You will have to drop the oil pan to access
4.5 quarts with filter change.
How to change oil pressure sensor on 3.4 sfi
Why is 2002 pontiac grand am oil leak where the sparkplug is?
where are the oxygen sensors on a 2000 Pontiac grand am and how do you change them?
with an oil drain pan and a socket...make sure you have more oil to put back in...
Counter clockwise to loosen
4.3 quarts ,with new oil filter
http://www.gminsidenews.com/forums/f53/98-grand-prix-change-oil-light-stuck-59318/ For a 98 but same process.
The same as any other car. click the link I am posting.
V-6 motors use 5 qts with a filter
A 2005 Pontiac Grand Am takes 4.5 quarts of oil. As you add oil, have the vehicle parked on a flat surface.