1992 Buick Century crank shaft sensor

To remove the sensor:

Disconnect the wiring harness.
Unbolt the sensor mounting bolt.
If the crankshaft timing sensor or the camshaft reference sensor is removed, follow this procedure when the sensor is replaced:

Thoroughly clean the sensor tip and install a new spacer on the sensor tip. New sensors should be supplied with the spacer installed.

Install the sensor until the spacer lightly touches the sensor ring, and tighten the sensor mounting bolt 105 in. Lb.