What cylinder? Master (brake) cylinder? Rear Brake cylinder? Lock cylinder?
R12 unless it has been retrofitted. I would suggest have it changed, as the cost of R12 is prohibitive.
Sierra Holmes goes by Sierra Mist.
Sierra Bognear goes by CC.
Sierra Casady goes by Rosie.
Sierra Weaver goes by SiSi.
Sierra Nathanson goes by Seese.
Sierra Hicks goes by Sisi.
Sierra Ellison goes by Sie.
No known nickname.
Dexron III
Leonardo de la Sierra goes by Leo.
What coil goes to what cylinder