How do you replace the power steering unit on a 1993 Pontiac Bonneville?

To replace the Power Steering unit on a 1993 Pontiac Bonneville, start by disconnecting the negative battery cable and draining the power steering fluid. Remove the serpentine belt and disconnect the hoses from the power steering pump. Unbolt the pump from its mounting bracket and replace it with the new unit, ensuring all connections are secure. Finally, refill the power steering fluid, bleed the system to remove any air, and reconnect the battery.