You will have to drop the oil pan to access
Remove oil pan
pull the distributer out then usuing a tool and drill reach down in that hole and spin the drive shaft of the oil pump.,
6 with a filter change.
To change the oil pump on a 1972 Pontiac, first disconnect the battery and drain the engine oil. Remove the oil pan by taking out the bolts and gently prying it loose. Once the pan is off, unbolt the old oil pump from the engine block, replace it with the new pump, and ensure the pickup tube is properly aligned. Finally, reassemble the oil pan, refill with oil, and reconnect the battery.
6 Quarts with filter change
All car engines have an oil pump.
the oil pump is located inside the oil pan housing.
You will need to drain the oil from your 1997 Pontiac Grand Am oil pan. Remove the oil pan retaining bolts. Remove the oil pump retaining bolts. Reverse the process to install the new oil pump.
Oil pump change
An oil pump Or do you mean the type?
Most Pontiacs take close to 6 quarts with a filter change.