or cracks on the belt face, check if there are nicks on the side of the idler pulley lock and water pump.
If there is wear or damage to only one side of the belt, check the belt guide and the alignment of each pulley.
If there is noticeable wear on the belt teeth:
| 55. INSPECT CAMSHAFT |
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Inspect camshaft for runout.
Place the camshaft on V-blocks.
Using a dial indicator, measure the runout at the center journal.
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Inspect cam lobes.
Using a micrometer, measure the cam lobe height.
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Inspect camshaft journals.
Using a micrometer, measure the journal diameter.
| 56. INSPECT CYLINDER HEAD SET BOLT |
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Using vernier calipers, measure the tension portion diameter of the bolt.
| 57. REMOVE W/ HEAD STRAIGHT SCREW PLUG NO.1 (RH CYLINDER) |
Using a hexagon wrench 14 mm, remove the 2 straight screw plugs and 2 gaskets.
| 58. REMOVE W/ HEAD STRAIGHT SCREW PLUG NO.2 (LH CYLINDER) |
Using a hexagon wrench 14 mm, remove the 2 straight screw plugs and 2 gaskets.
| 59. REMOVE VALVE LIFTER |
| 60. REMOVE INTAKE VALVE |
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Using SST, compress the valve spring and remove the 2 retainer locks, retainer, spring and valve.
| 61. REMOVE EXHAUST VALVE |
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Using SST, compress the valve spring and remove the 2 retainer locks, retainer, spring and valve.
| 62. REMOVE VALVE STEM OIL SEAL OR RING |
Using needle-nose pliers, remove the oil seals.
| 63. REMOVE VALVE SPRING SEAT |
Remove the valve spring seats from the cylinder head.
| 64. REMOVE SEMICIRCULAR PLUG |
Remove the semicircular plug from the cylinder head.
| 65. INSPECT CYLINDER HEAD FOR FLATNESS |
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Using a precision straight edge and a feeler gauge, measure the warpage of the contacting surface between the cylinder block and the manifolds.
| 66. INSPECT CYLINDER HEAD FOR CRACKS |
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Using a dye penetrant, check the combustion chamber, intake ports, exhaust ports and cylinder block surface for cracks.
If cracked, replace the cylinder head.
| 67. INSPECT INTAKE VALVE |
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Check the valve overall length.
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Using a micrometer, measure the diameter of the valve stem.
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Check the valve head margin thickness.
| 68. INSPECT EXHAUST VALVE |
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Check the valve overall length.
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Using a micrometer, measure the diameter of the valve stem.
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Check the valve head margin thickness.
| 69. INSPECT INNER COMPRESSION SPRING |
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Using vernier calipers, measure the free length of the valve spring.
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Using a steel square, measure the deviation of the valve spring.
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Using a spring tester, measure the tension of the valve spring at the specified installed length.
| 70. INSPECT VALVE GUIDE BUSHING OIL CLEARANCE |
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Using a caliper gauge, measure the inside diameter of the guide bushing.
Subtract the valve stem diameter measurement from the guide bushing inside diameter measurement.
| 71. REMOVE VALVE GUIDE BUSH |
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Heat the cylinder head to 80 to 100°C (176 to 212°F).
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Using SST and a hammer, tap out the guide bush.
| 72. INSTALL VALVE GUIDE BUSH |
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Using a caliper gauge, measure the bush bore diameter of the cylinder head.
| Bush diameter | |
| STD | 10.333 to 10.344 mm (0.4068 to 0.4072 in.) |
| O/S | 10.383 to 10.394 mm (0.4088 to 0.4092 in.) |
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Using vernier calipers, measure the new bush length.
| Bush length | |
| Intake | 34.5 mm (1.358 in.) |
| Exhaust | 40.5 mm (1.594 in.) |
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Heat the cylinder head to 80 to 100°C (176 to 212°F)
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Using SST and a hammer, tap in a new guide bush to the specified protrusion height.
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Using a sharp 5.5 mm reamer, ream the guide bush to obtain the standard specified clearance between the guide bush and the valve stem.
| 73. INSPECT VALVE SEATS |
Apply a light coat of prussian blue (or white lead) to the valve face.
Lightly press the valve against the seat.
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Check the valve face and seat according to the following procedure.
If prussian blue appears around the entire face, the valve is concentric. If not, replace the valve.
If prussian blue appears around the entire valve seat, the guide and face are concentric. If not, resurface the seat.
Check that the seat contacts in the middle of the valve face with the width between 1.0 and 1.4 mm (0.039 and 0.055 in.).
| 74. REPAIR VALVE SEATS |
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If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.
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If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
Handrub the valve and valve seat with an abrasive compound.
Recheck the valve seating position.
| 75. INSPECT VALVE LIFTER |
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Using a micrometer, measure the lifter diameter.
| 76. INSPECT VALVE LIFTER OIL CLEARANCE |
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Using a caliper gauge, measure the lifter bore diameter of the cylinder head.
Subtract the lifter diameter measurement from the lifter bore diameter measurement.
| 77. INSPECT CAMSHAFT GEAR BACKLASH |
Install camshaft timing gear assembly.
Install the camshafts to the cylinder head.
Set the dial indicator to the teeth of the intake camshaft at a right angle (90°).
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Measure the backlash of the camshaft timing gear at least 4 positions.
| 78. INSPECT CAMSHAFT THRUST CLEARANCE |
Install the camshafts.
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Using a dial indicator, measure the thrust clearance while moving the camshaft back and forth.
| 79. INSPECT CAMSHAFT OIL CLEARANCE |
Clean the bearing caps and camshaft journals.
Place the camshafts on the cylinder head.
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Lay a strip of Plastigage across each of the camshaft journal.
Install the bearing caps.
Remove the bearing caps.
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Measure the Plastigage at its widest point.
| 80. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY |
Remove the water drain cock sub-assembly from the cylinder block.
| 81. REMOVE WATER SEAL PLATE |
Remove the 2 nuts and water seal plate from the cylinder block.
| 82. REMOVE CYLINDER BLOCK W/ HEAD STRAIGHT SCREW NO.1 PLUG |
Using a socket hexagon wrench 10 mm, remove the straight screw No.1 plug and gasket.
| 83. REMOVE CYLINDER BLOCK W/ HEAD STRAIGHT SCREW NO.2 PLUG |
Using a socket hexagon wrench 10 mm, remove the straight screw No.2 plug and gasket.
| 84. REMOVE CYLINDER BLOCK W/ HEAD STRAIGHT SCREW NO.3 PLUG |
Using a socket hexagon wrench 10 mm, remove the straight screw No.3 plug and gasket.
| 85. INSPECT CONNECTING ROD THRUST CLEARANCE |
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Using a dial indicator, measure the thrust clearance while moving the connecting rod back and forth.
| 86. INSPECT CONNECTING ROD OIL CLEARANCE |
Check that the matchmarks on the connecting rod and cap are aligned to ensure correct reassembly.
Remove the 2 connecting rod cap bolts.
Clean the crank pin, the bearing and the connecting rod.
Check the crank pin and bearing for pits and scratches.
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Lay a strip of Plastigage across the crank pin.
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Check that the protrusion of the connecting rod cap is facing the correct direction.
Apply a light coat of engine oil to the threads of the connecting rod cap bolts.
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Tighten the bolts in several steps to the specified torque.
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Mark the front side of each connecting cap bolt with paint.
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Retighten the cap bolts by 90° as shown in the illustration.
Remove the 2 bolts, the connecting rod cap and the lower bearing.
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Measure the Plastigage at its widest point.
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If replacing the bearing, replace it with one having the same number as marked on the connecting rod.
| Mark | mm (in.) |
| "1" | 1.484 to 1.487 (0.0584 to 0.0585) |
| "2" | 1.488 to 1.490 (0.0586 to 0.0587) |
| "3" | 1.491 to 1.493 (0.0587 to 0.0588) |
| "4" | 1.494 to 1.496 (0.0588 to 0.0589) |
| 87. REMOVE PISTON SUB-ASSEMBLY W/ CONNECTING ROD |
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Using a ridge reamer, remove all the carbon from the top of the cylinder.
Push out the piston and the connecting rod assembly from the top of the cylinder block.
| 88. REMOVE CONNECTING ROD BEARING |
Remove the connecting rod bearing from the connecting rod and connecting rod bearing cap.
| 89. REMOVE PISTON RING SET |
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Using a piston ring expander, remove the 2 compression rings.
Using a piston ring expander, remove the oil ring side rail.
Remove the oil ring expander by hand.
| 90. REMOVE PISTON PIN HOLE SNAP RING |
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Using a screwdriver, pry out the 2 snap rings.
| 91. REMOVE W/ PIN PISTON SUB-ASSEMBLY |
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Gradually heat the piston to approximately 80°C (176°F).
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Using a plastic hammer and a brass bar, lightly tap out the piston pin and remove the connecting rod.
| 92. INSPECT CRANKSHAFT THRUST CLEARANCE |
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Using a dial indicator, measure the thrust clearance while prying the crankshaft back and forth with a screwdriver.
| 93. REMOVE CRANKSHAFT |
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Using several steps, loosen and remove the 8 main bearing cap bolts and seal washers uniformly in the sequence shown in the illustration.
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Using several steps, loosen and remove the 16 main bearing cap bolts uniformly in the sequence shown in the illustration.
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Using a screwdriver, pry out the main bearing caps. Remove the 4 main bearing caps and the lower bearings.
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Check the damaged the joint surface of the cylinder block and the main bearing cap.
| 94. REMOVE CRANKSHAFT THRUST WASHER SET |
Remove the crankshaft thrust washer set.
| 95. REMOVE CRANKSHAFT BEARING |
Remove the crankshaft bearing from the cylinder block and crankshaft bearing cap.
| 96. INSPECT CYLINDER BLOCK FOR FLATNESS |
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Using a precision straight edge and feeler gauge, measure the warpage of the contacting surface of the cylinder head gasket.
| 97. INSPECT CYLINDER BORE |
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Using a cylinder gauge, measure the cylinder bore diameter at positions A and B in the thrust and axial directions.
| 98. INSPECT W/ PIN PISTON SUB-ASSEMBLY |
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Using a micrometer, measure the diameter of the piston. When measuring the diameter, attach the micrometer to a location where 13.0 mm (0.512 in.) above from the piston bottom at the right angles to the piston pin hole.
| 99. INSPECT PISTON OIL CLEARANCE |
Subtract the piston diameter measurement from the cylinder bore diameter measurement.
| 100. INSPECT CONNECTING ROD |
Using a rod aligner and feeler gauge, check the connecting rod alignment.
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Check for misalignment.
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Check for twist.
| 101. INSPECT PISTON PIN OIL CLEARANCE |
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Using a caliper gauge, measure the inside diameter of the connecting rod bushing.
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Using a micrometer, measure the piston pin diameter.
Subtract the piston pin diameter measurement from the bushing inside diameter measurement.
| 102. REMOVE CONNECTING ROD SMALL END BUSH |
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Using SST and a press, press out the bushing.
| 103. INSTALL CONNECTING ROD SMALL END BUSH |
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Align the oil holes of a new bushing and the connecting rod.
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Using SST and a press, press in the bushing.
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Using a pin hole grinder, hone the bushing to obtain the standard specified clearance between the bushing and piston pin.
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Check the piston pin fit at normal room temperature, coat the piston pin with engine oil, and push it into the connecting rod with your thumb.
| 104. INSPECT RING GROOVE CLEARANCE |
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Using a feeler gauge, measure the clearance between a new piston ring and the wall of the ring groove.
| Item | Specified Condition |
| No.1 | 0.03 to 0.08 mm (0.0012 to 0.0031 in.) |
| No.2 | 0.02 to 0.06 mm (0.0008 to 0.0024 in.) |
| Oil (Side rail) | 0.03 to 0.11 mm (0.0012 to 0.0043 in.) |
| 105. INSPECT PISTON RING END GAP |
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Using a piston, push the piston ring a little beyond the bottom of the ring travel, 110 mm (4.33 in.) from the top of the cylinder block.
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Using a feeler gauge, measure the end gap.
| Item | Specified Condition |
| No.1 | 0.30 to 0.40 mm (0.0118 to 0.0157 in.) |
| No.2 | 0.50 to 0.60 mm (0.0197 to 0.0236 in.) |
| Oil (Side rail) | 0.15 to 0.40 mm (0.0059 to 0.0157 in.) |
| Item | Specified Condition |
| No.1 | 0.95 mm (0.0374 in.) |
| No.2 | 1.05 mm (0.0413 in.) |
| Oil (Side rail) | 1.00 mm (0.0394 in.) |
| 106. INSPECT CONNECTING ROD BOLT |
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Using vernier calipers, measure the tension portion diameter of the bolt.
| 107. INSPECT CRANKSHAFT BEARING CAP SET BOLT |
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Using vernier calipers, measure the tension portion diameter of the bolt.
| 108. INSPECT CRANKSHAFT |
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Using a dial indicator and V-blocks, measure the runout as shown in the illustration.
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Using a micrometer, measure the diameter of each main journal.
Check each main journal for taper and out-of-round as shown.
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Using a micrometer, measure the diameter of each crank pin.
Check each crank pin for taper and out-of-round as shown.
| 109. INSPECT CRANKSHAFT OIL CLEARANCE |
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Clean each main journal and bearing.
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Align the bearing key with the keyway of the cylinder block, and push in the 4 upper bearings.
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Align the bearing key with the keyway of the main bearing cap, and push in the 4 lower bearings.
Place the crankshaft on the cylinder block.
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Lay a strip of Plastigage across each journal.
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Examine the front marks and numbers and install the bearing caps on the cylinder block.
Apply a light coat of engine oil to the threads of the bearing cap bolts.
Temporarily install the 8 main bearing cap bolts to the inside positions.
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Install the main bearing cap by hand until clearance between the cylinder block and the bearing cap becomes 6 mm (0.23 in.) or less.
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Using a plastic-faced hammer, lightly tap the bearing cap to ensure a proper fit.
Apply a light coat of engine oil to the threads of the main bearing cap bolts.
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Using several steps, install and tighten the 16 main bearing cap bolts uniformly in the sequence shown in the illustration.
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Mark the front side of the bearing cap bolts with paint.
Retighten the bearing cap bolts by 90° in the same sequence shown as step (l).
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Check that each painted mark is now at a 90° angle to the front.
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Using several steps, install and tighten the 8 main bearing cap bolts uniformly in the sequence shown in the illustration.
Remove the main bearing caps.
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Measure the Plastigage at its widest point.
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If replacing a bearing, replace it with one having the same number. If the number of the bearing cannot be determined, select the correct bearing by adding together the numbers imprinted on the cylinder block and crankshaft, then refer to the table below for the appropriate bearing number. The No.1 and No.2 journal bearings come in sizes, marked "3", "4", "5", "6" and "7". The No.3 and No.4 journal bearings come in 5 standard bearing sizes, marked "1", "2", "3", "4" and "5".
| Crankshaft number mark | Cylinder block number mark | ||||||||||||||||
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| 00 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 |
| 01 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 02 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| 03 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
| 04 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| 05 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| 06 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| 07 | 4 | 4 | 5 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 08 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
| 09 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| 10 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| 11 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
| 12 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Crankshaft number mark | Cylinder block number mark | ||||||||||||||||
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| 00 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| 01 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 02 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| 03 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| 04 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| 05 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| 06 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| 07 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 08 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 |
| 09 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| 10 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 |
| 11 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
| 12 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 |
| Item | Mark | mm (in.) |
| Cylinder block main journal bore diameter (A) | "00" "01" "02" "03" "04" "05" "06" "07" "08" "09" "10" "11" "12" "13" "14" "15" "16" | 66.000 (2.5984) 66.001 (2.5985) 66.002 (2.5985) 66.003 (2.5985) 66.004 (2.5986) 66.005 (2.5986) 66.006 (2.5987) 66.007 (2.5987) 66.008 (2.5987) 66.009 (2.5988) 66.010 (2.5988) 66.011 (2.5989) 66.012 (2.5989) 66.013 (2.5989) 66.014 (2.5990) 66.015 (2.5990) 66.016 (2.5990) |
| Crankshaft main journal diameter (B) | "00" "01" "02" "03" "04" "05" "06" "07" "08" "09" "10" "11" "12" | 61.000 (2.4016) 60.999 (2.4015) 60.998 (2.4015) 60.997 (2.4015) 60.996 (2.4014) 60.995 (2.4014) 60.994 (2.4013) 60.993 (2.4012) 60.992 (2.4012) 60.991 (2.4012) 60.990 (2.4012) 60.989 (2.4011) 60.988 (2.4011) |
| Standard bearing center wall thickness | "1" "2" "3" "4" "5" "6" "7" | 2.486 to 2.489 (0.0979 to 0.0980) 2.489 to 2.492 (0.0980 to 0.0981) 2.492 to 2.495 (0.0981 to 0.0982) 2.495 to 2.498 (0.0982 to 0.0983) 2.498 to 2.501 (0.0983 to 0.0985) 2.501 to 2.504 (0.0985 to 0.0986) 2.504 to 2.507 (0.0986 to 0.0987) |