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1D-116 Engine Mechanical: For J20 Engine • Connecting rod bearing clearance: a. Before checking bearing clearance, clean bearing and crank pin. b. Install bearing in connecting rod and bearing cap. crank pin as contacted by bearing (parallel to d. Install connecting rod bearing cap (1) as follows. i. Point arrow mark (2) on cap to crankshaft ii. Apply engine oil to connecting rod bolts (3). ⋅m (1.5 kgf-m, 11.0 lb-ft). iv. Retighten them by turning through 45 °. v. Repeat step d) once again. Tightening torque ⋅m (1.5 kgf-m, 11.0 lb-ft), 45 ° and 45° by the specified procedure. NOTE
e. Remove connecting rod bearing cap, and using a scale (2) on gauging plastic envelope, measure Bearing clearance f. If clearance can not be brought to within its limit connecting rod big end. – Measure bore diameter of connecting rod big end. – Regrind crankpin to the following finished diameter. – Confirm that bearing clearance is within the standard value. NOTE
I2RH01140165-01 I4RH01140037-01 Standard Limit 0.045 – 0.063 mm (0.0018 – 0.0025 in.) 0.08 mm (0.0031 in.) Finished diameter = Measured big end bore diameter (including undersize bearing) – 0.054 mm (0.0021 in.) I2RH01140167-01 |