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Home >> Kia >> 2011 >> Optima L4-2.4L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Crankshaft Main Bearing
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Crankshaft Main Bearing





Main Bearing

Install the main bearing cap bolts.

CAUTION: Always use new main bearing cap bolts.

NOTE:
- The main bearing cap bolts are tightened in 3 progressive steps.
- If any of the bearing cap bolts in broken or deformed, replace it.

- Apply a light coat of engine oil on the threads and under the bearing cap bolts.
- Using the SST (09221-4A000), install and uniformly tighten the 10 bearing cap bolts, in several passes, in the sequence shown.

Tightening torque 14.7N.m (1.5kgf.m, 10.8lb-ft) + 27.5 - 31.4Nm (2.8 - 3.2kgf.m, 20.3 - 23.1lb-ft) + 120 - 125°






Crankshaft











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