62Blazer
Senior Member
I've never greased or put anything on the hitch shank that goes into the truck hitch. I do remove it when not being used. Had my last truck for 16 years with the same hitch setup and it had just light surface rust...and I live in the rust belt. Would just periodically clean it up a little and maybe spray some paint on it. I understand the concept of dirt and dust attaching to the grease and making it abrasive....but it really shouldn't be moving much. Maybe a little rattle or vibration, but like it's moving back and forth or rotating inside the hitch!