Lower Crankcase Installation LDK

Special Tools

EN-45059 Angle Meter

For equivalent regional tools, refer to Special Tools.

1. Install the upper crankshaft bearings (1) in the engine block (2) and lubricate bearing surfaces with engine oil.



2. Install the crankshaft (1) on the journals.



3. Install the lower bearing halves (1), without grooves, into the lower crankcase (2). Apply oil to bearing surfaces.




Note: 

•	The block assembly surface must be free of contamination prior to applying the sealer.

•	Install and align the bedplate to block within 20 minutes of applying the sealer.

•	The bedplate must be fastened to final torque specification within 60 minutes of applying the sealer.

4. Apply a 4.25 mm bead of sealer, dimension a, directly in the groove of the block to bedplate mating surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers.



5. Install the lower crankcase (1). Tap gently into place with a suitable tool, if necessary. Ensure the lower crankcase is aligned properly on the dowels.

Caution: Refer to Fastener Caution in the Preface section.




6. Install the NEW crankshaft bearing bolts in sequence finger tight.
7. Tighten the crankshaft bearing bolts:

7.1.	Tighten the crankshaft bearing bolts a first pass in sequence to 20 N·m (15 lb ft).

7.2.	Using the EN-45059 angle meter , tighten the crankshaft bearing bolts a final pass in sequence to 70 degrees.





Note: Do not forget the 2 rear outer bolts.

8. Install the lower crankcase perimeter bolts (1-10) and tighten to 25 N·m (18 lb ft).