lexus Workshop Repair Guides

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Crankshaft, Engine > < Engine - Main Bearing Journal Diameter Stamping Revision|Page 2085
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Crankshaft Main Bearing: Specifications

Crankshaft bearing cap set bolt diameter

Standard .....................................................................................................................................................................  7.5 to 7.6 mm (0.295 to 0.299 inch)
Minimum ...........................................................................................................................................................................................  7.2 mm (0.283 inch)

Main journal diameter ...................................................................................................................................  52.992 to 53.000 mm (2.0863 to 2.0866 inch)
Main journal taper and out-of-round

Maximum .......................................................................................................................................................................................  0.02 mm (0.0008 inch)

Using several steps, install and tighten the 16 main bearing cap bolts uniformly in the sequence shown in the illustration.

Step 1 ................................................................................................................................................................................  22 Nm (224 kgf-cm, 16 ft. lbs.)
Step 2 ...................................................................................................................................................................................................................  Turn 90°

Using several steps, install and tighten the 8 main bearing cap bolts uniformly in the sequence shown in the illustration.

Torque ..............................................................................................................................................................................  27 Nm (275 kgf-cm, 20 ft. lbs.)

Crankshaft, Engine > < Engine - Main Bearing Journal Diameter Stamping Revision|Page 2085