Changing oil pump 1995 Geo Prism?
You'll need to drop the oil pan to replace the oil pump. There
are only 2 or 3 bolts holding the oil pump once the pan is out of
the way. The oil pan is the difficult part. The pump is easy.
However... Oil pumps seldom fail. If you have low oil pressure it's
usually because of excessive rod and/or main bearing wear. Change
to a higher viscosity oil before you try to change the oil