GMC 1989 Light Duty Truck Repair Manual page 340

6A-6 GENERAL ENGINE MECHANICAL
Figure 5 — R em oving the Piston Rings
2. Connecting rod bearing inserts. If the inserts are to
be reused, place them in a rack so they can be
installed in their original connecting rod and cap.
3. Snap rings. Use snap ring pliers.
4. Piston pin. Slide the pin from the piston.
5. Piston from the connecting rod.
Figure 7 — Piston and C om po n ents — 6 .2 L