[Windflier]

Make sure not a lefthanded thread.

I thought of that, but put it out of my mind, as the repair instructions made no mention of it.

Others have suggested that I try tightening, then loosening. That should give me the answer, if they'll move.

[Secret Agent Man]

I thought about applying some heat as well, if whatever its in can take it. Expansion can help. Warm it, then hit it with your best lubricant. Wd40 is more of a degreaser.