How do you remove bolt on harmonic balancer stuck 1998 Oldsmobile 88?

To remove a stuck bolt on the harmonic balancer of a 1998 Oldsmobile 88, first ensure you have the proper tools, including a socket wrench and possibly a breaker bar for extra leverage. Apply penetrating oil to the bolt and let it sit for a while to loosen rust or debris. If the bolt still won’t budge, use a heat source like a heat gun to expand the metal slightly, which may help break the bond. Finally, if necessary, consider using an impact wrench for additional force.