No. It´s easy.
Oil pump is in the oil pan. You can change it in the car. It is alittle difficult!
Oil pump change
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 pump.
how do you change the oil pump on a 1991 s10 pickup
Answering "How do you change oil pump on 1999 plymouthy neon?"
The oil pump is located inside the oil pan. You have to drop the oil pan to replace the oil pump.
Have to remove the oil pan to get to the pump.
To change an oil pump on a H2 you need to first drain the oil from the H2. Once the oil pan is empty, drop the pan in order to reach the oil pump. Remove the bolts and disconnect the hoses on the oil pump and replace with the new one.
the oil pump is in the oilpan but in order to change it you will have to to the timing as well
Fig. 19 Oil Pump Assembly
Drain the oil from the oil pan and remove it. Remove the oil pump retaining bolts. Reverse the process to install the new oil pump.
On a 3.8L 95 mustang the oil filter mounts to the oil pump.