Re: Coolant flush issues?
What is above is 100% correct. Even with the block drains open, a couple gallons of water will remain in the system. Concentrate coolant must always be used when refilling after a flush.
2004 F-250 Lariat, 6.0, SCLB, 4wd, Magnaflow turbo-back, EGR delete, studded, 6.4 banjo, new oil cooler and HPOP as of 5-11-2014
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