How do you put a crankshaft sensor into a 1992 buick lesabre?

Do you need a special tool to put the sensor in after you get the old one out?How do you put a crankshaft sensor into a 1992 buick lesabre?The crankshaft sensor is located behind the harmonic balancer pulley, you will need to remove the pulley to replace the sensor. And yes, there is a special tool to remove and reinstall the pulley and it can be rented at most retail parts stores