I just aqired a 2000 Seville STS as a gift, I am inquiring about the type of oil, synthetic, and the viscosity and the filter number. what spark plugs, pvc valve if applicable. I would be thankful for any advice as I am new to the Cadillac family.THanks in advance for any help

Louis7808

 

welcome plain old 5w30 oil. there's no pcv. oil filter AC PF61. IDK plugs

 

Thank you "slowroll" you were very helpful,looking forward to chatting with you,probably alot, in the future. New to the Caddy scene, like what I see so far.

louis7808