How do you replace a oil pump on a 87 Ford Laser KE?

To replace the oil pump on a 1987 Ford Laser KE, first, ensure the engine is cool and disconnect the battery. Drain the engine oil and remove the oil pan by unscrewing the bolts. Once the oil pan is off, locate the oil pump, unbolt it from the engine block, and remove it. Install the new oil pump in reverse order, ensuring to use a new gasket and refill the engine with oil before reconnecting the battery.