CRANKSHAFT OIL CLEARANCE INSPECTION/REPAIR [MZR-CD 2.2]
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1. Position a plastigage above the journals in the axial direction.
2. Install the main bearing cap. (See CYLINDER BLOCK ASSEMBLY (I) [MZR-CD 2.2].)
3. Remove the main bearing cap. (See CYLINDER BLOCK DISASSEMBLY (II) [MZR-CD 2.2].)
4. Measure the main journal oil clearance.
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• If it exceeds the maximum specification, replace the main bearing or grind the main journal, and install the oversize bearings so that the specified oil clearance is obtained.
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Main journal standard oil clearance
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0.025—0.044 mm {0.0010—0.0017 in}
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Main journal maximum oil clearance
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0.08 mm {0.003 in}
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Main bearing thickness
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STD: 2.007—2.022 mm {0.07902—0.07960 in}
O.S. 0.25 mm {0.01 in} : 2.129—2.139 mm {0.08382—0.08421 in}
O.S. 0.50 mm {0.02 in}: 2.254—2.264 mm {0.08875—0.08913 in}
O.S. 0.75 mm {0.03 in}: 2.379—2.389 mm {0.09367—0.09405 in}