CONNECTING ROD AND PISTON MAINTENANCE.
This task covers:
Oil Pan Removed
General Mechanics Tool Kit
Cylinder Head Removed
Ring Compressor (J-8037)
Oil Pump Removed
General Safety Instructions
(Appendix D, Item 22)
Transmission in (N) neutral.
Parking brake and micro-brakelock set.
Lint Free Cloth
(Appendix D, Item 12)
f. Remove the rod and piston assembly through
a. Place a cloth (Appendix D, Item 12) on top of
the top of the cylinder bore.
b. Use a ridge reamer to remove any ridges or
deposits from the upper end of the cylinder
If connecting rod bearings, are to be
reused, place them in an organizer rack
so they can be returned to their original
c. Turn the crankshaft until the piston is at the top
of the stroke and remove the cloth and cuttings.
g. Remove the connecting rod bearings.
d. Remove the connecting rod cap.
a. Inspect connectin rods for cracks twisting, or
Check the connecting rod and cap for
bending. Replace connecting rods if damaged.
identification marks. Mark the parts if
required. The connecting rod and cap
b. Inspect the pistons for cracked ring lands, skirts
must be kept together as mating parts.
or pin bosses, wavy or worn ring lands, scuffed
or damaged skirts, eroded areas at top of piston,
e. Attach two short pieces of 3/8 inch (10 mm)
any other damage or excessive wear. Replace
hose to the connecting rod bolts to protect the
pistons that are damaged or show signs of
crankshaft bearing journal during removal of the
connecting rod and piston.