This might help

http://www.gomog.com/allmorgan/Greasing2002to2006.html

If there is no nipple I would have thought there should be the remote oiler tube.
If your car has the button on the firewall just behind the heater thwn someone has removed the remote oiler & maybe the nipples have fallen off

JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"