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Do not rotate crankshaft with Plastigage® on crankshaft journals. 21. Remove main bearing cap and check bearing clearance. The widest point of Plastigage® is the smallest clearance, and the narrowest point of Plastigage is the largest 22. If oil clearance exceeds specification grind and polish crankshaft and use undersized main bearings. Oil clearance : 0.00095~0.00165in (0.024~0.042mm) 23. Lift crankshaft out of cylinder block and carefully remove Plastigage® from main bearings and crankshaft journals. 24. Apply a light coat of engine oil on main bearing and install crankshaft by gently lowering it onto bearing. 25. Apply a light coat of oil on crankshaft main bearing journals and on main bearing on marin bearing cap. 26. Install main bearing caps along with lower main bearings according to cap number and ←mark. 27. Tighten main bearing cap bolts according to the following proedure : A. Tighten bolts in order shown. Tightening torque : 28.9lb·ft (39.2N·m, 4kg-m) B. Loosen bolts in reverse or order shown. C. Retighten bolts in order shown Tightening torque : 14.5lb·ft (19.6N·m, 2kg-m) D. Mark bolts for rotational reference. E. Ratate bolt 90° (1/4turn) in order shown. F. Rotate bolts another 60° (1/6 turn) in order shown. |