So They May Be Reinstalled In Their Original - Chevrolet 1973 Overhaul Manual

Fig. 4 7 —Removing C onnecting Rod and Piston
Assem blies
operations, modifications to the tool are necessary. To
allow adequate clearance for these bosses, turn or grind
the upper portion of the tool to the dimensions shown in
Figure 49.
Modification of the tool as described does not affect tool
application on other pistons.
1. Remove connecting rod bearings from connecting
rods and caps.
NOTE: If connecting rod bearings are being
reused, place them in a rack so they may be
reinstalled in their original rod and cap.
2. Remove piston rings by expanding and sliding
them off the pistons. Tools J-8020 (3-9/16"), J-8021
(3 7/8"), J-8032 (4"), J- 22249 (3-15/16"), J-22147
B O S S E S
Fig. 48 —Piston Bosses
Fig. 4 9 —Piston Support Tool Rework
(4-3/32"), and J-22250 (4-1/4") are available for
this purpose.
3. Using Tool J-9500 for In-Line and "Small V8" (fig.
50) or Tool J- 6994 for "M ark IV V8" (fig. 51),
place connecting rod and piston assembly in an
arbor press with piston on Support then using
Remover, press piston pin out of connecting rod
and piston.
4. Remove assembly from arbor press and remove
tools, piston pin, connecting rod and piston.
Cleaning and Inspection
Connecting Rods
Wash connecting rods in cleaning solvent and dry with
compressed air.
Fig. 50—Removing Piston Pin (In-L in e and "S m a ll
E N G IN E 6 23
V 8 ")
OVERHAUL MANUAL