I'm using a product called PB Blaster Penetrating Catalyst which apparently does not contain any silicone. Do you think this is adequate to use? I'm really only spraying underneath where the linkage arms are located. I sprayed the spring area and also the lever area underneath. According to their website, this spray is designed to loosen the surface tension of frozen parts and protects against further rust.
Thanks again for your input.
Has using that product solved your problem with the arms freezing?