How do you change oil pump in a 93 Plymouth acclaim 2.5?

To change the oil pump in a 1993 Plymouth Acclaim with a 2.5L engine, first ensure the car is securely raised and supported. Drain the oil and remove the oil pan by unbolting it from the engine block. Next, detach the old oil pump from the engine, typically by removing a few bolts. Install the new oil pump, reattach the oil pan, and refill with fresh oil before starting the engine to check for leaks.