CRANKSHAFT OIL CLEARANCE INSPECTION/REPAIR [WLT-1, WLT-2, WL-3]
id011097502600
1. Position a plastigage on top of the journals in the axial direction.
2. Install the main bearing cap. (See CYLINDER BLOCK ASSEMBLY (I) [WLT-1, WLT-2, WL-3].)
3. Remove the main bearing cap. (See CYLINDER BLOCK ASSEMBLY (III) [WLT-1, WLT-2, WL-3].)
4. Measure the main journal oil clearance.
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• If the clearance exceeds the maximum specification, replace the main bearing or grind the main journal and install the undersize bearings so that the specified oil clearance is obtained.
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Standard main journal clearance
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No.1, 2, 4, 5: 0.027—0.046 mm {0.0011—0.0018 in}
No.3: 0.044—0.063 mm {0.0018—0.0025 in}
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Maximum main journal clearance
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0.08 mm {0.0031 in}
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Main bearing thickness
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Standard: 2.006—2.021 mm {0.0790—0.0795 in}
0.25 {0.01} undersize: 2.124—2.134 mm {0.0837—0.0840 in}
0.50 {0.02} undersize: 2.249—2.259 mm {0.0886—0.0889 in}
0.75 {0.03} undersize: 2.374—2.384 mm {0.0935—0.0938 in}