Crankshaft Main Bearings Removal - Jeep 1987 Wrangler Workshop Manual

ENGINES
2.46 LITER (150 CID) FOUR-CYLINDER ENGINE
CRANKSHAFT MAIN BEARINGS REMOVAL
Remove the spark plugs.
Disconnect the battery cables.
Raise and support the vehicle.
Drain the engine oil.
Remove the oil pan. Refer to Oil Pan Removal
for the procedure.
Remove the oil pump. Refer to Oil Pump
Removal for the procedure.
Remove the first main bearing cap and lower
insert.
83116
Remove the lower bearing insert from the
bearing cap.
Remove the upper bearing insert by loosening
all of the other bearing caps and inserting a
small cotter pin tool in the crankshaft journal
oil hole.
Bend a cotter pin as illustrated to fabricate the
tool.
NOTE: A tongue depressor may also be used to
remove the bearing insert.
84192
With the cotter pin tool in place, rotate the
crankshaft so that the upper bearing insert will
rotate in the direction of its locking tab.
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