CYLINDER BLOCK - CONTINUED
CLEANING/INSPECTION - CONTINUED
Cylinder block (1)
Check main bearing capscrew threads
(2) for damage.
If damage exists, tag for thread
repair, step 28.
Check main bearing caps (3) for loose-
ness in cylinder block.
If any perceptible clearance or
shake exists, tag main bearing cap
for replacement, steps 36 thru 39.
Main bearing cap bolts must be tightened alternately and slowly to ensure proper seating
of bearing caps.
13. Cylinder block (1)
Position in cylinder block in their respec-
tive locations as tagged.
14. Main bearing
Lubricate with clean lubricating oil.
Install through main bearing caps.
Using 3/4-inch drive 1 1/2-inch socket
and 0 to 600 ft lb torque wrench, tighten
each capscrew to 140 to 150 ft lb
(197 to 210 Nm) to seat main bearing
caps, then continue to tighten each cap-
screw to 300 to 310 ft lb (407 to 420
16. Cylinder block (1)
Using dial bore gage (6), measure main
bearing bores horizontally, vertically, and
If main bearing cap has been deter-
mined to be distorted, or If main
bearing bore diameter is greater than
4.7505 inch (120.883 mm), tag
cylinder block for reaming, steps 41
Inspect for chips, scores, or scratches.
If camshaft bushings are chipped,
scored, or scratched, tag camshaft
bushings for replacement, steps 51