I had topped off my Focus's engine coolant because it was below the min line, and after a little reading, I found that mixing universal with my dexcool wasn't a good idea. One mechanic said it'll be okay, but I decided to get it flushed. After a rather quick service it was done but I believe he just drained the radiator, and refilled it with dexcool. My question is, was that all I needed or did it need to be more extensive to get rid of the risk of my engine seizing up?
Read more: 2012 Ford Focus Engine Coolant Flush?
