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Showing results for tags 'coolant flush'.
Found 2 results
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Have 13,587 miles on my 2015i GMC HD...December was three years old and is it too soon to change coolant/brake fluid? Good friend of mine is a service rep at a Chevrolet dealer and is leaving soon so want to get things done before he leaves. Sierra Boy -
I have a Silverado 2500 6L WT. I put some green antifreeze in the reservoir and found out that it is bad to mix the green antifreeze with dexcool and thus needed to flush my coolant. I then did a coolant flush with only dexcool to get the green antifreeze out of my truck. All I did was drain the dexcool from the radiator hose, refilled the reservoir with water, ran the water through the engine, and then drained the dexcool from the radiator hose again. All in all, I drained the dexcool from the radiator hose three times (three intervals of flushing water through the engine). I DID NOT remove the drain plug to remove the dexcool from the bottom of the engine block. Did I get all of the green antifreeze out without removing the drain plug or do I need to do another coolant flush?
