CRANKSHAFT MAIN BEARINGS REMOVAL/INSTALLATION (CONT)
(Sheet 5 of 7)
8. Bearing clearance (cont)
f Scribe a mark across each bolt head and
Do not use an impact wrench on the journal to be
measured or a journal next to the one to be
measured. This will cause a compression of the
g. Tighten the bolts opposite the tab end an
plastigage that will cause an incorrect indication.
h. Tighten the bolts on the tab end an addi-
Make sure the bearing caps have been installed
correctly. The identification number on each
(3) must aline with the number stamped on
the left side of the cylinder block. The arrow
(4) must point toward the front of the block.
i. Remove main bearing caps and plastigage.
j. Measure thickness of plastigage to deter-
mine bearing clearance. Clearance for new
bearings must be 0.0036 to 0.0073 in.
(0.091 to 0.186 mm). Maximum clearance
for used bearings is 0.010 in. (0.25 mm).
k. Once correct clearance has been obtained,
install and retighten bearing cap, following
steps 8c thru 8h above.
Go on to Sheet 6