Install main bearing caps and main
bearing shells in their original
position. Main bearing caps are
numbered 1,2,3,4, and 5. Upper
bearing shell has an oil hole and
groove for lubrication, and lower
bearing shell is smooth with no
groove or oil hole.
Remove five main bearing caps (7)
from cylinder block. Attach lower shell
of main bearings (8) and lower thrust
washers (9) (rear cap only) to
If hoist and sling are not
available, use two or more
men to remove crankshaft.
Crankshaft Is heavy and
awkward to handle. Serious
injury can result If crankshaft
Remove crankshaft from cylinder
block. Do not dislodge upper bearing
shells (10) and upper thrust washers
Remove five upper bearing shells
(10) and two upper thrust washers
(11) from block and mark with
corresponding main bearing
Remove six bolts (12) from rear crankshaft gear (13). Use universal puller to remove gear
from crankshaft (14).
Remove slip fit oil pump driving gear (15) from front of crankshaft. Remove Woodruff key (16)
and spacer ring (17) from crankshaft.
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