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EM-220 [YD] CYLINDER BLOCK CAUTION: If out of specification, take same action mentioned in “Method by measurement”. MAIN BEARING OIL CLEARANCE ● Install main bearings to the cylinder block and bearing cap, and tighten the bolts to the specified torque. − (Crankshaft journal outer diameter) ● If out of specification, check main bearing housing inner diameter and crankshaft journal outer diameter, . Method Using Plastigage ● Remove contamination such as oil and dust completely from ● Cut plastigage slightly shorter than bearing width. place it in ● Install main bearings and bearing cap and tighten to the speci- CAUTION: Never rotate crankshaft. ● Remove main bearings and bearings, and measure plastigage CAUTION: If out of specification, take same action mentioned in “Method by measurement”. ● Install main bearings to the cylinder block and bearing cap, and tighten the bolts to the specified torque. MAIN BEARING CRUSH HEIGHT ● When the bearing cap is removed after being tightened to the ● If out of specification, replace main bearings. MAIN BEARING CAP BOLT DEFORMATION ● Measure the outer diameter of threaded area, d1 and d2, at the ● When the necked point is identified at a point other than where ● Calculate the difference between d1 and d2. Standard : 0.039 - 0.066 mm (0.0015 - 0.0026 in) PBIC0131E Standard : Crush height must exist. SEM502G Limit : 0.13 mm (0.0051 in) JEM219G |