This is OT, but it concerns the garage where my Subaru OBW sleeps. Close enough?
I have an old garage door opener which uses a long screw. The thing had been caked up with a mixture of greases when I moved in 16 years ago. In the winter it tends to open very slowly, and spraying the screw with WD-40 kept it going for a few weeks. That gets old. Yesterday I pulled apart the screw assembly and removed all (most of) that old grease. WD-40 and gun cleaner work great!
What type of grease should I use on this screw so I don't have to mess with this thing for a couple years?
The thing the screw turns (has a name, don't know what it is) is made of white plastic or nylon. Here in my part of Michigan we get cold, but -20 is an all-time low. Typically, we don't see subzero very often. Any other criteria needed?
Thanks...
-John O