S-Type (X200, X202, X204, X206) 1999 - 2008
Hello,
I want to flush and clean the entire cooling system on my 2007 2.7D S-Type.
After searching how to drain and top-up the system, I've found a procedure (here on this forum) that involves setting the heater on MAX and LOW for a couple of minutes each.
I know for sure that my DCCV valve...