Crankshaft and Bearings Installation
Crankshaft and Bearings installationTools Required
^ J 36660-A Torque Angle Meter
1. Install the upper crankshaft main bearings into the block.
2. Lubricate the upper crankshaft main bearing surface with clean engine oil.
3. Install the crankshaft.
Important: Refer to the pin stamp on the crankshaft bearing caps for sequence and direction of installation. The pin stamp arrow points to the front of the engine.
4. Install the lower crankshaft main bearings into the main bearing caps.
5. Lubricate the lower crankshaft main bearing surface with clean engine oil.
6. Install the crankshaft main bearing caps.
Important: The crankshaft main bearing cap stiffener is directional. The end marked front goes to the front
7. Install the crankshaft main bearing cap stiffener.
8. Install new crankshaft main bearing bolts. Start the crankshaft main bearing cap bolts by hand. Ensure the bottom of the crankshaft main bearing cap is parallel to the block surface.
Notice: Refer to Fastener Notice in Service Precautions.
Crankshaft main bearing torque Sequence:
9. Tighten the crankshaft main bearing cap bolts in equal increments.
9.1. Tighten the crankshaft main bearing cap bolts to 25 Nm (18 ft. lbs.) in sequence.
9.2. Use J 36660-A to tighten the crankshaft main bearing cap bolts an additional 180 degrees.