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Jill
E M U S
IPS
4.2 L i r a (zm i i ) SDMHUNDSR EiGins
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SEE
I.S.
N
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S
Connecting Hoi
Bearings Inspection
Refer to the MOT. 4 . 2 L manual for the
procedure.
Bearing-to-Journal Clearance Measuring
(with Plastigage)
Refer to the MOT. 4 . 2 L manual for the
procedure.
Connecting Roi Bearings Installation
Lubricate the bearing surface of each insert with
clean engine oil.
C A U T I O N : U s e c a r e w h e n rotating the
crankshaft with the bearing caps removed.
Ensure that the connecting rod bolts do not
accidentally c o m e into contact with the
crankshaft journals and scratch the surface.
Bearing failure would result. Short pieces of
rubber hose, slipped over the connecting rod
bolts, will provide protection during installation.
Install the connecting rod, bearing inserts and
cap
around the journal and secure with the
retaining nuts. Tighten with 45 N-m (33 ft-lbs)
torque.
Install the oil pan using the replacement gaskets
and seals. Tighten the drain plug securely. Refer
to Oil Pan Installation for the procedure.
Fill the crankcase with engine oil to the specified
level.
Piston Replacement/Servicing
For
piston replacement and servicing proce-
dures, refer to the MOT. 4.2L manual.
CRANKSHAFT REPLACEMENT
Replace the crankshaft if it is damaged to the
extent that reconditioning is not feasible.
CRANKSHAFT REMOVAL/INSTALLATION
Removal and installation procedures are
described in the MOT. 4.2L manual.
Crankshaft Main Bearings Removal
Drain the engine oil.
Remove the oil pan. Refer to Oil Pan Removal
for the procedure.
Remove the main bearing cap and lower insert.
Remove the lower insert from the bearing cap.
Remove the upper insert by loosening all of the
other bearing caps and insert a small cotter pin
tool in the crankshaft journal oil hole.
Bend the cotter pin as illustrated to fabricate the
tool. A tongue depressor may also be used to
remove the bearing insert.
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Table of Contents
Troubleshooting
