19-07-2014, 04:35 PM
I've always had blue in mine, and Niall is correct in saying that mixing the two has an acidic reaction (ask Renault about their clio inlet manifold failures) .
when ever I change coolant I always flush it first to get any residue out before putting fresh stuff in.
when ever I change coolant I always flush it first to get any residue out before putting fresh stuff in.