Originally Posted by mdotoli
I think im making this harder then it is. I’m looking to replace/flush my coolant. Im just confused how much I add back with the distilled water. I went ahead and purchased 2 gallons of the MB brand. How much of it do I replace back in and how much water do I add?
If you want to be perfectly safe with it, pre-mix a 50/50 solution of coolant/distilled water.....and then, fill it up. I had an extra coolant jug from a previous job, so it was a no-brainer.