oil pressure sending unit

Hi !
I have an '89 Grand Am 2.5L (U engine) <Tech4>
I understand the oil sending unit is at the back. What is the best
way to reach it?
Thanks !
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.