AR03.20-P-4351A Remove/Install Crankshaft

Removing, Installing Crankshaft






1 Remove engine
2 Remove timing case cover
3 Remove end cover
4 Remove pistons
5 Unbolt crankshaft bearing caps (2, 2a)

NOTE:
- The crankshaft bearing caps (2, 2a) are consecutively numbered, beginning with the first crankshaft bearing cap.
- Pay attention to front interference fit.
- Installation: examine bolts of crankshaft bearing caps

- Oil thread and bolt head contact surface of bolts of crankshaft bearing caps, tighten from the inside to the outside, beginning at the fitted bearing.
- Rotate crankshaft, check that it rotates freely.

6 Remove crankshaft (20) from crankcase

NOTE: Installation: oil bearing shells before inserting the crankshaft.

- The oil grooves in the thrust washers (22) and (23) must face toward the thrust collars of the crankshaft.
- The thrust washers (22) in the bearing cap each have two locating lugs as an anti-twist lock. See Bearing diagram of crankshaft.